Subject: Re: [BUG][bisected 270065e] linux-next fails to boot on powerpc

From: Bart Van Assche <[email-masked]>
Date: Wed, 16 Aug 2017 17:21:14 +0000

On Wed, 2017-08-16 at 22:30 +0530, Abdul Haleem wrote:
> As of next-20170809, linux-next on powerpc boot hung with below trace
> message.
> 
> [ ... ]
> 
> A bisection resulted in first bad commit (270065e92 - scsi: scsi-mq:
> Always unprepare ...) in the merge branch 'scsi/for-next'
> 
> System booted fine when the below commit is reverted: 
> 
> commit 270065e92c317845d69095ec8e3d18616b5b39d5
> Author: Bart Van Assche <[email-masked]>
> Date:   Thu Aug 3 14:40:14 2017 -0700
> 
>     scsi: scsi-mq: Always unprepare before requeuing a request

Hello Brian and Michael,

Do you agree that this probably indicates a bug in the PowerPC block driver
that is used to access the boot disk? Anyway, since a solution is not yet
available, I will submit a revert for this patch.

Bart.