Situation is intolerable, crashed 2nd time in 12 hrs:
top - 12:06:37 up 1:51, 1 user, load average: 3.33, 0.87, 0.33
Tasks: 226 total, 5 running, 221 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 48.5 sy, 0.0 ni, 50.9 id, 0.1 wa, 0.0 hi, 0.5 si, 0.0 st
KiB Mem: 12295372 total, 12138296 used, 157076 free, 312 buffers
KiB Swap: 7831536 total, 56 used, 7831480 free, 24644 cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1005 root 20 0 0 0 0 R 100.1 0.0 0:50.16 btrfs-transacti
2462 root 20 0 0 0 0 R 75.8 0.0 0:06.66 btrfs-flush_del
2459 root 20 0 0 0 0 S 72.5 0.0 0:10.18 btrfs-flush_del
2463 root 20 0 0 0 0 S 70.5 0.0 0:14.41 btrfs-flush_del
2457 root 20 0 0 0 0 R 38.6 0.0 0:28.35 btrfs-flush_del
2458 root 20 0 0 0 0 S 17.0 0.0 0:39.31 btrfs-flush_del
1959 root 20 0 0 0 0 R 9.6 0.0 0:31.68 btrfs-flush_del
100 root 20 0 0 0 0 S 7.6 0.0 0:00.31 kswap
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1237794
Title:
hard lockup on filserver
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Hi,
My Core i7 18TB BTRFS file server has been upgraded to 13.10 and since
doing so locks up frequently. Previously it never crashed and was only taken
down for maintenance, Monday we upgraded to 13.10 and since then it locks up
ever 20hrs or so. We were doing a large backup last night and it locked up
within 6 or so hrs.
On the 1st occurrence absolutely nothing was in the logs, on the 2nd
occurrence there was some NFS hang messages, when system comes back up
I will check and post any logging information gleaned.
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