Date: Thu, 30 Jul 2009 17:46:17 +0300 From: Andriy Gapon <avg@freebsd.org> To: Thomas Backman <serenity@exscape.org> Cc: freebsd-fs@freebsd.org, FreeBSD current <freebsd-current@freebsd.org>, Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: zfs: Fatal trap 12: page fault while in kernel mode Message-ID: <4A71B239.8060007@freebsd.org> In-Reply-To: <7544AED1-1216-4A24-B287-F54117641F76@exscape.org> References: <20090727072503.GA52309@jpru.ffm.jpru.de> <4A6E06E6.9030300@mail.zedat.fu-berlin.de> <4A6EC9E2.5070200@icyb.net.ua> <20090729084723.GD1586@garage.freebsd.pl> <F4F82B3E-C119-40EF-9AA4-937052876D1E@exscape.org> <4A7030B6.8010205@icyb.net.ua> <97D5950F-4E4D-4446-AC22-92679135868D@exscape.org> <4A7048A9.4020507@icyb.net.ua> <52AA86CB-6C06-4370-BA73-CE19175467D0@exscape.org> <4A705299.8060504@icyb.net.ua> <D3491B77-DA5C-4E10-BE1D-D6EF8CFB112E@exscape.org> <4A7054E1.5060402@icyb.net.ua> <5918824D-A67C-43E6-8685-7B72A52B9CAE@exscape.org> <4A705E50.8070307@icyb.net.ua> <4A70728C.7020004@freebsd.org> <6D47A34B-0753-4CED-BF3D-C505B37748FC@exscape.org> <4A708455.5070304@freebsd.org> <86983A55-E5C4-4C04-A4C7-0AE9A9EE37A3@exscape.org> <4A718E03.6030909@freebsd.org> <71A038EC-02B1-4606-96C2-5E84BE80F005@exscape.org> <4A719CA4.4060400@freebsd.org> <19347561-3CE6-40B3-930A-EB9925D3AFD1@exscape.org> <4A71AD29.10705@freebsd.org> <7544AED1-1216-4A24-B287-F54117641F76@exscape.org>
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on 30/07/2009 17:39 Thomas Backman said the following: > On Jul 30, 2009, at 16:24, Andriy Gapon wrote: >> >> Could you please add DEBUG_VFS_LOCKS to kernel config and check that >> we haven't >> broke VFS locking with the patch? >> Thank you again! >> >> -- >> Andriy Gapon > Hey, thank *you* :) > Currently recompiling the kernel, I'll have a look later. What do I do, > though? Just keep an eye on the console, or something more involved? > (Or, since the handbook mentions lockedvnods in ddb: when should I check > lockedvnods?) I think you should get a panic if anything goes wrong. And I think you would get one :-) Next thing to try after that is the updated patch from Pawel: http://people.freebsd.org/~pjd/patches/zfs_vnops.c.2.patch -- Andriy Gapon
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