Droid 4 regression in 5.5-rc1, armsoc-soc tree

Pavel Machek
2020-01-02T11:00:30Z

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On Mon 2019-12-30 09:35:07, Tony Lindgren wrote:
> * Pavel Machek <pavel@ucw.cz> [191228 19:37]:
> > Hi!
> >
> > > 5.4-based kernel works ok on my droid 4.
> > >
> > > 5.5-rc3 based kernel has problems; it reboots when I try to kexec it.
> > >
> > > Vanilla 5.5-rc3 reboots, too.
> > >
> > > If you have any ideas, let me know.
> >
> > I managed to get partial serial dump. This should be 5.5-rc3: And then
> > a bit better serial dump (below). But it is silent for few seconds,
> > and then it restarts...
>
> If spi or regulators have problems, nothing will really work..

arm-soc merge seems to be responsible:

bad 38206c24ab09b4f4c2a57de5c1af0bb2e69cf5b6 Merge tag 'armsoc-soc' of
good d9e48dc2a71a836f17d1febbedb31470f957edb4 Merge tag

Pavel

# bad: [738d2902773e30939a982c8df7a7f94293659810] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
# good: [219d54332a09e8d8741c1e1982f5eae56099de85] Linux 5.4
git bisect start '738d2902773e' '219d54332a09'
# bad: [46cf053efec6a3a5f343fead837777efe8252a46] Linux 5.5-rc3
git bisect bad 46cf053efec6a3a5f343fead837777efe8252a46
# bad: [e42617b825f8073569da76dc4510bfa019b1c35a] Linux 5.5-rc1
git bisect bad e42617b825f8073569da76dc4510bfa019b1c35a
# good: [9a3d7fd275be4559277667228902824165153c80] Merge tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
git bisect good 9a3d7fd275be4559277667228902824165153c80
# good: [0b4295b5e2b9b42f3f3096496fe4775b656c9ba6] io_uring: fix a typo in a comment
git bisect good 0b4295b5e2b9b42f3f3096496fe4775b656c9ba6
# good: [056df578c2dcac1e624254567f5df5ddaa223234] Merge tag 'arc-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
git bisect good 056df578c2dcac1e624254567f5df5ddaa223234
# bad: [25cfb0c7de3f14e283a43dcd6de903657f9f98c7] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
git bisect bad 25cfb0c7de3f14e283a43dcd6de903657f9f98c7
# bad: [38206c24ab09b4f4c2a57de5c1af0bb2e69cf5b6] Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
git bisect bad 38206c24ab09b4f4c2a57de5c1af0bb2e69cf5b6
# good: [d9e48dc2a71a836f17d1febbedb31470f957edb4] Merge tag 'pwm/for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
git bisect good d9e48dc2a71a836f17d1febbedb31470f957edb4

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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