linux-kernel - Re: 5.1.0-next-20190520 -- emacs segfaults on 32-bit machine Re: 5.2-rc0.8: emacs segfaults?! x220, with 32-bit userland

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Date:   Thu, 23 May 2019 10:57:52 +0200
From:   Pavel Machek <pavel@....cz>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     kernel list <linux-kernel@...r.kernel.org>, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, hpa@...or.com, x86@...nel.org
Subject: Re: 5.1.0-next-20190520 -- emacs segfaults on 32-bit machine Re:
 5.2-rc0.8: emacs segfaults?! x220, with 32-bit userland

Hi!

> > I did not notice any new crashes.
> 
> New crash now; different machine, way -next kernel... and I even have
> a backtrace.

And one more crash, on x220:

pavel@duo:/data/l/linux-next-32$ uname -a
Linux duo 5.2.0-rc1+ #32 SMP Mon May 20 12:51:17 CEST 2019 x86_64
GNU/Linux
pavel@duo:~$ fg
e cip/HOURS
Fatal error 11: Segmentation fault
Backtrace:
emacs[0x8138719]
emacs[0x8120446]
emacs[0x813758e]
emacs[0x81375fb]
/lib/i386-linux-gnu/i686/cmov/libpthread.so.0(+0xecb8)[0xf634fcb8]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(+0xebbf3)[0xf6266bf3]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(pselect+0xd3)[0xf625f363]
emacs[0x81ffdd9]
emacs[0x81c7ba4]
emacs[0x8127815]
emacs[0x812ada3]
emacs[0x812bdad]
emacs[0x812d838]
emacs[0x818b76c]
emacs[0x8120890]
emacs[0x818b66b]
emacs[0x8124b84]
emacs[0x8124e3f]
emacs[0x8059cb0]
/lib/i386-linux-gnu/i686/cmov/libc.so.6(__libc_start_main+0xf3)[0xf6194a63]
emacs[0x805a76f]
^P/data/pavel/bin/e: line 2: 12713 Segmentation fault      (core
dumped) emacs -nw $*
pavel@duo:~$ fg

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

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