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2016-12-09 Thread FIERGS | FATEC - Faculdade SENAI de Tecnologia

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Re: webcamd panic - is it just me?

2016-12-09 Thread Eugene M. Zheganin
Hi.

On 06.12.2016 18:43, Anton Shterenlikht wrote:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215000
>
> I think this started after moving from 10.3 to 11.0.
>
> Does nobody else see this panic?
>
>
Saw webcamd-initiated panic once, on an 11.x too; don't remember the
details, so I cannot tell whether mine was identical or not.
Furthermore, after my camera has lost the ability to show 640x480 mode
under FreeBSD somewhere between 8.x i386 and 8.x amd64, I don't use it
often - just a couple tryouts per year, just to see this wasn't
accidentally fixed.

Eugene.
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Re: vfs.zfs.vdev.bio_delete_disable - crash while changing on the fly

2016-12-09 Thread Steven Hartland
Obviously this shouldn't happen but would need a stack trace to identify 
the cause.


If you want to disable TRIM on ZFS you should really use:
vfs.zfs.trim.enabled=0

On 09/12/2016 13:13, Eugene M. Zheganin wrote:

Hi.

Recently I've encountered the issue with "slow TRIM" and Sandisk SSDs,
so I was told  to try to disable TRIM and see what happens (thanks a lot
by the way, that did it). But changing the
vfs.zfs.vdev.bio_delete_disable on the fly can lead to the system crash
with the probability of 50%. Is it just me or is this already known ? If
it's known, why isn't this oid in a read-only list ?

Thanks.

P.S. My box tried to dump a core, but after a reboot savecore got
nothing, so you just have to believe me. ;)

Eugene.
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vfs.zfs.vdev.bio_delete_disable - crash while changing on the fly

2016-12-09 Thread Eugene M. Zheganin
Hi.

Recently I've encountered the issue with "slow TRIM" and Sandisk SSDs,
so I was told  to try to disable TRIM and see what happens (thanks a lot
by the way, that did it). But changing the
vfs.zfs.vdev.bio_delete_disable on the fly can lead to the system crash
with the probability of 50%. Is it just me or is this already known ? If
it's known, why isn't this oid in a read-only list ?

Thanks.

P.S. My box tried to dump a core, but after a reboot savecore got
nothing, so you just have to believe me. ;)

Eugene.
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