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Ken Smith wrote:
> On Tue, 2007-10-23 at 11:35 +0200, Arjan van Leeuwen wrote:
>> 2007/10/19, Tim Bishop :
>>> On Thu, Oct 18, 2007 at 06:40:04PM +0200, Arjan van Leeuwen wrote:
>>>>> are softupdates on ?
>>>>>
>>>>> Yes. Turning them off seems to fix the problem (fingers crossed - I
>>> only
>>>>> turned it off this morning, didn't have a panic yet)
>>>> After working for a whole day without softupdates, I can say that
>>> turning
>>>> them off at least causes less panics to happen than with them turned on,
>>>> maybe they even don't happen at all without softupdates; I haven't had a
>>>> panic all day, while I have one every few hours with softupdates turned
>>> on.
>>>
>>> I've been running for the best part of a day now with softupdates turned
>>> off and so far no panics. I'm running tinderbox on the host, and it
>>> would quite reliably crash it before.
>>>
>>> Of course it's hard to say if this has fixed the problem... maybe it
>>> doesn't happen as often, or maybe my data is being slowly chewed up
>>> instead ;-)

>> It looks like on the same system, I'm able to reliably panic zfs as well,
>> under the exact same conditions (i.e. linking a particularly big piece of
>> software). Maybe this is not a problem in the filesystem at all. I've not
>> been able to get a coredump yet from the zfs panic.
>> This is in 7.0-PRERELEASE, btw (I switched to RELENG_7 when the branching
>> happened).

>
> Is anyone who had been able to trigger this panic still having problems
> with recent kernels (and soft updates turned on)? I've checked with a
> few people who had been experiencing the panic and they can no longer
> trigger it.
>
> It's at least a tiny bit possible some of the VM fixes that have gone in
> addressed this problem. We'd like to find out if anyone can still
> trigger this.


I have been running unpatched for a while now with multiple GNOME 2.20
TB builds running, and I have not seen this panic. It's probably been
three weeks now.

Joe

- --
Joe Marcus Clarke
FreeBSD GNOME Team :: gnome@FreeBSD.org
FreeNode / #freebsd-gnome
http://www.FreeBSD.org/gnome
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