John May wrote:
I've got an xserve running 10.3.9 and MySQL 4.0.27-max that is
restarting itself every 2-3 days. It appears that it is due to a kernel
panic, though I don't have direct access to the machine (colocated) to
verify when it occurs.
There are no crash.logs from MySQL, and watchdog and system.logs show
nothing. I have culled the following panic.log - can anyone tell if
MySQL is the cause of such?
Has anyone seen MySQL 4 crash on an Xserve (G4 specifically)? I have
tried two totally different servers, and the problems continue.
- John
*********
Mon Jun 12 06:53:02 2006
Unresolved kernel trap(cpu 0): 0x300 - Data access
DAR=0x00000000FF864A5C PC=0x0000000000056218
Latest crash info for cpu 0:
Exception state (sv=0x3E6ABC80)
PC=0x00056218; MSR=0x00009030; DAR=0xFF864A5C; DSISR=0x40000000;
LR=0x00053AB4; R1=0x1C17BC70; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x00000000 0x00055DC8 0x0002F750 0x00033710 0x00032028 0x00031FE4
Proceeding back via exception chain:
Exception state (sv=0x3E6ABC80)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x0091F280)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000;
LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 7.9.0:
Wed Mar 30 20:11:17 PST 2005; root:xnu/xnu-517.12.7.obj~1/RELEASE_PPC
panic(cpu 0): copyin/out has no recovery point
Latest stack backtrace for cpu 0:
Backtrace:
0x00083498 0x0008397C 0x0001EDA4 0x00090C38 0x0009402C
Proceeding back via exception chain:
Exception state (sv=0x3E6ABC80)
PC=0x00056218; MSR=0x00009030; DAR=0xFF864A5C; DSISR=0x40000000;
LR=0x00053AB4; R1=0x1C17BC70; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x00000000 0x00055DC8 0x0002F750 0x00033710 0x00032028 0x00031FE4
Exception state (sv=0x0091F280)
PC=0x00000000; MSR=0x0000D030; DAR=0x00000000; DSISR=0x00000000;
LR=0x00000000; R1=0x00000000; XCP=0x00000000 (Unknown)
Kernel version:
Darwin Kernel Version 7.9.0:
Wed Mar 30 20:11:17 PST 2005; root:xnu/xnu-517.12.7.obj~1/RELEASE_PPC
How could a user space program like mysqld possibly cause a kernel panic?
Sounds like bad kernel or bad hardware.
--
Gerald L. Clark
Supplier Systems Corporation
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