I guess, btrfs aborting due to a corrupted fs is expected behavior as of
now. I think, a safe way is to take snapshots regularly of your btrfs
and then reverting back to the previous snapshots when something goes
wrong. I will also find out more on this and update here if I do find
out something
** Branch linked: lp:~csurbhi/ubuntu/maverick/btrfs-tools/btrfs-
tools.fix-601874
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
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Chris Halse Rogers, did you have a system crash or had to force poweroff
your machine? In that case, by any chance do you have the dmesg/kernel
log of the crash and/or first boot after the crash?
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
You received
*giggle*.
Sorry - I've had to uncleanly kill this machine quite frequently, for a
variety of reasons (most of which to do with X). I don't have those
logs that far back.
I could possibly play around with powering off my machine while under IO
load if that would be helpful.
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btrfsck SIGSEGVs
Hi Chris Halse Rogers,
Thanks a lot for your consideration and help :) I have kept a test ppa of
btrfs-tools at https://launchpad.net/~csurbhi/+archive/ppa
Can you please let me know if this fixes things for you? I am not able to
reproduce the same bug here.
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btrfsck SIGSEGVs in
Well, it no longer segfaults. It now aborts in
btrfs_lookup_extent_info!
Backtrace attached.
** Attachment added: Backtrace of btrfsck /dev/sda2
http://launchpadlibrarian.net/52871237/btrfsck.log
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
You
I'd love to give you a btrfs image, but that segfaults; backtrace
attached.
** Attachment added: btrfs-image backtrace
http://launchpadlibrarian.net/52871397/btrfs-image.log
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
You received this bug
I guess you'd probably like me to keep this disc image around for
testing fixes or hypotheses.
I'd like to replace it with a filesystem less broken, but btrfs-image
*also* segfaults with similar messages, so I'll keep this filesystem
around until you tell me it's no longer going to be useful :).
** Changed in: btrfs-tools (Ubuntu)
Status: Confirmed = In Progress
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
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** Changed in: btrfs-tools (Ubuntu)
Assignee: (unassigned) = Surbhi Palande (csurbhi)
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btrfsck SIGSEGVs in find_first_block_group
https://bugs.launchpad.net/bugs/601877
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** Attachment added: gdb session with backtrace
http://launchpadlibrarian.net/51409544/btrfs-abort.log
** Changed in: btrfs-tools (Ubuntu)
Status: New = Confirmed
** Changed in: btrfs-tools (Ubuntu)
Importance: Undecided = Medium
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btrfsck SIGSEGVs in find_first_block_group
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