On 08/05/2016 11:38 AM, Tomasz Chmielewski wrote:
On 2016-08-06 00:15, Chris Mason wrote:

# cat 2016-08-02/serverX/syslog.log
cat: 2016-08-02/serverX/syslog.log: Input/output error

How big is the file?  We had one bug with inline files that might have
caused this.

This one's tiny, 158137 bytes.

Too big for the known problem though.  Still, can you btrfs-debug-tree
and just make sure it doesn't have inline items?

Hmmm....

# btrfs-debug-tree /dev/xvdb > /root/debug.tree
parent transid verify failed on 355229302784 wanted 49943295 found 49943301
parent transid verify failed on 355229302784 wanted 49943295 found 49943301
Ignoring transid failure
parent transid verify failed on 355233251328 wanted 49943299 found 49943303
parent transid verify failed on 355233251328 wanted 49943299 found 49943303
Ignoring transid failure
print-tree.c:1105: btrfs_print_tree: Assertion failed.
btrfs-debug-tree[0x418d99]
btrfs-debug-tree(btrfs_print_tree+0x26a)[0x41acf6]
btrfs-debug-tree(main+0x9a5)[0x432589]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7f2369de0f45]
btrfs-debug-tree[0x4070e9]

Looks like the FS is mounted?

-chris

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