My understanding is that the locks (and pieces of kernel code) involved are
different.
Maybe someone more knowledgeable than I am can comment.
Thanks for the suggestion...
Olivier
On Tue, Jan 15, 2013 at 4:07 PM, Reed A. Cartwright wrote:
> I don't know if this is relevant or not, but I deadlock
I don't know if this is relevant or not, but I deadlock was recently
fixed in the VFS code:
http://svnweb.freebsd.org/base?view=revision&revision=244795
On Tue, Jan 15, 2013 at 12:55 PM, olivier wrote:
> Dear All,
> Still experiencing the same hangs I reported earlier with 9.1. I've been
> runni
Dear All,
Still experiencing the same hangs I reported earlier with 9.1. I've been
running a kernel with WITNESS enabled to provide more information.
During an occurrence of the hang, running show alllocks gave
Process 25777 (sysctl) thread 0xfe014c5b2920 (102567)
exclusive sleep mutex Giant
Dear All
It turns out that reverting to an older version of the mps driver did not
fix the ZFS hangs I've been struggling with in 9.1 and 9-STABLE after all
(they just took a bit longer to occur again, possibly just by chance). I
followed steps along lines suggested by Andriy to collect more inform
I have also down graded to the MPS driver from 9.0. We've been
running the server pretty heavily since then and no lockups have
occurred since. It has been about a week.
On Thu, Dec 13, 2012 at 11:14 PM, olivier wrote:
> For what it's worth, I think I might have solved my problem by reverting t
On 13.12.2012 18:54, Andriy Gapon wrote:
> on 13/12/2012 19:46 olivier said the following:
>> Thanks. I'll be sure to follow your suggestions next time this happens.
>>
>> I have a naive question/suggestion though. I see from browsing past
>> discussions on
>> ZFS problems that it has been suggest
This doesn't quite make sense. In your original email, you said that
you're using a mpt-based Fibre Channel card and have a ZFS filesystem on
top of that.
If that's the case, why would going back to an older version of the mps(4)
driver change things at all? It has no support for that hardware.
I need to do this as well. Can you give me a quick primer on the
commands you used to revert to the earlier driver?
On Thu, Dec 13, 2012 at 11:14 PM, olivier wrote:
> For what it's worth, I think I might have solved my problem by reverting to
> an older version of the mps driver. I checked out a
For what it's worth, I think I might have solved my problem by reverting to
an older version of the mps driver. I checked out a recent version of
9-STABLE and reversed the changes in
http://svnweb.freebsd.org/base?view=revision&revision=230592 (perhaps there
was a simpler way of reverting to the ol
On Thu, Dec 13, 2012 at 9:54 AM, Andriy Gapon wrote:
> Google for "zfs deadman". This is already committed upstream and I think
> that it
> is imported into FreeBSD, but I am not sure... Maybe it's imported just
> into the
> vendor area and is not merged yet.
>
Yes, that's exactly what I had i
on 13/12/2012 19:46 olivier said the following:
> Thanks. I'll be sure to follow your suggestions next time this happens.
>
> I have a naive question/suggestion though. I see from browsing past
> discussions on
> ZFS problems that it has been suggested a number of times that problems that
> appea
Thanks. I'll be sure to follow your suggestions next time this happens.
I have a naive question/suggestion though. I see from browsing past
discussions on ZFS problems that it has been suggested a number of times
that problems that appear to originate in ZFS in fact come from lower
layers; in part
I decided to share here the comment that I made in private, so that more people
could potentially benefit from it.
on 03/12/2012 20:41 olivier olivier said the following:
> Hi all
> After upgrading from 9.0-RELEASE to 9.1-PRERELEASE #0 r243679 I'm having
> severe problems with NFS sharing of a ZF
I'm having similar issues after upgrading to 9.1-RC2 and RC3. I'm not
using either NFS or a ZIL.
On Tue, Dec 4, 2012 at 7:26 AM, Rick Macklem wrote:
> Olivier wrote:
>> Hi all
>> After upgrading from 9.0-RELEASE to 9.1-PRERELEASE #0 r243679 I'm
>> having
>> severe problems with NFS sharing of a
Olivier wrote:
> Hi all
> After upgrading from 9.0-RELEASE to 9.1-PRERELEASE #0 r243679 I'm
> having
> severe problems with NFS sharing of a ZFS volume. nfsd appears to hang
> at
> random times (between once every couple hours to once every two days)
> while
> accessing a ZFS volume, and the only w
Hi all
After upgrading from 9.0-RELEASE to 9.1-PRERELEASE #0 r243679 I'm having
severe problems with NFS sharing of a ZFS volume. nfsd appears to hang at
random times (between once every couple hours to once every two days) while
accessing a ZFS volume, and the only way I have found of resolving th
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