linux-kernel - Re: [BISECTED][REGRESSION] Hang while booting EeePC 900

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Message-ID: <de102067-b589-af05-ae71-496e948000f0@kernel.dk>
Date:   Mon, 2 Apr 2018 08:33:28 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Sitsofe Wheeler <sitsofe@...il.com>, Tejun Heo <tj@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Asai Thambi SP <asamymuthupa@...ron.com>,
        Stefan Haberland <sth@...ux.vnet.ibm.com>,
        Jan Hoeppner <hoeppner@...ux.vnet.ibm.com>,
        Bart Van Assche <Bart.VanAssche@....com>
Subject: Re: [BISECTED][REGRESSION] Hang while booting EeePC 900

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
> 358f70da49d77c43f2ca11b5da584213b2add29c ("blk-mq: make
> blk_abort_request() trigger timeout path"). Here's the bisection log:
> 
> git bisect bad 358f70da49d77c43f2ca11b5da584213b2add29c
> # first bad commit: [358f70da49d77c43f2ca11b5da584213b2add29c] blk-mq:
> make blk_abort_request() trigger timeout path

Are you using scsi-mq?

Would probably also be handy to see a dmesg log from a 4.15 boot,
and from a failed 4.16 boot.

-- 
Jens Axboe