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Old 01-12-2008, 06:03 AM
Alexander Skwar
 
Posts: n/a
Default Re: Analyzing "panic"

· James Carlson <james.d.carlson@sun.com>:

> Alexander Skwar <alexander@skwar.name> writes:
>> >> 000002a100b4f0a1 fop_inactive+0x54(300407b9700, 60000c03d98, 1205800,
>> >> 657700646204ed, 180c000, 60014875980)
>> >> 000002a100b4f151 dounmount+0xbc(60009ca95c0, 0, 0, 2, 300407b9700, 1)
>> >> 000002a100b4f201 umount2+0x140(26df8, 0, ffbfff38, 11aac, 0, 0)
>> >> 000002a100b4f2e1 syscall_trap32+0xcc(26df8, 0, ffbfff38, 11aac, ff36e308,

> [...]
>> struct vfs *v_vfsp = 0x60014875980

>
> Try doing a "0x60014875980::whatis" in mdb. If it says that this
> buffer was freed, then I think you've hit CR 6564619.


adm@winds02 /pool/savecore $ echo '0x60014875980::whatis' | sudo mdb -k 0
60014875980 is 60014875980+0, freed from kmem_alloc_192

I suppose during an init 6, a forced unmount is being done, right?

Alexander Skwar
--
panic("esp: what could it be... I wonder...");
linux-2.2.16/drivers/scsi/esp.c

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