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SubjectRe: WARNING: at kernel/workqueue.c:1473 __queue_work+0x3b8/0x3d0
On Fri, Feb 28, 2020 at 10:33:31AM -0500, Daniel Jordan wrote:
> On Fri, Feb 28, 2020 at 12:33:12PM +0000, Will Deacon wrote:
> > On Fri, Feb 21, 2020 at 12:42:23PM -0500, Daniel Jordan wrote:
> > > On Thu, Feb 20, 2020 at 10:03:50AM +0100, Corentin Labbe wrote:
> > > > But I got the same with plain next (like yesterday 5.6.0-rc2-next-20200219 and tomorow 5.6.0-rc2-next-20200220) and master got the same issue.
> > >
> > > Thanks. I've been trying to reproduce this on an arm board but it's taking a
> > > while to get it setup since I've never used it for kernel work.
> > >
> > > Hoping to get it up soon, though someone with a working setup may be in a
> > > better position to help with this.
> >
> > Any joy with this? It sounded to me like the issue also happens on a
> > mainline kernel. If this is the case, have you managed to bisect it?
> I managed to get recent mainline (rawhide) booting days ago but wasn't able to
> reproduce on a rpi 3b+.
> My plan had been to try debug-by-email next, but then something exploded
> internally and I haven't had time for it yet. Still intending to help once the
> explosion is contained, provided someone can't get to it sooner.
> thanks,
> Daniel


I tried to bisect this problem, but the result is:
# bad: [0ecfebd2b52404ae0c54a878c872bb93363ada36] Linux 5.2
git bisect bad 0ecfebd2b52404ae0c54a878c872bb93363ada36
# good: [e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd] Linux 5.1
git bisect good e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
# bad: [a2d635decbfa9c1e4ae15cb05b68b2559f7f827c] Merge tag 'drm-next-2019-05-09' of git://
git bisect bad a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
# bad: [82efe439599439a5e1e225ce5740e6cfb777a7dd] Merge tag 'devicetree-for-5.2' of git://
git bisect bad 82efe439599439a5e1e225ce5740e6cfb777a7dd
# bad: [78438ce18f26dbcaa8993bb45d20ffb0cec3bc3e] Merge branch 'stable-fodder' of git://
git bisect bad 78438ce18f26dbcaa8993bb45d20ffb0cec3bc3e
# good: [275b103a26e218b3d739e5ab15be6b40303a1428] Merge tag 'edac_for_5.2' of git://
git bisect good 275b103a26e218b3d739e5ab15be6b40303a1428
# bad: [962d5ecca101e65175a8cdb1b91da8e1b8434d96] Merge tag 'regmap-v5.2' of git://
git bisect bad 962d5ecca101e65175a8cdb1b91da8e1b8434d96
# good: [181a9096717b8d2128eb1162d07a4f4ee0f9f4b8] crypto: ccree - Make cc_sec_disable static
git bisect good 181a9096717b8d2128eb1162d07a4f4ee0f9f4b8
# good: [5d9e8b3f809f1c12e32fea7061ad2319d2848600] hwmon: (lm25066) Support SAMPLES_FOR_AVG register
git bisect good 5d9e8b3f809f1c12e32fea7061ad2319d2848600
# good: [7aefd944f038c7469571adb37769cb6f3924ecfa] Merge tag 'hwmon-for-v5.2' of git://
git bisect good 7aefd944f038c7469571adb37769cb6f3924ecfa
# good: [c660a81796d456f0769937dd3ecf4cfd30f0ece6] selftests/kexec: define "require_root_privileges"
git bisect good c660a81796d456f0769937dd3ecf4cfd30f0ece6
# good: [d917fb876f6eaeeea8a2b620d2a266ce26372f4d] selftests: build and run gpio when output directory is the src dir
git bisect good d917fb876f6eaeeea8a2b620d2a266ce26372f4d
# good: [615c4d9a50e25645646c3bafa658aedc22ab7ca9] Merge branch 'regmap-5.2' into regmap-next
git bisect good 615c4d9a50e25645646c3bafa658aedc22ab7ca9
# good: [e59f755ceb6d6f39f90899d2a4e39c3e05837e12] crypto: ccree - use a proper le32 type for le32 val
git bisect good e59f755ceb6d6f39f90899d2a4e39c3e05837e12
# bad: [71ae5fc87c34ecbdca293c2a5c563d6be2576558] Merge tag 'linux-kselftest-5.2-rc1' of git://
git bisect bad 71ae5fc87c34ecbdca293c2a5c563d6be2576558
# bad: [81ff5d2cba4f86cd850b9ee4a530cd221ee45aa3] Merge branch 'linus' of git://
git bisect bad 81ff5d2cba4f86cd850b9ee4a530cd221ee45aa3
# first bad commit: [81ff5d2cba4f86cd850b9ee4a530cd221ee45aa3] Merge branch 'linus' of git://

The only interesting thing I see in this MR is: "Add fuzz testing to testmgr"

But this wont help.


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