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

2018-04-05 Thread Tejun Heo
Hello, On Thu, Apr 05, 2018 at 09:14:15AM +0100, Sitsofe Wheeler wrote: > Just out of interest, does the fact that an abort occurs mean that the > hardware is somehow broken or badly behaved? Not really. For example, ATAPI devices depend on exception handling to fetch sense data as a part of nor

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 > +++ b/block/blk-timeout.c > @@ -165,7

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 > @@ -165,7 +165,7

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

2018-04-02 Thread Tejun Heo
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 +++ b/block/blk-timeout.c @@ -165,7 +165,7 @@ void blk_abort_request(struct request *req)

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

2018-04-02 Thread Sitsofe Wheeler
On 2 April 2018 at 15:33, Jens Axboe wrote: > On 4/1/18 8:35 AM, Sitsofe Wheeler wrote: >> >> While trying to boot an EeePC 900 on the latest git mainline kernel a >> hang is encountered while systemd is starting services but this did >> not happen with 4.15. A bisection narrowed it down to the co

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

2018-04-02 Thread Jens Axboe
On 4/1/18 8:35 AM, Sitsofe Wheeler wrote: > Hi, > > While trying to boot an EeePC 900 on the latest git mainline kernel a > hang is encountered while systemd is starting services but this did > not happen with 4.15. A bisection narrowed it down to the commit > 358f70da49d77c43f2ca11b5da584213b2add

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

2018-04-02 Thread Bart Van Assche
On Sun, 2018-04-01 at 15:35 +0100, Sitsofe Wheeler wrote: > While trying to boot an EeePC 900 on the latest git mainline kernel a > hang is encountered while systemd is starting services but this did > not happen with 4.15. A bisection narrowed it down to the commit > 358f70da49d77c43f2ca11b5da5842

[BISECTED][REGRESSION] Hang while booting EeePC 900

2018-04-01 Thread Sitsofe Wheeler
Hi, While trying to boot an EeePC 900 on the latest git mainline kernel a hang is encountered while systemd is starting services but this did not happen with 4.15. A bisection narrowed it down to the commit 358f70da49d77c43f2ca11b5da584213b2add29c ("blk-mq: make blk_abort_request() trigger timeout