Hello! I have a serious problem with inaccessible data and segfaulting btrfsck for the /var partition on my computer. The reason is not entirely clear to me. The only extraordinary things happening today were an empty CMOS battery and me accidentally enabling C1E support when reconfiguring the BIOS. Afterwards the computer did not boot properly anymore (some GPU lockup thingy and the whole system locked up hard before X would start) and when I cut the power and setup the BIOS again (this time without C1E support), /var would be broken in the state I describe below. I can mount it, and dmesg says the following, which seems normal: --- device label var devid 1 transid 393536 /dev/sda7 btrfs: use lzo compression btrfs: enabling auto defrag --- When I access certain directories, however, I get a message like this one: ls: cannot access /var/log: Stale NFS file handle When I run btrfsck --repair it asserts, and when I just run btrfsck without extra options it segfaults. Sadly I do not have debug symbols installed, so the backtrace is probably useless. I attached the stdout/err output of both runs to the bugzilla report: https://bugzilla.kernel.org/show_bug.cgi?id=64411 # btrfs --version Btrfs v0.20-rc1-358-g194aa4a # uname -r 3.11.6-gentoo I would be thankful if you could help me to get as much as possible of my data back. And please CC me, as I am not subscribed to the list. Best regards, Dennis P.S: I already sent an email yesterday, but it did not arrive in the archives, so I assume it was blocked by the list for the two ~125kB attachments.
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