Date: Wed, 29 Jul 2009 16:55:45 +0300 From: Andriy Gapon <avg@icyb.net.ua> 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: <4A7054E1.5060402@icyb.net.ua> In-Reply-To: <D3491B77-DA5C-4E10-BE1D-D6EF8CFB112E@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>
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on 29/07/2009 16:52 Thomas Backman said the following: >> >> It would be useful to get line number in frame 13 and examine sx >> object in frame >> 11, esp. sx_lock field. >> >> -- >> Andriy Gapon > The "this" (above) was referring to variable values not being available > in a vmcore. :) > > The zfs module appears to be built with symbols, and the symbols appear > to be loaded in kgdb: > > Reading symbols from /boot/kernel/zfs.ko...Reading symbols from > /bootdir/boot/kernel/zfs.ko.symbols...done. done. > Loaded symbols for /boot/kernel/zfs.ko > Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from > /bootdir/boot/kernel/opensolaris.ko.symbols...done. done. > Loaded symbols for /boot/kernel/opensolaris.ko > > I didn't build the module(s) individually, either; in the previous > cases, it was a clean buildworld/buildkernel (even with rm -rf > /usr/obj/* beforehand), and in this case "just" a buildkernel (no manual > cleaning, but no -DNO_CLEAN either). Got it. No idea unfortunately :( Could you still please examine sx in frame 11? -- Andriy Gapon
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