Re: Linux 4.13: Reported regressions as of Sunday, 2017-08-06

[Jeff Mahoney]

On 8/6/17 9:59 AM, Thorsten Leemhuis wrote:
> Hi! Find below my second regression report for Linux 4.13. It lists 10
> regressions I'm currently aware of (albeit in one case it's not entirely
> clear yet if it's a regression in 4.13). One regression got fixed since
> last weeks report. You can also find the report at
> http://bit.ly/lnxregrep413 where I try to update it every now and then.
> 
> As always: Are you aware of any other regressions? Then please let me
> know. For details see http://bit.ly/lnxregtrackid And please tell me if
> there is anything in the report that shouldn't be there.
> 
> Ciao, Thorsten
> 
> P.S.: Thx to all those that CCed me on regression reports or provided
> other input, it makes compiling these reports a whole lot easier!
> 
> == Current regressions ==
> 
> [x86/mm/gup] e585513b76: will-it-scale.per_thread_ops -6.9% regression
> (2017-07-10)
> http://lkml.kernel.org/r/20170710024020.GA26389@yexl-desktop
> Status: Asked on the list, but issue still gets ignored by everyone
> Cause: https://git.kernel.org/torvalds/c/e585513b76
> Note: I'm a bit unsure if adding this issue to this list was a good idea.
> 
> Null dereference in rt5677_i2c_probe() (2017-07-17)
> https://bugzilla.kernel.org/show_bug.cgi?id=196397
> Linux-Regression-ID: lr#96bd63
> Status: Patch is available in in asoc-next as commit ddc9e69b9dc2, but
> was not part of the changes to this subsystem that got merged a few days ago
> Cause: https://git.kernel.org/torvalds/c/a36afb0ab6
> Latest: https://bugzilla.kernel.org/show_bug.cgi?id=196397#c6 (2017-07-17)
> 
> [I945GM] Pasted text not shown after mouse middle-click (2017-07-17)
> https://bugs.freedesktop.org/show_bug.cgi?id=101819
> Linux-Regression-ID: lr#d672f3
> Status: could not get reproduced yet
> Note: looks like it's getting ignored
> Latest: https://bugs.freedesktop.org/show_bug.cgi?id=101819#c8 (2017-07-17)
> 
> [Dell xps13 9630] Could not be woken up from suspend-to-idle via usb
> keyboard (2017-07-24)
> https://bugzilla.kernel.org/show_bug.cgi?id=196459
> Linux-Regression-ID: lr#bd29ab
> Status: it's a tracking bug, looks like issue is handled by Intel devs
> already
> Cause: https://git.kernel.org/torvalds/c/33e4f80ee6
> Note: suspend-to-idle is rare
> 
> [lkp-robot] [Btrfs]  28785f70ef: xfstests.generic.273.fail (2017-07-26)
> https://lkml.kernel.org/r/20170726062352.GC4877@yexl-desktop
> Linux-Regression-ID: lr#a7d273
> Status: Seems it gets ignored by everyone
> Cause: https://git.kernel.org/torvalds/c/28785f70ef

We're not ignoring it.  It's that this part of allocation seems to be a
collection of bugs that approximate a correct result, and we're
addressing them individually.  This patch by itself is correct but
uncovered a couple of underlying issues.

-Jeff

-- 
Jeff Mahoney
SUSE Labs

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