Date: Mon, 04 Jun 2012 14:07:58 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-fs@freebsd.org Subject: Re: "panic: snapblkfree: inconsistent block type" on FreeBSD 9.0 RELEASE Message-ID: <op.wfdnzktr8527sy@ronaldradial.versatec.local> In-Reply-To: <CAAVO5%2BKaf348CVeP1uzfKMJ0cS34SzkXyzt1-hXRY_earV_b-A@mail.gmail.com> References: <CAAVO5%2BLzKnmh%2BHxaPs1PA1bA4%2BbcbijnHakW6xF72%2BJ_tGhx-A@mail.gmail.com> <CAAVO5%2BKaf348CVeP1uzfKMJ0cS34SzkXyzt1-hXRY_earV_b-A@mail.gmail.com>
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On Sun, 03 Jun 2012 20:08:07 +0200, José García Juanino <jjuanino@gmail.com> wrote: > On 3 June 2012 14:16, José García Juanino <jjuanino@gmail.com> wrote: >> Hi, >> >> I am getting a lot of "snapblkfree: inconsistent block type" panics on >> my FreeBSD 9.0-RELEASE. My file systems have not any inconsistencies, >> I am checked them with fsck. But I have some snapshots with softupdate >> inconsistencies (fsck_ffs /path/to/snapshot), and I suspect that may >> be the cause of the panics. I have several questions: >> >> 1- Snapshots with fsck inconsistencies might be the cause of my panics? >> 2- Should I remove any of such "corrupt" snapshots? >> >> If someone is interested, I can provide a full backtrace. Kernel is >> GENERIC, with no tweaks. File system are been created with normal >> "newfs -U". No special setting is using. > > I have three full core dumps: > > http://www.mipaginapersonal.movistar.es/web3/jjuanino/core.txt.1 > http://www.mipaginapersonal.movistar.es/web3/jjuanino/core.txt.2 > http://www.mipaginapersonal.movistar.es/web3/jjuanino/core.txt.3 > > The relevant code is, in the three examples: > > #3 0xffffffff80a40124 in ffs_snapblkfree (fs=0xfffffe0002deb000, > devvp=Variable "devvp" is not available. > ) > at /usr/src/sys/ufs/ffs/ffs_snapshot.c:1799 > > Regards I don't know about the internals of FFS, but I know there were some fixes to FFS + snapshots ( + journal (SUJ) ??) after 9.0-RELEASE. So maybe you can test updating to and running with 9-STABLE. Ronald.
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