Re: [BISECTED][REGRESSION] Hang while booting EeePC 900

2018-04-05 Thread Sitsofe Wheeler
On 2 April 2018 at 21:29, Tejun Heo wrote: > Hello, Sitsofe. > > Can you see whether the following patch makes any difference? > > Thanks. > > diff --git a/block/blk-timeout.c b/block/blk-timeout.c > index a05e367..f0e6e41 100644 > --- a/block/blk-timeout.c > +++

Re: BFQ/Kyber as default I/O scheduler?

2018-04-03 Thread Sitsofe Wheeler
On 3 April 2018 at 15:21, Jens Axboe <ax...@kernel.dk> wrote: > On 4/3/18 6:08 AM, Sitsofe Wheeler wrote: >> >> Is there any particular reason the new(ish) BFQ and Kyber I/O >> schedulers have not been added to the "Default I/O scheduler" choices >&g

BFQ/Kyber as default I/O scheduler?

2018-04-03 Thread Sitsofe Wheeler
Hi, Is there any particular reason the new(ish) BFQ and Kyber I/O schedulers have not been added to the "Default I/O scheduler" choices in block/Kconfig.iosched ? Is it because they are multiqueue only? -- Sitsofe | http://sucs.org/~sits/

Re: [BISECTED][REGRESSION] Hang while booting EeePC 900

2018-04-02 Thread Sitsofe Wheeler
Hi Tejun, On 2 April 2018 at 21:29, Tejun Heo wrote: > > Can you see whether the following patch makes any difference? > > Thanks. > > diff --git a/block/blk-timeout.c b/block/blk-timeout.c > index a05e367..f0e6e41 100644 > --- a/block/blk-timeout.c > +++ b/block/blk-timeout.c >

kernel BUG at block/bio.c:1785 while trying to issue a discard to LVM on RAID1 md

2016-10-03 Thread Sitsofe Wheeler
Hi, While trying to do a discard (via blkdiscard --length 1048576 /dev/) to an LVM device atop a two disk md RAID1 the following oops was generated: [ 103.306243] md: resync of RAID array md127 [ 103.306246] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. [ 103.306248] md: using maximum