6.1 prerelease graid3 livelock?

[Bradley W. Dutton]

It looks like the second patch fixed the problem. The box has been up for
just over a day and a half without any problems.

Thanks,
Brad


> Well I don't know what was going on earlier but I reverted to good kernel,
> synced my raid arrays (no longer degraded from the panics), then booted a
> kernel with the second patch applied, this time no problems so far. I'll
> let you know how things go after the box is running for a while.
>
> Thanks,
> Brad
>
>
>> Ok, I had already installed and booted the first patch. I then rebuilt
>> the
>> kernel with the second patch. Trying to reboot from the first patch to
>> the
>> second resulted in a crash/panic on shutdown. I didn't capture the
>> output
>> from this. Once I booted the second patch the machine panics in the boot
>> process, in short:
>> /dev/raid3t/moviesf: clean,o 190615 free (19p11 frags, 23588 oblocks,
>> 0.8%
>> fralogy locked @ /usr/src/sys/geom/raid3/g_raid3.c:773.
>> KDB: enter: panic
>> [thread pid 35 tid 100030 ]
>> Stopped at      kdb_enter+0x30: leave
>>
>> The text copied from the serial console was a little garbled, it did say
>> something like:
>> sx lock, geom topology locked...
>>
>> I did an "alltrace" at that point which I'll send seperately.
>>
>> Thanks,
>> Brad
>>
>>
>>> On Thu, Apr 27, 2006 at 08:55:35AM +0200, Pawel Jakub Dawidek wrote:
>>> +> On Sun, Apr 23, 2006 at 12:04:33PM -0700, Bradley W. Dutton wrote:
>>> +> +> Hi,
>>> +> +>
>>> +> +> I'm experiencing a sort of livelock on a 6.1 prerelease box. It
>>> appears
>>> +> +> all  of the IO related activity hangs but the box continues to do
>>> +> +> routing/NAT/etc  for internet access from my other boxes. I can
>>> usually
>>> +> +> get the lockup to occur within about 12 hours of booting.
>>> +>
>>> +> Ok, I think I found it. Could you try this patch:
>>> +>
>>> +> 	http://people.freebsd.org/~pjd/patches/g_raid3.c.4.patch
>>>
>>> markus@ reported the livelock is still there, so please try this patch
>>> instead:
>>>
>>> 	http://people.freebsd.org/~pjd/patches/g_raid3.c.5.patch
>>
>>
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