linux-kernel - Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 06 Feb 2018 09:37:52 +0100
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     Mike Galbraith <efault@....de>
Cc:     Paolo Valente <paolo.valente@...aro.org>,
        Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, ulf.hansson@...aro.org,
        broonie@...nel.org, linus.walleij@...aro.org,
        bfq-iosched@...glegroups.com, alban.browaeys@...il.com,
        ming.lei@...hat.com, ivan@...ios.org, 169364@...denti.unimore.it,
        Serena Ziviani <ziviani.serena@...il.com>
Subject: Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook

Hi.

06.02.2018 08:56, Mike Galbraith wrote:
> I was doing kbuilds, and it blew up on me twice.  Switching back to cfq
> seemed to confirm it was indeed the patch causing trouble, but that's
> by no means a certainty.

Just to note, I was using v4.15.1, not the latest git HEAD. Are you able 
to reproduce it on the stable kernel? Also, assuming this issue might be 
unrelated to the BFQ itself, did you manage to reproduce the trouble 
with another blk-mq scheduler (not CFQ, but mq-deadline/Kyber)?

Regards,
   Oleksandr