Date: Fri, 18 May 2012 12:57:47 +0200 From: Luigi Rizzo <rizzo@iet.unipi.it> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: freebsd-current FreeBSD <freebsd-current@freebsd.org> Subject: Re: SUJ file system corruption. Message-ID: <20120518105747.GB5494@onelab2.iet.unipi.it> In-Reply-To: <20769DCB-D3EF-49C6-A791-E190A5CCECAE@lists.zabbadoz.net> References: <2103A722-43BF-4BCF-AEDE-2E0CB13DF620@kientzle.com> <20769DCB-D3EF-49C6-A791-E190A5CCECAE@lists.zabbadoz.net>
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On Fri, May 18, 2012 at 10:18:47AM +0000, Bjoern A. Zeeb wrote: > > On 13. May 2012, at 22:35 , Tim Kientzle wrote: > > > FYI: Saw a crash due to filesystem corruption when running SUJ. > > > > This is on a ARM AM335x system (BeagleBone) that is > > still pretty experimental, so I certainly cannot rule out other > > problems, but in case it means something to > > someone, here's the scenario: > > > > Reset the board to reboot (which is routine for these > > small embedded boards) and when it came back up > > it went through SUJ recovery, and then a little later > > the kernel panicked with this stack trace: > > > > rm: /var/run/dmesg.boot: Bad file descriptor > > panic: ffs_write: type 0xc1e86660 0 (0,1024) > > > Can you tell us if this was HEAD, stable/9 or 9.0-RELEASE? on stable/9 and amd64 as of 2-3 months ago i am seeing these panics every time (fortunately very rare) the system needs to recover from a crash. On the subsequent reboot the system keeps crashing randomly as soon as i load disk-intensive applications (often browsers or most things that run under X11, but sometimes the crashes are even before that. I then need to reboot in single user and do a manual fsck. I tried to run fsck using the journal, but after it completes a subsequent non-journal fsck finds errors. In the end, i am not sure if it makes sense to keep the SU+J active on the disk, i am so afraid of crashes that i don't even dare anymore to run experimental kernels or modules on my main workstation! cheers luigi
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