Matt's Kernel Panics

update, March 8, 2006: Still no panics since the RAM replacement. I think it's fixed.

update, January 17, 2006: I took the Powerbook in to have it serviced at the Apple Store at University Village in Seattle. They couldn't find anything wrong with it after having it for more than a week. A very surly worker there suggested replacing the RAM, which they did, and I haven't had a panic since. That's about 17 days panic free, so far; this is the longest free stretch since I started having panincs regularly, so I'm cautiously hopeful that this fixed the problem. I've even noticed fewer plain-old crashes (none!), so that gives me hope as well.


In September 2005, my Apple Powerbook G4 starting having fairly frequent kernel panics. As of November 2005, they're still happening, even after completely erasing the hard drive and reinstalling the OS. Yet, hardware tests have turned up nothing. I am posting my kernel panic logs here to make it easier for me to ask others to take a look and provide advice, and as a backup.

My current setup is Mac OS 10.4.3, 1 GHz PowerPC G4, 1 MB L3 cache, 512 MB SDRAM. No external devices connected.

The logs are listed oldest to newest, followed by kpdecode results for the most recent panics.

I only have the log entries for panics after the last erase and install.

If anyone has any idea what the cause of these panics is, or what a reasonable next step would be, I'd love to hear it. Please email me at doctormatt (a t) madandmoonly (d o t) com

Thu Nov  3 19:10:26 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000110 PC=0x0000000000081808
Latest crash info for cpu 0:
   Exception state (sv=0x2172B280)
      PC=0x00081808; MSR=0x00009030; DAR=0x00000110; DSISR=0x40000000; LR=0x000817DC; R1=0x0CCC3B00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0138A000 0x000821EC 0x00075D68 0x00075728 0x0006B26C 0x0006B540 
         0x00057750 0x000291BC 0x000233A8 0x000ABBAC 0xF3E6E6E6 
Proceeding back via exception chain:
   Exception state (sv=0x2172B280)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x219AC500)
      PC=0x9000A758; MSR=0x0200F030; DAR=0x07BE7000; DSISR=0x42000000; LR=0x9000A69C; R1=0xBFFFBA60; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095564 0x00095A7C 0x00026838 0x000A8184 0x000AB880 
Proceeding back via exception chain:
   Exception state (sv=0x2172B280)
      PC=0x00081808; MSR=0x00009030; DAR=0x00000110; DSISR=0x40000000; LR=0x000817DC; R1=0x0CCC3B00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0138A000 0x000821EC 0x00075D68 0x00075728 0x0006B26C 0x0006B540 
         0x00057750 0x000291BC 0x000233A8 0x000ABBAC 0xF3E6E6E6 
   Exception state (sv=0x219AC500)
      PC=0x9000A758; MSR=0x0200F030; DAR=0x07BE7000; DSISR=0x42000000; LR=0x9000A69C; R1=0xBFFFBA60; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

*********

Sat Nov  5 10:21:36 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000454 PC=0x0000000000081B08
Latest crash info for cpu 0:
   Exception state (sv=0x20BD5280)
      PC=0x00081B08; MSR=0x00009030; DAR=0x00000454; DSISR=0x40000000; LR=0x00081AFC; R1=0x0CC3BB70; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00098C4C 0x0005D404 0x0005E218 0x00062250 0x00062910 0x000A85DC 
         0x000AB880 
Proceeding back via exception chain:
   Exception state (sv=0x20BD5280)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x20C11280)
      PC=0xFFFF8A6C; MSR=0x0200F030; DAR=0x19E1E000; DSISR=0x42000000; LR=0x903C5624; R1=0xBFFFA250; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095564 0x00095A7C 0x00026838 0x000A8184 0x000AB880 
Proceeding back via exception chain:
   Exception state (sv=0x20BD5280)
      PC=0x00081B08; MSR=0x00009030; DAR=0x00000454; DSISR=0x40000000; LR=0x00081AFC; R1=0x0CC3BB70; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00098C4C 0x0005D404 0x0005E218 0x00062250 0x00062910 0x000A85DC 
         0x000AB880 
   Exception state (sv=0x20C11280)
      PC=0xFFFF8A6C; MSR=0x0200F030; DAR=0x19E1E000; DSISR=0x42000000; LR=0x903C5624; R1=0xBFFFA250; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

*********

Mon Nov  7 17:08:00 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000010 PC=0x00000000000817F8
Latest crash info for cpu 0:
   Exception state (sv=0x20AAC000)
      PC=0x000817F8; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x000817DC; R1=0x0CCD3010; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x01A8DC38 0x000821EC 0x0005AD08 0x0005B150 0x0005BBD0 0x0005AE10 
         0x00286BF4 0x002378DC 0x00238604 0x000FBD2C 0x000EFEE4 0x002A8174 0x000ABA30 0x30266C74 
Proceeding back via exception chain:
   Exception state (sv=0x20AAC000)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x2CE51000)
      PC=0x9002872C; MSR=0x0200D030; DAR=0x20DBE000; DSISR=0x42000000; LR=0x928B5958; R1=0xF0202860; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095564 0x00095A7C 0x00026838 0x000A8184 0x000AB880 
Proceeding back via exception chain:
   Exception state (sv=0x20AAC000)
      PC=0x000817F8; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x000817DC; R1=0x0CCD3010; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x01A8DC38 0x000821EC 0x0005AD08 0x0005B150 0x0005BBD0 0x0005AE10 
         0x00286BF4 0x002378DC 0x00238604 0x000FBD2C 0x000EFEE4 0x002A8174 0x000ABA30 0x30266C74 
   Exception state (sv=0x2CE51000)
      PC=0x9002872C; MSR=0x0200D030; DAR=0x20DBE000; DSISR=0x42000000; LR=0x928B5958; R1=0xF0202860; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.0.0: Sat Mar 26 14:15:22 PST 2005; root:xnu-792.obj~1/RELEASE_PPC

*********

Fri Nov 11 09:23:57 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000001014 PC=0x0000000000081A50
Latest crash info for cpu 0:
   Exception state (sv=0x20EEAC80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00001014; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC8B840; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0021EFFC 0x0005C868 0x000DFF10 0x000DDBD4 0x000DC7EC 0x00228B58 
         0x000FBD60 0x000F5338 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000 
Proceeding back via exception chain:
   Exception state (sv=0x20EEAC80)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x20F16C80)
      PC=0x9001452C; MSR=0x0000D030; DAR=0x21267000; DSISR=0x42000000; LR=0x943DAB34; R1=0xF0181CD0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20EEAC80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00001014; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC8B840; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0021EFFC 0x0005C868 0x000DFF10 0x000DDBD4 0x000DC7EC 0x00228B58 
         0x000FBD60 0x000F5338 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000 
   Exception state (sv=0x20F16C80)
      PC=0x9001452C; MSR=0x0000D030; DAR=0x21267000; DSISR=0x42000000; LR=0x943DAB34; R1=0xF0181CD0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********

Mon Nov 21 08:33:57 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000114 PC=0x0000000000081A50
Latest crash info for cpu 0:
   Exception state (sv=0x2CFF2280)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC9BD50; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x000A875C 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2CFF2280)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x20CCC000)
      PC=0xFFFF8AEC; MSR=0x0200F030; DAR=0x020FB000; DSISR=0x42000000; LR=0x903AFFA4; R1=0xBFFFECE0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2CFF2280)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC9BD50; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x000A875C 0x000ABC80 
   Exception state (sv=0x20CCC000)
      PC=0xFFFF8AEC; MSR=0x0200F030; DAR=0x020FB000; DSISR=0x42000000; LR=0x903AFFA4; R1=0xBFFFECE0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********

Mon Nov 21 20:21:32 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000010 PC=0x0000000000081838
Latest crash info for cpu 0:
   Exception state (sv=0x2D220C80)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CD2B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x000FC940 0x0008221C 0x00075D98 0x00075758 0x00076028 0x00288DD8 
         0x000E5D90 0x000E60AC 0x000E8508 0x000E808C 0x000E7FA0 0x000F0D64 0x002A9BF4 0x000ABE30 
         0x00000000 
Proceeding back via exception chain:
   Exception state (sv=0x2D220C80)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x1F616500)
      PC=0x90027ECC; MSR=0x0200D030; DAR=0x2115A000; DSISR=0x42000000; LR=0x92914CD0; R1=0xF007E9F0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2D220C80)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CD2B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x000FC940 0x0008221C 0x00075D98 0x00075758 0x00076028 0x00288DD8 
         0x000E5D90 0x000E60AC 0x000E8508 0x000E808C 0x000E7FA0 0x000F0D64 0x002A9BF4 0x000ABE30 
         0x00000000 
   Exception state (sv=0x1F616500)
      PC=0x90027ECC; MSR=0x0200D030; DAR=0x2115A000; DSISR=0x42000000; LR=0x92914CD0; R1=0xF007E9F0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********

Fri Nov 25 15:01:09 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000114 PC=0x0000000000081A50
Latest crash info for cpu 0:
   Exception state (sv=0x20F00C80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC0B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x0009BCDC 0x00271ACC 0x000E04C8 0x000DE8AC 
         0x000DDEF0 0x00228360 0x000FBC24 0x000F516C 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 
         0x00000000 
Proceeding back via exception chain:
   Exception state (sv=0x20F00C80)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x21107A00)
      PC=0x9001422C; MSR=0x0200F030; DAR=0xF0190DF0; DSISR=0x42000000; LR=0x928C0AF0; R1=0xF0191750; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20F00C80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC0B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x0009BCDC 0x00271ACC 0x000E04C8 0x000DE8AC 
         0x000DDEF0 0x00228360 0x000FBC24 0x000F516C 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 
         0x00000000 
   Exception state (sv=0x21107A00)
      PC=0x9001422C; MSR=0x0200F030; DAR=0xF0190DF0; DSISR=0x42000000; LR=0x928C0AF0; R1=0xF0191750; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********
Sat Nov 26 17:28:40 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000114 PC=0x0000000000081A50
Latest crash info for cpu 0:
   Exception state (sv=0x20F00C80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC0B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x0009BCDC 0x00271ACC 0x000E04C8 0x000DE8AC 
         0x000DDEF0 0x00228360 0x000FBC24 0x000F516C 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 
         0x00000000 
Proceeding back via exception chain:
   Exception state (sv=0x20F00C80)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x21107A00)
      PC=0x9001422C; MSR=0x0200F030; DAR=0xF0190DF0; DSISR=0x42000000; LR=0x928C0AF0; R1=0xF0191750; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20F00C80)
      PC=0x00081A50; MSR=0x00009030; DAR=0x00000114; DSISR=0x40000000; LR=0x00081A40; R1=0x0CC0B710; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00099118 0x000624C8 0x0009BCDC 0x00271ACC 0x000E04C8 0x000DE8AC 
         0x000DDEF0 0x00228360 0x000FBC24 0x000F516C 0x0027CD4C 0x0027C9B8 0x002A9BF4 0x000ABE30 
         0x00000000 
   Exception state (sv=0x21107A00)
      PC=0x9001422C; MSR=0x0200F030; DAR=0xF0190DF0; DSISR=0x42000000; LR=0x928C0AF0; R1=0xF0191750; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********

Fri Dec  2 20:27:39 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000010 PC=0x0000000000081838
Latest crash info for cpu 0:
   Exception state (sv=0x2D2D8000)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CC93B00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x01A47000 0x0008221C 0x00075D98 0x00075758 0x0006B29C 0x0006B570 
         0x00057760 0x000291C0 0x000233AC 0x000ABFAC 0x00000000 
Proceeding back via exception chain:
   Exception state (sv=0x2D2D8000)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x2CACB780)
      PC=0x9000B208; MSR=0x0200F030; DAR=0x0071200F; DSISR=0x40000000; LR=0x9000B15C; R1=0xBFFFDFA0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2D2D8000)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CC93B00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x01A47000 0x0008221C 0x00075D98 0x00075758 0x0006B29C 0x0006B570 
         0x00057760 0x000291C0 0x000233AC 0x000ABFAC 0x00000000 
   Exception state (sv=0x2CACB780)
      PC=0x9000B208; MSR=0x0200F030; DAR=0x0071200F; DSISR=0x40000000; LR=0x9000B15C; R1=0xBFFFDFA0; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC

*********

Sun Dec  4 13:30:35 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000014 PC=0x0000000000062EA8
Latest crash info for cpu 0:
   Exception state (sv=0x2D84F780)
      PC=0x00062EA8; MSR=0x00009030; DAR=0x00000014; DSISR=0x40000000; LR=0x00062D8C; R1=0x0CC4BDB0; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00062D8C 0x000A875C 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2D84F780)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x20E0EC80)
      PC=0xFFFF8800; MSR=0x0000F030; DAR=0x002C8000; DSISR=0x42000000; LR=0x90429560; R1=0xBFFEEAC0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x2D84F780)
      PC=0x00062EA8; MSR=0x00009030; DAR=0x00000014; DSISR=0x40000000; LR=0x00062D8C; R1=0x0CC4BDB0; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00062D8C 0x000A875C 0x000ABC80 
   Exception state (sv=0x20E0EC80)
      PC=0xFFFF8800; MSR=0x0000F030; DAR=0x002C8000; DSISR=0x42000000; LR=0x90429560; R1=0xBFFEEAC0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
*********

Mon Dec 12 20:58:52 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000020 PC=0x00000000000792AC
Latest crash info for cpu 0:
   Exception state (sv=0x20F02280)
      PC=0x000792AC; MSR=0x00009030; DAR=0x00000020; DSISR=0x40000000; LR=0x00079264; R1=0x0CC4BCF0; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0001BF84 0x00073D1C 0x00059B0C 0x000291C0 0x000233AC 0x000ABFAC 
         0xFF878787 
Proceeding back via exception chain:
   Exception state (sv=0x20F02280)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x2D1C2A00)
      PC=0x9000B208; MSR=0x0000F030; DAR=0xE024C000; DSISR=0x42000000; LR=0x9000B15C; R1=0xBFFEE940; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20F02280)
      PC=0x000792AC; MSR=0x00009030; DAR=0x00000020; DSISR=0x40000000; LR=0x00079264; R1=0x0CC4BCF0; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x0001BF84 0x00073D1C 0x00059B0C 0x000291C0 0x000233AC 0x000ABFAC 
         0xFF878787 
   Exception state (sv=0x2D1C2A00)
      PC=0x9000B208; MSR=0x0000F030; DAR=0xE024C000; DSISR=0x42000000; LR=0x9000B15C; R1=0xBFFEE940; XCP=0x00000030 (0xC00 - System call)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC

*********

Tue Dec 13 18:58:40 2005


Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000010 PC=0x0000000000081838
Latest crash info for cpu 0:
   Exception state (sv=0x20EC2C80)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CCBBC00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00000000 0x00081BD8 0x0007794C 0x00077E04 0x00062BB8 0x000A875C 
         0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20EC2C80)
      previously dumped as "Latest" state. skipping...
   Exception state (sv=0x20ECFC80)
      PC=0xFFFF8270; MSR=0x0200D030; DAR=0xA0005B84; DSISR=0x0A000000; LR=0x90001834; R1=0xF087FFA0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
      Backtrace:
         0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80 
Proceeding back via exception chain:
   Exception state (sv=0x20EC2C80)
      PC=0x00081838; MSR=0x00009030; DAR=0x00000010; DSISR=0x40000000; LR=0x0008180C; R1=0x0CCBBC00; XCP=0x0000000C (0x300 - Data access)
      Backtrace:
0x00000000 0x00081BD8 0x0007794C 0x00077E04 0x00062BB8 0x000A875C 
         0x000ABC80 
   Exception state (sv=0x20ECFC80)
      PC=0xFFFF8270; MSR=0x0200D030; DAR=0xA0005B84; DSISR=0x0A000000; LR=0x90001834; R1=0xF087FFA0; XCP=0x0000000C (0x300 - Data access)

Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct  3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC

*********




Here are the kpdecode "decoded" versions of the latest panics:

Fri Nov 11 09:23:57 2005:
        Backtrace 1:
                0x0021effc: _CompareExtendedCatalogKeys
                0x0005c868: _memory_object_page_op
                0x000dff10: _cluster_push
                0x000ddbd4: _cluster_write
                0x000dc7ec: _cluster_write
                0x00228b58: _hfs_vnop_write
                0x000fbd60: _VNOP_WRITE
                0x000f5338: _vn_rdwr_64
                0x0027d238: _pwrite
                0x0027cf74: _write
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x0021effc: _CompareExtendedCatalogKeys
                0x0005c868: _memory_object_page_op
                0x000dff10: _cluster_push
                0x000ddbd4: _cluster_write
                0x000dc7ec: _cluster_write
                0x00228b58: _hfs_vnop_write
                0x000fbd60: _VNOP_WRITE
                0x000f5338: _vn_rdwr_64
                0x0027d238: _pwrite
                0x0027cf74: _write
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
Mon Nov 21 08:33:57 2005:
        Backtrace 1:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
Mon Nov 21 20:21:32 2005:
        Backtrace 1:
                0x000fc940: _VNOP_RENAME
                0x0008221c: _vm_page_free
                0x00075d98: _vm_object_hash_entry_free
                0x00075758: _vm_object_hash_entry_free
                0x00076028: _vm_object_destroy
                0x00288dd8: _ubc_msync
                0x000e5d90: _vflush
                0x000e60ac: _vnode_recycle
                0x000e8508: _vnode_reclaim
                0x000e808c: _vnode_put_locked
                0x000e7fa0: _vnode_put
                0x000f0d64: _rename
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x000fc940: _VNOP_RENAME
                0x0008221c: _vm_page_free
                0x00075d98: _vm_object_hash_entry_free
                0x00075758: _vm_object_hash_entry_free
                0x00076028: _vm_object_destroy
                0x00288dd8: _ubc_msync
                0x000e5d90: _vflush
                0x000e60ac: _vnode_recycle
                0x000e8508: _vnode_reclaim
                0x000e808c: _vnode_put_locked
                0x000e7fa0: _vnode_put
                0x000f0d64: _rename
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
Fri Nov 25 15:01:09 2005:
        Backtrace 1:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x0009bcdc: _hw_copypv_32
                0x00271acc: _uiomove64
                0x000e04c8: _cluster_copy_upl_data
                0x000de8ac: _cluster_read
                0x000ddef0: _cluster_read
                0x00228360: _hfs_vnop_read
                0x000fbc24: _VNOP_READ
                0x000f516c: _vn_rdwr_64
                0x0027cd4c: _preparefileread
                0x0027c9b8: _read
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x0009bcdc: _hw_copypv_32
                0x00271acc: _uiomove64
                0x000e04c8: _cluster_copy_upl_data
                0x000de8ac: _cluster_read
                0x000ddef0: _cluster_read
                0x00228360: _hfs_vnop_read
                0x000fbc24: _VNOP_READ
                0x000f516c: _vn_rdwr_64
                0x0027cd4c: _preparefileread
                0x0027c9b8: _read
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler

Sat Nov 26 17:28:40 2005:
        Backtrace 1:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x0009bcdc: _hw_copypv_32
                0x00271acc: _uiomove64
                0x000e04c8: _cluster_copy_upl_data
                0x000de8ac: _cluster_read
                0x000ddef0: _cluster_read
                0x00228360: _hfs_vnop_read
                0x000fbc24: _VNOP_READ
                0x000f516c: _vn_rdwr_64
                0x0027cd4c: _preparefileread
                0x0027c9b8: _read
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x00099118: _pmap_enter
                0x000624c8: _vm_fault
                0x0009bcdc: _hw_copypv_32
                0x00271acc: _uiomove64
                0x000e04c8: _cluster_copy_upl_data
                0x000de8ac: _cluster_read
                0x000ddef0: _cluster_read
                0x00228360: _hfs_vnop_read
                0x000fbc24: _VNOP_READ
                0x000f516c: _vn_rdwr_64
                0x0027cd4c: _preparefileread
                0x0027c9b8: _read
                0x002a9bf4: _unix_syscall
                0x000abe30: _shandler

Fri Dec  2 20:27:39 2005:
        Backtrace 1:
                0x01a47000: _log_level
                0x0008221c: _vm_page_free
                0x00075d98: _vm_object_hash_entry_free
                0x00075758: _vm_object_hash_entry_free
                0x0006b29c: _vm_map_submap_pmap_clean
                0x0006b570: _vm_map_remove
                0x00057760: _vm_map_server_routine
                0x000291c0: _ipc_kobject_server
                0x000233ac: _mach_msg_overwrite_trap
                0x000abfac: _ppcscret
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x01a47000: _log_level
                0x0008221c: _vm_page_free
                0x00075d98: _vm_object_hash_entry_free
                0x00075758: _vm_object_hash_entry_free
                0x0006b29c: _vm_map_submap_pmap_clean
                0x0006b570: _vm_map_remove
                0x00057760: _vm_map_server_routine
                0x000291c0: _ipc_kobject_server
                0x000233ac: _mach_msg_overwrite_trap
                0x000abfac: _ppcscret
                
Sun Dec  4 13:30:35 2005:
        Backtrace 1:
                0x00062d8c: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x00062d8c: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
                
Mon Dec 12 20:58:52 2005:
        Backtrace 1:
                0x0001bf84: _ipc_kmsg_copyout_header
                0x00073d1c: _vm_map_purgable_control
                0x00059b0c: _vm_map_server_routine
                0x000291c0: _ipc_kobject_server
                0x000233ac: _mach_msg_overwrite_trap
                0x000abfac: _ppcscret
                0xff878787: iNullCall
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x0001bf84: _ipc_kmsg_copyout_header
                0x00073d1c: _vm_map_purgable_control
                0x00059b0c: _vm_map_server_routine
                0x000291c0: _ipc_kobject_server
                0x000233ac: _mach_msg_overwrite_trap
                0x000abfac: _ppcscret
                0xff878787: iNullCall
                
Tue Dec 13 18:58:40 2005:
        Backtrace 1:
                0x00081bd8: _vm_page_rename
                0x0007794c: _vm_object_pager_create
                0x00077e04: _vm_object_pager_create
                0x00062bb8: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
        Backtrace 2:
                0x00095698: _print_backtrace
                0x00095bb0: _Debugger
                0x0002683c: _panic
                0x000a8304: _trap
                0x000abc80: _thandler
        Backtrace 3:
                0x00081bd8: _vm_page_rename
                0x0007794c: _vm_object_pager_create
                0x00077e04: _vm_object_pager_create
                0x00062bb8: _vm_fault
                0x000a875c: _trap
                0x000abc80: _thandler
                

If anyone has any idea what the cause of these panics is, or what a reasonable next step would be, I'd love to hear it. Please email me at jumbo (a t) madandmoonly (d o t) com.

Doctor Matt