linux-kernel - Re: sparc64 WARNING: at mm/mmap.c:2757 exit

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Date:	Tue, 19 Aug 2014 11:22:16 +0300 (EEST)
From:	Meelis Roos <mroos@...ux.ee>
To:	David Miller <davem@...emloft.net>
cc:	aaro.koskinen@....fi, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org, hughd@...gle.com,
	cat.schulze@...ce-dsl.net
Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()


Meanwhile, a Ultra 1 with overnight looping git clone got exit_mmap 
warning again with 3.17.0-rc1. Otherwise it is working good.

[11052.686935] ------------[ cut here ]------------
[11052.740486] WARNING: CPU: 0 PID: 2541 at mm/mmap.c:2766 exit_mmap+0x138/0x160()
[11052.827934] Modules linked in: osst snd_sun_cs4231 snd_pcm snd_timer snd soundcore parport_sunbpp parport st ch qlogicpti sunhme ipv6 sr_mod cdrom sg evdev
[11052.994500] CPU: 0 PID: 2541 Comm: git Not tainted 3.17.0-rc1 #49
[11053.067464] Call Trace:
[11053.096647]  [00000000004d1758] exit_mmap+0x138/0x160
[11053.157091]  [000000000044c1ec] mmput+0x2c/0xc0
[11053.211256]  [000000000044e168] exit_mm+0x108/0x180
[11053.269597]  [000000000044f908] do_exit+0x228/0x320
[11053.327935]  [000000000044fae4] do_group_exit+0x24/0xc0
[11053.390440]  [000000000044fb94] SyS_exit_group+0x14/0x20
[11053.454004]  [0000000000406074] linux_sparc_syscall32+0x34/0x60
[11053.524809] ---[ end trace 7b6188ceaeca01dd ]---
[11053.580132] BUG: Bad rss-counter state mm:ffffff0032c778c0 idx:0 val:7

-- 
Meelis Roos (mroos@...ux.ee)
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