Re: Hanging after frequent use of systemd-nspawn --ephemeral

2018-01-13 Thread Qu Wenruo
On 2018年01月14日 09:36, Johannes Ernst wrote: > Summary: frequent “hangs” of the system with dmesg saying: > > task systemd:9 blocked for more than 120 seconds. > [ 2948.928653] Tainted: G C O4.14.9-1-ARCH #1 > [ 2948.928658] "echo 0 >

Hanging after frequent use of systemd-nspawn --ephemeral

2018-01-13 Thread Johannes Ernst
Summary: frequent “hangs” of the system with dmesg saying: task systemd:9 blocked for more than 120 seconds. [ 2948.928653] Tainted: G C O4.14.9-1-ARCH #1 [ 2948.928658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2948.928665] systemd

Re: [PATCH bpf-next v5 5/5] error-injection: Support fault injection framework

2018-01-13 Thread Masami Hiramatsu
On Sat, 13 Jan 2018 22:28:29 +0900 Akinobu Mita wrote: > 2018-01-13 2:56 GMT+09:00 Masami Hiramatsu : > > Support in-kernel fault-injection framework via debugfs. > > This allows you to inject a conditional error to specified > > function using

Re: invalid files names, btrfs check can't repair it

2018-01-13 Thread Qu Wenruo
On 2018年01月14日 04:41, Sebastian Andrzej Siewior wrote: > On 2018-01-13 08:56:24 [+0800], Qu Wenruo wrote: >> 'Btrfs check' output please. > > ~# btrfs check --repair -p /dev/sdb4 > enabling repair mode > Checking filesystem on /dev/sdb4 > UUID: b3bfb56e-d445-4335-93f0-c1fb2d1f6df1 > Fixed 0

Re: Recommendations for balancing as part of regular maintenance?

2018-01-13 Thread Chris Murphy
On Fri, Jan 12, 2018 at 11:24 AM, Austin S. Hemmelgarn wrote: > To that end, I propose the following text for the FAQ: > > Q: Do I need to run a balance regularly? > > A: While not strictly necessary for normal operations, running a filtered > balance regularly can help

Re: invalid files names, btrfs check can't repair it

2018-01-13 Thread Sebastian Andrzej Siewior
On 2018-01-13 08:56:24 [+0800], Qu Wenruo wrote: > 'Btrfs check' output please. ~# btrfs check --repair -p /dev/sdb4 enabling repair mode Checking filesystem on /dev/sdb4 UUID: b3bfb56e-d445-4335-93f0-c1fb2d1f6df1 Fixed 0 roots. checking extents [o] No device size related problem found cache and

Re: [PATCHSET v5] blk-mq: reimplement timeout handling

2018-01-13 Thread Ming Lei
On Sat, Jan 13, 2018 at 10:45:14PM +0800, Ming Lei wrote: > On Fri, Jan 12, 2018 at 04:55:34PM -0500, Laurence Oberman wrote: > > On Fri, 2018-01-12 at 20:57 +, Bart Van Assche wrote: > > > On Tue, 2018-01-09 at 08:29 -0800, Tejun Heo wrote: > > > > Currently, blk-mq timeout path synchronizes

Re: [PATCHSET v5] blk-mq: reimplement timeout handling

2018-01-13 Thread Ming Lei
On Fri, Jan 12, 2018 at 04:55:34PM -0500, Laurence Oberman wrote: > On Fri, 2018-01-12 at 20:57 +, Bart Van Assche wrote: > > On Tue, 2018-01-09 at 08:29 -0800, Tejun Heo wrote: > > > Currently, blk-mq timeout path synchronizes against the usual > > > issue/completion path using a complex

Re: [PATCH bpf-next v5 5/5] error-injection: Support fault injection framework

2018-01-13 Thread Akinobu Mita
2018-01-13 2:56 GMT+09:00 Masami Hiramatsu : > Support in-kernel fault-injection framework via debugfs. > This allows you to inject a conditional error to specified > function using debugfs interfaces. > > Here is the result of test script described in >

Re: [PATCHSET v5] blk-mq: reimplement timeout handling

2018-01-13 Thread Ming Lei
On Fri, Jan 12, 2018 at 04:55:34PM -0500, Laurence Oberman wrote: > On Fri, 2018-01-12 at 20:57 +, Bart Van Assche wrote: > > On Tue, 2018-01-09 at 08:29 -0800, Tejun Heo wrote: > > > Currently, blk-mq timeout path synchronizes against the usual > > > issue/completion path using a complex