We've got an ExpanDrive user who is seeing a consistent kernel panic
running OS X 10.4.11 on a G5
He cannot consistently replicate the issue, but sees it frequently
[multiple times per day] only when using ExpanDrive. He's produced the
crash using both MacFUSE 1.7 as well as the 1.9 developer preview. The
logs below are with the latest 1.9.
While whatever is going wrong is quite likely caused by how ExpanDrive
is accessing MacFUSE, I assume you're desirous of a kext that never
panics. We're at a bit of a loss as to how to help this user out and
gain further information, but he seems willing to help.
I'm attaching the panic logs he's sent recently. Can anyone suggest
methods for us to pass to him so we can extract more information from
the panic?
Apart from a MacFUSE issue, I would guess there is a possibility of
bad RAM - but he seems to have issues with nothing else.
Thanks
-Jeff
Wed Nov 19 12:10:47 2008
panic(cpu 1 caller 0x000E5AEC): vnode_rele_ext: vp 5664084 usecount -
ve : -1
Latest stack backtrace for cpu 1:
Backtrace:
0x00000000
Proceeding back via exception chain:
Exception state (sv=0x5D22D500)
PC=0x90088B0C; MSR=0x0000D030; DAR=0x02D62000; DSISR=0x42000000;
LR=0x0004E168; R1=0xBFFFE7A0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007;
root:xnu-792.24.17~1/RELEASE_PPC
*********
Wed Nov 19 12:55:07 2008
panic(cpu 0 caller 0x000E5AEC): vnode_rele_ext: vp 62a1c60 usecount -
ve : -1
Latest stack backtrace for cpu 0:
Backtrace:
0x000954F8 0x00095A10 0x00026898 0x000E5AEC 0x000F81FC
0x000F72CC
0x000F64DC 0x000F2FEC
0x002ABDB8 0x000ABD30 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x5D103000)
PC=0x90088B0C; MSR=0x0000D030; DAR=0x16330000; DSISR=0x42000000;
LR=0x0004E168; R1=0xBFFFE7A0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007;
root:xnu-792.24.17~1/RELEASE_PPC
*********
Wed Nov 19 13:10:40 2008
panic(cpu 1 caller 0x000E5AEC): vnode_rele_ext: vp 55d8210 usecount -
ve : -1
Latest stack backtrace for cpu 1:
Backtrace:
0x000954F8 0x00095A10 0x00026898 0x000E5AEC 0x000F81FC
0x000F72CC
0x000F64DC 0x000F2FEC
0x002ABDB8 0x000ABD30 0x64617461
Proceeding back via exception chain:
Exception state (sv=0x73CB4500)
PC=0x90088B0C; MSR=0x0000D030; DAR=0x1699B000; DSISR=0x42000000;
LR=0x0004E168; R1=0xBFFFE7A0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.11.0: Wed Oct 10 18:26:00 PDT 2007;
root:xnu-792.24.17~1/RELEASE_PPC
*********
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