Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)

2019-09-11 Thread Stefan Priebe - Profihost AG
Am 11.09.19 um 17:56 schrieb Filipe Manana: > On Wed, Sep 11, 2019 at 4:39 PM Stefan Priebe - Profihost AG > wrote: >> >> Thanks! Is this the same as for the 5.3-rc8 I tested? Stacktrace looked >> different to me. > > I don't know, I can't see that ba

Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)

2019-09-11 Thread Stefan Priebe - Profihost AG
>> >>> On Wed 11-09-19 08:12:28, Stefan Priebe - Profihost AG wrote: >>> [...] >>> Sadly i'm running into issues with btrfs on 5.3-rc8 - the rsync process >>> on backup disk completely hangs / is blocked at 100% i/o: >>> [54739.065906] INFO:

Re: 5.3-rc-8 hung task in IO (was: Re: lot of MemAvailable but falling cache and raising PSI)

2019-09-11 Thread Stefan Priebe - Profihost AG
ge: 0x8000-0xbfff) 2019-09-11 15:41:10 Rebooting in 20 seconds.. 2019-09-11 15:41:29 ACPI MEMORY or I/O RESET_REG. Am 11.09.19 um 09:09 schrieb Michal Hocko: > This smells like IO/Btrfs issue to me. Cc some more people. > > On Wed 11-09-19 08:12:28, Stefan Priebe - Profi

Re: [PATCH] bcache: fix 0day error of setting writeback_rate by sysfs interface

2018-08-10 Thread Stefan Priebe - Profihost AG
Thanks for cc. How is this exploitable? I mean only root can write to sysfs? Or do you mean by allowing a user via sudo to write to that entry? Stefan Am 10.08.2018 um 17:45 schrieb Coly Li: > Commit ea8c5356d390 ("bcache: set max writeback rate when I/O request > is idle") changes struct bch_rat

Re: [PATCH v3] bcache: set max writeback rate when I/O request is idle

2018-07-26 Thread Stefan Priebe - Profihost AG
Am 26.07.2018 um 12:42 schrieb Coly Li: > Commit b1092c9af9ed ("bcache: allow quick writeback when backing idle") > allows the writeback rate to be faster if there is no I/O request on a > bcache device. It works well if there is only one bcache device attached > to the cache set. If there are many

Re: [PATCH v2] bcache: set max writeback rate when I/O request is idle

2018-07-25 Thread Stefan Priebe - Profihost AG
> Am 25.07.2018 um 08:16 schrieb Stefan Priebe - Profihost AG > : > >> Am 24.07.2018 um 18:36 schrieb Coly Li: >>> On 2018/7/24 4:33 PM, Stefan Priebe - Profihost AG wrote: >>>> Am 24.07.2018 um 10:28 schrieb Coly Li: >>>>> On 2018/7/24 3:1

Re: [PATCH v2] bcache: set max writeback rate when I/O request is idle

2018-07-24 Thread Stefan Priebe - Profihost AG
Am 24.07.2018 um 18:36 schrieb Coly Li: > On 2018/7/24 4:33 PM, Stefan Priebe - Profihost AG wrote: >> Am 24.07.2018 um 10:28 schrieb Coly Li: >>> On 2018/7/24 3:16 PM, Stefan Priebe - Profihost AG wrote: >>>> Am 24.07.2018 um 06:03 schrieb Coly Li: >>>>&

Re: [PATCH v2] bcache: set max writeback rate when I/O request is idle

2018-07-24 Thread Stefan Priebe - Profihost AG
Am 24.07.2018 um 10:28 schrieb Coly Li: > On 2018/7/24 3:16 PM, Stefan Priebe - Profihost AG wrote: >> Am 24.07.2018 um 06:03 schrieb Coly Li: >>> Commit b1092c9af9ed ("bcache: allow quick writeback when backing idle") >>> allows the writeback rate to be f

Re: [PATCH v2] bcache: set max writeback rate when I/O request is idle

2018-07-24 Thread Stefan Priebe - Profihost AG
Am 24.07.2018 um 06:03 schrieb Coly Li: > Commit b1092c9af9ed ("bcache: allow quick writeback when backing idle") > allows the writeback rate to be faster if there is no I/O request on a > bcache device. It works well if there is only one bcache device attached > to the cache set. If there are many

Re: [PATCH] bcache: set max writeback rate when I/O request is idle

2018-07-23 Thread Stefan Priebe - Profihost AG
Am 23.07.2018 um 11:05 schrieb Coly Li: > On 2018/7/23 2:38 PM, Stefan Priebe - Profihost AG wrote: >> Hi Coly, >> >> thanks for this patch. I was right on the way to debug why i have lot's >> of stalled I/O on latest SLES12-SP3 kernel. I'll add this patc

Re: [PATCH] bcache: set max writeback rate when I/O request is idle

2018-07-22 Thread Stefan Priebe - Profihost AG
Hi Coly, thanks for this patch. I was right on the way to debug why i have lot's of stalled I/O on latest SLES12-SP3 kernel. I'll add this patch and try if this solves my issues. Each cache set has two backing devices. Greets, Stefan Am 22.07.2018 um 18:13 schrieb Coly Li: > Commit b1092c9af9e

Re: [PATCH] bcache: recover data from backing device when read request hit clean

2017-11-17 Thread Stefan Priebe - Profihost AG
Am 17.11.2017 um 11:20 schrieb Rui Hua: > Hi, Stefan > > 2017-11-17 16:28 GMT+08:00 Stefan Priebe - Profihost AG > : >> I‘m getting the same xfs error message under high load. Does this patch fix >> it? >> > Did you applied the patch "bcache: only perm

Re: kernel 4.8-rc5 kernel BUG at block/blk-core.c:2032!

2016-09-09 Thread Stefan Priebe - Profihost AG
Am 08.09.2016 um 19:33 schrieb Shaohua Li: > On Thu, Sep 08, 2016 at 10:16:59AM -0600, Jens Axboe wrote: >> On 09/08/2016 02:23 AM, Stefan Priebe - Profihost AG wrote: >>> Hi, >>> >>> while trying Kernel 4.8-rc5 my raid5 breaks every few minutes. >&

kernel 4.8-rc5 kernel BUG at block/blk-core.c:2032!

2016-09-08 Thread Stefan Priebe - Profihost AG
Hi, while trying Kernel 4.8-rc5 my raid5 breaks every few minutes. Trace: [ cut here ] kernel BUG at block/blk-core.c:2032! invalid opcode: [#1] SMP Modules linked in: netconsole ipt_REJECT nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables 8021q garp bondi