Hi Gui, I'm getting back at this a bit late, but I could now run `btrfsck --repair` with btrfs-progs 24cf4d8c3ee924b474f68514e0167cc2e602a48d on Linux 3.16-rc5 in an Oracle VirtualBox VM with Ubuntu 14.04. It doesn't suceed yet, but at least I'm not getting immediate errors.
Best regards, Karl Am 25.06.2014 03:20, schrieb Gui Hecheng: > On Tue, 2014-06-24 at 15:43 +0200, Karl-Philipp Richter wrote: >> Hi together, >> I wondered whether >> >> $ sudo btrfs rescue chunk-recover -y /dev/loop2p1 >> btrfs: chunk-recover.c:124: process_extent_buffer: Assertion >> `!(exist->nmirrors >= 2)' failed. >> $ echo $? >> 134 > > Hi, Karl > For the Assertion above, this one below may do a help. > https://patchwork.kernel.org/patch/4339091/ > > -Gui > >> is an error in btrfs or an error message of (the correctly working) >> btrfs. Any ideas what this could mean? I'm having this trouble with a >> system which is so messed up that I even can't restore >> >> $ sudo btrfs restore /dev/loop2p1 /mnt/data_extension/restore >> parent transid verify failed on 1068982272 wanted 47618 found 47575 >> parent transid verify failed on 1068982272 wanted 47618 found 47575 >> parent transid verify failed on 1068982272 wanted 47618 found 47575 >> parent transid verify failed on 1068982272 wanted 47618 found 47575 >> Ignoring transid failure >> leaf parent key incorrect 1068982272 >> Couldn't setup extent tree >> parent transid verify failed on 1068982272 wanted 47618 found 47575 >> Ignoring transid failure >> leaf parent key incorrect 1068982272 >> Couldn't read fs root: -1 >> >> I'm issueing the command because it seems to be the last thing I can do >> to rescue any data of that partition. >> >> This occurs with v3.12 (output of `btrfs --version`) as well as the >> latest commit 24cf4d8c3ee924b474f68514e0167cc2e602a48d of btrfs-progs. >> >> Best regards, >> Kalle Richter >> > >
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