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Date:      Tue, 21 Nov 2017 19:30:46 +0000
From:      Shiva Bhanujan <Shiva.Bhanujan@Quorum.com>
To:        "cem@freebsd.org" <cem@freebsd.org>
Cc:        Andriy Gapon <avg@freebsd.org>, "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>, Shiva Bhanujan <Shiva.Bhanujan@Quorum.com>
Subject:   RE: zio_done panic in 10.3
Message-ID:  <3A5A10BE32AC9E45B4A22F89FC90EC0701C367D636@QLEXC01.Quorum.local>
In-Reply-To: <CAG6CVpVT=4iid4xi0yw3AJe4kbBNEGj6zVCKfozq_-8CgGYfag@mail.gmail.com>
References:  <3A5A10BE32AC9E45B4A22F89FC90EC0701C367D3D1@QLEXC01.Quorum.local> <5021a016-9193-b626-78cf-54ffa3929e22@FreeBSD.org> <3A5A10BE32AC9E45B4A22F89FC90EC0701C367D562@QLEXC01.Quorum.local>, <CAG6CVpVT=4iid4xi0yw3AJe4kbBNEGj6zVCKfozq_-8CgGYfag@mail.gmail.com>

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it did get compressed to 0.5G - still too big to send via email.  I did =
send some more debug information by running kgdb on the core file to =
Andriy, and I'm waiting for any analysis that he might provide.





From: Conrad Meyer =5Bcem=40freebsd.org=5D

Sent: Tuesday, November 21, 2017 9:04 AM

To: Shiva Bhanujan

Cc: Andriy Gapon; freebsd-fs=40freebsd.org

Subject: Re: zio_done panic in 10.3







Have you tried compressing it with e.g. xz or zstd?



On Tue, Nov 21, 2017 at 5:19 AM, Shiva Bhanujan

<Shiva.Bhanujan=40quorum.com> wrote:

> the vmcore file is =7E4G. can you please tell me how to deliver this to =
you?

>

>

>

> From: Andriy Gapon =5Bavg=40FreeBSD.org=5D

> Sent: Tuesday, November 21, 2017 1:49 AM

> To: Shiva Bhanujan;=20
freebsd-fs=40freebsd.org

> Subject: Re: zio_done panic in 10.3

>

>

> On 20/11/2017 22:34, Shiva Bhanujan wrote:

>> Hello,

>>

>> I'm getting a kernel panic in FreeBSD 10.3 p22 (r324806M).

>>

>> KDB: stack backtrace:

>> =230 0xffffffff80982fe0 at kdb_backtrace+0x60

>> =231 0xffffffff80945cb6 at vpanic+0x126

>> =232 0xffffffff80945b83 at panic+0x43

>> =233 0xffffffff80d4ac6b at trap_fatal+0x36b

>> =234 0xffffffff80d4af6d at trap_pfault+0x2ed

>> =235 0xffffffff80d4a5ea at trap+0x47a

>> =236 0xffffffff80d305b2 at calltrap+0x8

>> =237 0xffffffff8094db5d at _sx_xlock+0x5d

>> =238 0xffffffff81a4ccec at zio_done+0x92c

>> =239 0xffffffff81a486ea at zio_execute+0x10a

>> =2310 0xffffffff80993e15 at taskqueue_run_locked+0xe5

>> =2311 0xffffffff809948a8 at taskqueue_thread_loop+0xa8

>> =2312 0xffffffff8090f13a at fork_exit+0x9a

>> =2313 0xffffffff80d30aee at fork_trampoline+0xe

>>

>> We are doing send/receive of zfs snapshots by piping it through mbuffer =
and netcat. I can't seem to relate send/receive to the above backtrace.

>>

>> The closest bug that I've found w/ a panic close to the above is as =
follows:

>>

>>=20
https://bugs.freebsd.org/bugzilla/show_bug.cgi?format=3Dmultiple&id=3D181966

>>

>> I haven't been able to find any commits against this backtrace. Can =
anybody please point me to anything that might have addressed this issue? =
please let me know if there is any additional information that you might =
need.

>

> Do you have a crash dump (vmcore) ?

> If not, could you please get one?

>

> --

> Andriy Gapon

>

>

> _______________________________________________

>=20
freebsd-fs=40freebsd.org mailing list

>=20
https://lists.freebsd.org/mailman/listinfo/freebsd-fs

> To unsubscribe, send any mail to =
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