On Mon, Oct 6, 2014 at 2:50 PM, David Arendt <admin@xxxxxxxxx> wrote:
Hi,
After upgrading to kernel 3.17 btrfs send has stopped working.
ERROR: send ioctl failed with -5: Input/output error
The following message is printed by kernel:
[75322.782197] BTRFS error (device sda2): did not find backref in
send_root. inode=461, offset=0, disk_byte=1094713344 found
extent=1094713344
btrfs inspect-internal inode-resolve -v 461 /u00/root.snapshot
returns:
/var/log/emerge-fetch.log
After removing this file, the error moves on to another file.
btrfs scrub output:
scrub status for bc31b068-2c36-4ff2-ac5c-7ce55af5371d
scrub started at Mon Oct 6 19:49:25 2014 and finished after 1748
seconds
total bytes scrubbed: 94.21GiB with 0 errors
Other then the btrfs send problem, the filesystem works normally.
Is this a bug in btrfs-send or is my filesystem corrupted and should
be
restored from backup ?
Please tell me if I can do anything else to help debugging this issue.
Which kernel did you upgrade from? I don't think we have changes in
3.17 that should impact this.
Is merge-fetch.log just a simple append-only log file?
-chris
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