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. >&

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 > <s.pri...@profihost.ag>: >> I‘m getting the same xfs error message under high load. Does this patch fix >> it? >> > Did you applied the patc

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 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

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

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

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

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

2018-07-23 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

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 patch and try

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

2018-07-25 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: >>>>&