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Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47

Started byBorislav Petkov <bp@alien8.de>
First post2017-06-26 13:00 +0200
Last post2017-07-06 15:00 +0200
Articles 7 — 3 participants

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  Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Borislav Petkov <bp@alien8.de> - 2017-06-26 13:00 +0200
    Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Borislav Petkov <bp@alien8.de> - 2017-06-28 00:30 +0200
      Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Meelis Roos <mroos@linux.ee> - 2017-06-28 06:50 +0200
      Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Meelis Roos <mroos@linux.ee> - 2017-06-28 12:30 +0200
        Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Thomas Gleixner <tglx@linutronix.de> - 2017-07-03 12:50 +0200
          Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Meelis Roos <mroos@linux.ee> - 2017-07-03 13:40 +0200
      Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47 Meelis Roos <mroos@linux.ee> - 2017-07-06 15:00 +0200

#1674635 — Re: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47

FromBorislav Petkov <bp@alien8.de>
Date2017-06-26 13:00 +0200
SubjectRe: 4.12.0-rc5+git: kernel BUG at arch/x86/mm/highmem_32.c:47
Message-ID<tWzUl-1iY-9@gated-at.bofh.it>
On Sat, Jun 24, 2017 at 11:39:58PM +0300, Meelis Roos wrote:
> This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> was the first kernel after 4.11 that I tried and the problem happened 
> while compiling next kernel from git.

I can't reproduce this in a guest. Can you send .config please?

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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#1676221

FromBorislav Petkov <bp@alien8.de>
Date2017-06-28 00:30 +0200
Message-ID<tX79E-6RF-21@gated-at.bofh.it>
In reply to#1674635
On Tue, Jun 27, 2017 at 06:49:14PM +0300, Meelis Roos wrote:
> > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > was the first kernel after 4.11 that I tried and the problem happened 
> > > while compiling next kernel from git.
> > 
> > I can't reproduce this in a guest. Can you send .config please?
> 
> Here it is.

Thanks.

So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
either can't reproduce in the guest or I need to try linux-next. Well,
tomorrow...

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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#1676368

FromMeelis Roos <mroos@linux.ee>
Date2017-06-28 06:50 +0200
Message-ID<tXd5n-2b5-3@gated-at.bofh.it>
In reply to#1676221
> > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > while compiling next kernel from git.
> > > 
> > > I can't reproduce this in a guest. Can you send .config please?
> > 
> > Here it is.
> 
> Thanks.
> 
> So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> either can't reproduce in the guest or I need to try linux-next. Well,
> tomorrow...

It booted on my physical machine too, and trouble happened during 
compilation on both CPUs with make -j2.

On next try it just rebooted.

-- 
Meelis Roos (mroos@linux.ee)

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#1676525

FromMeelis Roos <mroos@linux.ee>
Date2017-06-28 12:30 +0200
Message-ID<tXiop-5z2-7@gated-at.bofh.it>
In reply to#1676221
> On Tue, Jun 27, 2017 at 06:49:14PM +0300, Meelis Roos wrote:
> > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > while compiling next kernel from git.
> > > 
> > > I can't reproduce this in a guest. Can you send .config please?
> > 
> > Here it is.
> 
> Thanks.
> 
> So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> either can't reproduce in the guest or I need to try linux-next. Well,
> tomorrow...

I verified that when running 4.11.0, make clean && make -j2 finishes 
successfully.

Will start bisecting.

-- 
Meelis Roos (mroos@linux.ee)

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#1679875

FromThomas Gleixner <tglx@linutronix.de>
Date2017-07-03 12:50 +0200
Message-ID<tZ75w-ba-5@gated-at.bofh.it>
In reply to#1676525
On Wed, 28 Jun 2017, Meelis Roos wrote:
> > On Tue, Jun 27, 2017 at 06:49:14PM +0300, Meelis Roos wrote:
> > > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > > while compiling next kernel from git.
> > > > 
> > > > I can't reproduce this in a guest. Can you send .config please?
> > > 
> > > Here it is.
> > 
> > Thanks.
> > 
> > So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> > either can't reproduce in the guest or I need to try linux-next. Well,
> > tomorrow...
> 
> I verified that when running 4.11.0, make clean && make -j2 finishes 
> successfully.
> 
> Will start bisecting.

Any update on this?

Thanks,

	tglx

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#1679921

FromMeelis Roos <mroos@linux.ee>
Date2017-07-03 13:40 +0200
Message-ID<tZ7RT-J4-7@gated-at.bofh.it>
In reply to#1679875
> On Wed, 28 Jun 2017, Meelis Roos wrote:
> > > On Tue, Jun 27, 2017 at 06:49:14PM +0300, Meelis Roos wrote:
> > > > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > > > while compiling next kernel from git.
> > > > > 
> > > > > I can't reproduce this in a guest. Can you send .config please?
> > > > 
> > > > Here it is.
> > > 
> > > Thanks.
> > > 
> > > So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> > > either can't reproduce in the guest or I need to try linux-next. Well,
> > > tomorrow...
> > 
> > I verified that when running 4.11.0, make clean && make -j2 finishes 
> > successfully.
> > 
> > Will start bisecting.
> 
> Any update on this?

Still bisecting.

There are actually 3 failure modes:
1. these messages
2. just reboot
3. hang with task hung timeout ot startup or shutdown (during reboot) - 3 of these so far.

I have tried bisecting 1 and 2 together. So far I have this:

git bisect start
# bad: [a090bd4ff8387c409732a8e059fbf264ea0bdd56] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect bad a090bd4ff8387c409732a8e059fbf264ea0bdd56
# good: [a351e9b9fc24e982ec2f0e76379a49826036da12] Linux 4.11
git bisect good a351e9b9fc24e982ec2f0e76379a49826036da12
# good: [4c174688ee92805aa5df6e06e5b625a3286e415c] Merge tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
git bisect good 4c174688ee92805aa5df6e06e5b625a3286e415c
# good: [36c344f3f1ffc0b1b20abd237b7401dc6687ee8f] Merge tag 'kvm-arm-for-v4.12-round2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
git bisect good 36c344f3f1ffc0b1b20abd237b7401dc6687ee8f
# good: [ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
git bisect good ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36
# bad: [cdbe0206783b4e86abb0150303f137e448b5e531] Merge tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
git bisect bad cdbe0206783b4e86abb0150303f137e448b5e531
# bad: [16d95c43965d287987505bbd875e59e5b3c9b131] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
git bisect bad 16d95c43965d287987505bbd875e59e5b3c9b131
# good: [a34ab101a9d27a2995142b47f9857fb46fcb072a] Merge tag 'drm-fixes-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux
git bisect good a34ab101a9d27a2995142b47f9857fb46fcb072a
# bad: [cd636458904a04de2349c728323c5d2af1203bdf] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
git bisect bad cd636458904a04de2349c728323c5d2af1203bdf
# skip: [6b402bdfdbafce241cb6789ae38d94f45641078c] Merge tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
git bisect skip 6b402bdfdbafce241cb6789ae38d94f45641078c
# good: [c67c06939ee4a24fcad1235dd9632153533fdd4d] power: supply: max17042_battery: Use sign_extend32 instead of DIY code
git bisect good c67c06939ee4a24fcad1235dd9632153533fdd4d
# good: [917362135b8a5c0680acf08807e9fc6179eb6c79] power: supply: max17042_battery: Add default platform_data fallback data
git bisect good 917362135b8a5c0680acf08807e9fc6179eb6c79
# good: [2be83da85a64773efaa407639de81bd1377f880e] thermal: devfreq_cooling: add new interface for direct power read
git bisect good 2be83da85a64773efaa407639de81bd1377f880e
# good: [a6128f47f7940d8388ca7c8623fbe24e52f8fae6] Merge branches 'thermal-core' and 'thermal-intel' into next
git bisect good a6128f47f7940d8388ca7c8623fbe24e52f8fae6
# bad: [deac8429d62ca19c1571853e2a18f60e760ee04c] Merge tag 'sound-fix-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
git bisect bad deac8429d62ca19c1571853e2a18f60e760ee04c

Additionally, 6a776e47a045 seems to be bad (just had failure during 
complation).

Some something between a6128f47f7940d8388ca7c8623fbe24e52f8fae6 and 
6a776e47a045 it seems.

-- 
Meelis Roos (mroos@linux.ee)

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#1682406

FromMeelis Roos <mroos@linux.ee>
Date2017-07-06 15:00 +0200
Message-ID<u0exY-4pY-19@gated-at.bofh.it>
In reply to#1676221
> > > > This is 4.12.0-rc5-00137-ga090bd4ff838 on a dual AthlonMP server tha has 
> > > > been running fine until 4.11.0 included. 4.12.0-rc5-00137-ga090bd4ff838 
> > > > was the first kernel after 4.11 that I tried and the problem happened 
> > > > while compiling next kernel from git.
> > > 
> > > I can't reproduce this in a guest. Can you send .config please?
> > 
> > Here it is.
> 
> Thanks.
> 
> So plain 4.12.0-rc7 booted all the way in the athlon guest here. So I
> either can't reproduce in the guest or I need to try linux-next. Well,
> tomorrow...

Meanwhile I saw a patch fixing something in mm/highmem_32.c and tried 
4.12 release. And it works fine now, has been compiling more than 24h.

Bisect log I did not understand:

git bisect start
# bad: [a090bd4ff8387c409732a8e059fbf264ea0bdd56] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
git bisect bad a090bd4ff8387c409732a8e059fbf264ea0bdd56
# good: [a351e9b9fc24e982ec2f0e76379a49826036da12] Linux 4.11
git bisect good a351e9b9fc24e982ec2f0e76379a49826036da12
# good: [4c174688ee92805aa5df6e06e5b625a3286e415c] Merge tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
git bisect good 4c174688ee92805aa5df6e06e5b625a3286e415c
# good: [36c344f3f1ffc0b1b20abd237b7401dc6687ee8f] Merge tag 'kvm-arm-for-v4.12-round2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
git bisect good 36c344f3f1ffc0b1b20abd237b7401dc6687ee8f
# good: [ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36] Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
git bisect good ac3c4aa248c5b5390c40fad1ceb0a15a53f57a36
# bad: [cdbe0206783b4e86abb0150303f137e448b5e531] Merge tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
git bisect bad cdbe0206783b4e86abb0150303f137e448b5e531
# bad: [16d95c43965d287987505bbd875e59e5b3c9b131] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
git bisect bad 16d95c43965d287987505bbd875e59e5b3c9b131
# good: [a34ab101a9d27a2995142b47f9857fb46fcb072a] Merge tag 'drm-fixes-for-v4.12-rc1' of git://people.freedesktop.org/~airlied/linux
git bisect good a34ab101a9d27a2995142b47f9857fb46fcb072a
# bad: [cd636458904a04de2349c728323c5d2af1203bdf] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
git bisect bad cd636458904a04de2349c728323c5d2af1203bdf
# skip: [6b402bdfdbafce241cb6789ae38d94f45641078c] Merge tag 'for-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
git bisect skip 6b402bdfdbafce241cb6789ae38d94f45641078c
# good: [c67c06939ee4a24fcad1235dd9632153533fdd4d] power: supply: max17042_battery: Use sign_extend32 instead of DIY code
git bisect good c67c06939ee4a24fcad1235dd9632153533fdd4d
# good: [917362135b8a5c0680acf08807e9fc6179eb6c79] power: supply: max17042_battery: Add default platform_data fallback data
git bisect good 917362135b8a5c0680acf08807e9fc6179eb6c79
# good: [2be83da85a64773efaa407639de81bd1377f880e] thermal: devfreq_cooling: add new interface for direct power read
git bisect good 2be83da85a64773efaa407639de81bd1377f880e
# good: [a6128f47f7940d8388ca7c8623fbe24e52f8fae6] Merge branches 'thermal-core' and 'thermal-intel' into next
git bisect good a6128f47f7940d8388ca7c8623fbe24e52f8fae6
# bad: [deac8429d62ca19c1571853e2a18f60e760ee04c] Merge tag 'sound-fix-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
git bisect bad deac8429d62ca19c1571853e2a18f60e760ee04c
# bad: [6a776e47a045462a1df1a3a9592598259ffd614f] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
git bisect bad 6a776e47a045462a1df1a3a9592598259ffd614f
# good: [bcb7dd9ef206f7d646ed8dac6fe7772083714253] thermal: bcm2835: add thermal driver for bcm2835 SoC
git bisect good bcb7dd9ef206f7d646ed8dac6fe7772083714253
# good: [05d7839aa290901429d8edcd8f7974c9df2bcaa5] thermal: mt8173: minor mtk_thermal.c cleanups
git bisect good 05d7839aa290901429d8edcd8f7974c9df2bcaa5
# good: [bb4d5e38decf3f3c6bf170d19603949abb4d4b99] Merge branch 'backup-thermal-shutdown' into next
git bisect good bb4d5e38decf3f3c6bf170d19603949abb4d4b99
# good: [cb15c81a0c1c1f7829b9809a209ecacc77f5aa63] Merge branch 'thermal-soc' into next
git bisect good cb15c81a0c1c1f7829b9809a209ecacc77f5aa63
# first bad commit: [6a776e47a045462a1df1a3a9592598259ffd614f] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux

-- 
Meelis Roos (mroos@linux.ee)

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