linux-kernel - Re: Linux 4.7: Reported regressions as of Sunday, 2016-06-26

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Message-ID: <8760sueg8t.fsf@purkki.adurom.net>
Date:	Mon, 27 Jun 2016 19:41:38 +0300
From:	Kalle Valo <kvalo@...eaurora.org>
To:	Thorsten Leemhuis <regressions@...mhuis.info>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jan Niehusmann <jan@...dor.com>, Joerg Roedel <jroedel@...e.de>
Subject: Re: Linux 4.7: Reported regressions as of Sunday, 2016-06-26

Thorsten Leemhuis <regressions@...mhuis.info> writes:

> Hi! Here is my third regression report for Linux 4.7. It has 
> 24 entries; 9 of them are new; 4 regressions (not included here)
> were fixed since the last report(¹). 
>
> Please let me know if a regression is missing in the list; or if
> there is something on the list which shouldn't be there.

Suspend to ram has been broken on my Thinkpad x230 since v4.7-rc1.
Finally found the time and bisected it to this:

22e2f9fa63b0 iommu/vt-d: Use per-cpu IOVA caching

And after some googling found a fix and verified that it fixes the issue
for me:

iommu/vt-d: fix overflow of iommu->domains array
https://patchwork.kernel.org/patch/9158085/

The patch is not in Linus' tree yet, hopefully will be soon.

Thorsten, your regression list is _very_ useful and saves a lot of time.
I hope you have the time and energy to continue maintaining it.

-- 
Kalle Valo