Date: Tue, 16 May 2017 17:28:35 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Kristof Provost <kristof@sigsegv.be> Cc: Freebsd current <freebsd-current@FreeBSD.org>, freebsd-fs@FreeBSD.org Subject: Re: zfs recv panic Message-ID: <51bbf691-a8e2-2d16-6a95-c37a474c1dfe@FreeBSD.org> In-Reply-To: <B024E96F-4458-4C84-9982-97A09ED68B8B@sigsegv.be> References: <18A74EE1-3358-4276-88EA-C13E28D8563A@sigsegv.be> <98df7d70-4ecb-34f2-7db2-d11a4b0c854a@FreeBSD.org> <B024E96F-4458-4C84-9982-97A09ED68B8B@sigsegv.be>
next in thread | previous in thread | raw e-mail | index | archive | help
On 16/05/2017 16:49, Kristof Provost wrote: > On 16 May 2017, at 15:41, Andriy Gapon wrote: >> On 10/05/2017 12:37, Kristof Provost wrote: >>> I have a reproducible panic on CURRENT (r318136) doing >>> (jupiter) # zfs send -R -v zroot/var@before-kernel-2017-04-26 | nc dual 1234 >>> (dual) # nc -l 1234 | zfs recv -v -F tank/jupiter/var >>> >>> For clarity, the receiving machine is CURRENT r318136, the sending machine is >>> running a somewhat older CURRENT version. >>> >>> The receiving machine panics a few seconds in: >>> >>> receiving full stream of zroot/var@before-kernel-2017-04-03 into >>> tank/jupiter/var@before-kernel-2017-04-03 >>> panic: solaris assert: dbuf_is_metadata(db) == arc_is_metadata(buf) (0x0 == >>> 0x1), file: /usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c, >>> line: 2007 >> >> could you please try to revert commits related to the compressed send and see if >> that helps? I assume that the sending machine does not have (does not use) the >> feature while the target machine is capable of the feature. >> >> The commits are: r317648 and r317414. Mot that I really suspect that change, >> but just to eliminate the possibility. > > Those commits appear to be the trigger. > I’ve not changed the sender, but with those reverted I don’t see the panic any > more. Thank you for testing. Do you still have the old kernel / module and the crash dump? It would interesting to poke around in frame 14. -- Andriy Gapon
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?51bbf691-a8e2-2d16-6a95-c37a474c1dfe>