After a successful db startup, this crash was reproducible every time with db
activity, or possibly just time. The filesystem is a raid1 and even after a
reformat and restore from backup, the crash remains:
Label: slash uuid: a9730db3-a475-45bb-af94-a873e235114b
Total devices 2 FS bytes used 39.04GB
devid 2 size 97.66GB used 48.51GB path /dev/sdb2
devid 1 size 97.66GB used 48.53GB path /dev/sda2
mounted as:
# mount |grep sdb2
/dev/sdb2 on / type btrfs (rw,noatime)
This is transcribed from the screen, so forgive type-o's and "<blah>" . Let
me know if I skipped something important.
(every line starts with [27163.079010] )
Call trace:
__btrfs_submit_bio_done+0x1b/0x1d [btrfs]
run_one_async_done+0x94/0x98 [btrfs]
run_ordered_completions++0x78/0xaa [btrfs]
worker_loop+0x199/0x4ec [btrfs]
kthread+0x0d/0xa5
kernel_thread_helper+0x4/0x10
? restore_args+0x0/0x30
? kthread+0x0/0xa5
? kernel_thread_helper+0x0/0x10
Code: 74 04 <blah blah>
RIP [<ffff<blah> 7>] btrfs_map_bio+0x88/0x1c9
RSP <ffb<blah>>
---[ end trace f8<blah> ]---
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