On Wed, Jul 04, 2012 at 01:58:31PM +0800, Liu Bo wrote:
> The dmesg log, sysrq log and stack dump info can usually be very helpful.
>
> From your report, we can see the csum error and hang on log,
> 'no csum' is not that bad while hanging-on is serious and dangerous.
>
> so can you please get any 'sysrq + w' log in the hanging-on case and paste
> them here,
> and the log may tell us who blocks other threads.
Hi, thanks for the answer.
I dumped all sysrq data, that was in my original Email. Here are two
different sysrq+w runs, as well as aborted transaction messages from that
Email.
Sorry that the original was a bit long and contained a bunch of sysrq output.
>From doing further testing since then, it does seem that the code just start
doing bad things, including the file corruption I saw, when I'm running low
on free space.
Anything else that would help?
Thanks,
Marc
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> [84951.681105]
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> [84959.028005]
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> [84959.028005] .se->sum_exec_runtime : 271360.995455
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/autogroup-20
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 16585.443509
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : -52345678.398854
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 347.126752
> [84959.028005] .load_period : 6.020438
> [84959.028005] .load_contrib : 57
> [84959.028005] .load_tg : 57
> [84959.028005] .se->exec_start : 84959060.122289
> [84959.028005] .se->vruntime : 71921556.040907
> [84959.028005] .se->sum_exec_runtime : 16606.326222
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/autogroup-84
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 7072493.859899
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : -45289769.982464
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 6650.423655
> [84959.028005] .load_period : 8.469275
> [84959.028005] .load_contrib : 785
> [84959.028005] .load_tg : 785
> [84959.028005] .se->exec_start : 84959064.185687
> [84959.028005] .se->vruntime : 71921564.865429
> [84959.028005] .se->sum_exec_runtime : 6504348.221165
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/autogroup-28
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 1961906.582524
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : -50400357.259839
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 994.827639
> [84959.028005] .load_period : 7.072831
> [84959.028005] .load_contrib : 140
> [84959.028005] .load_tg : 140
> [84959.028005] .se->exec_start : 84959064.180949
> [84959.028005] .se->vruntime : 71921559.003595
> [84959.028005] .se->sum_exec_runtime : 1962191.771814
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/autogroup-39
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 4239411.104825
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : -48122852.737538
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 7224.556007
> [84959.028005] .load_period : 8.698458
> [84959.028005] .load_contrib : 830
> [84959.028005] .load_tg : 830
> [84959.028005] .se->exec_start : 84959060.995273
> [84959.028005] .se->vruntime : 71921558.657276
> [84959.028005] .se->sum_exec_runtime : 4312867.647890
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/autogroup-74
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 1424529.029769
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : -50937734.812594
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 6439.299117
> [84959.028005] .load_period : 8.633038
> [84959.028005] .load_contrib : 745
> [84959.028005] .load_tg : 745
> [84959.028005] .se->exec_start : 84959061.053899
> [84959.028005] .se->vruntime : 71921559.096778
> [84959.028005] .se->sum_exec_runtime : 2566083.226405
> [84959.028005] .se->load.weight : 2
> [84959.028005]
> [84959.028005] cfs_rq[1]:/
> [84959.028005] .exec_clock : 0.000000
> [84959.028005] .MIN_vruntime : 0.000001
> [84959.028005] .min_vruntime : 71921564.865429
> [84959.028005] .max_vruntime : 0.000001
> [84959.028005] .spread : 0.000000
> [84959.028005] .spread0 : 19559301.023066
> [84959.028005] .nr_spread_over : 0
> [84959.028005] .nr_running : 0
> [84959.028005] .load : 0
> [84959.028005] .load_avg : 0.000000
> [84959.028005] .load_period : 0.000000
> [84959.028005] .load_contrib : 0
> [84959.028005] .load_tg : 0
> [84959.028005]
> [84959.028005] rt_rq[1]:
> [84959.028005] .rt_nr_running : 0
> [84959.028005] .rt_throttled : 0
> [84959.028005] .rt_time : 0.000000
> [84959.028005] .rt_runtime : 950.000000
> [84959.028005]
> [84959.028005] runnable tasks:
> [84959.028005] task PID tree-key switches prio
> exec-runtime sum-exec sum-sleep
> [84959.028005]
> ----------------------------------------------------------------------------------------------------------
> [84959.028005]
> [84960.376059] INFO: task flush-btrfs-1:399 blocked for more than 120 seconds.
> [85748.849847] BTRFS warning (device dm-0): Aborting unused transaction.
> [85754.690251] BTRFS warning (device dm-0): Aborting unused transaction.
> [85754.787953] BTRFS warning (device dm-0): Aborting unused transaction.
> [85754.871973] BTRFS warning (device dm-0): Aborting unused transaction.
> [85754.971097] BTRFS warning (device dm-0): Aborting unused transaction.
> [85755.242875] BTRFS warning (device dm-0): Aborting unused transaction.
> [85755.522664] BTRFS warning (device dm-0): Aborting unused transaction.
> [85755.670110] BTRFS warning (device dm-0): Aborting unused transaction.
> [85755.811342] BTRFS warning (device dm-0): Aborting unused transaction.
> [85755.971524] BTRFS warning (device dm-0): Aborting unused transaction.
> [85756.175633] BTRFS warning (device dm-0): Aborting unused transaction.
> [85756.329593] BTRFS warning (device dm-0): Aborting unused transaction.
> [85757.064995] BTRFS warning (device dm-0): Aborting unused transaction.
> [85757.210976] BTRFS warning (device dm-0): Aborting unused transaction.
> [85758.058191] BTRFS warning (device dm-0): Aborting unused transaction.
> [85758.454009] BTRFS warning (device dm-0): Aborting unused transaction.
> [85758.742629] BTRFS warning (device dm-0): Aborting unused transaction.
> [85759.082905] BTRFS warning (device dm-0): Aborting unused transaction.
> [85760.355436] BTRFS warning (device dm-0): Aborting unused transaction.
> [85760.795476] BTRFS warning (device dm-0): Aborting unused transaction.
> [85760.921292] BTRFS warning (device dm-0): Aborting unused transaction.
> [85761.041269] BTRFS warning (device dm-0): Aborting unused transaction.
> [85761.160903] BTRFS warning (device dm-0): Aborting unused transaction.
> [85761.265970] BTRFS warning (device dm-0): Aborting unused transaction.
> [85761.376858] BTRFS warning (device dm-0): Aborting unused transaction.
> [85762.271769] BTRFS warning (device dm-0): Aborting unused transaction.
> [85762.888725] BTRFS warning (device dm-0): Aborting unused transaction.
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
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