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

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Date:	Sat, 24 May 2014 23:02:28 +0300 (EEST)
From:	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
Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()

This is todays fresh git with 3.15.0-rc6-00190-g1ee1cea on V210, THP 
enabled & always on. Got this and a segfault on apt-spawned xz.

[  142.599575] ------------[ cut here ]------------
[  142.660349] WARNING: CPU: 1 PID: 2237 at mm/mmap.c:2741 exit_mmap+0x140/0x160()
[  142.756483] Modules linked in: ipv6 tg3 hwmon ptp pps_core
[  142.830269] CPU: 1 PID: 2237 Comm: aptitude Not tainted 3.15.0-rc6-00190-g1ee1cea #93
[  142.933226] Call Trace:
[  142.965358]  [000000000045a12c] warn_slowpath_common+0x4c/0x80
[  143.042074]  [00000000004e7a40] exit_mmap+0x140/0x160
[  143.108410]  [00000000004586a0] mmput.part.60+0x20/0xe0
[  143.177030]  [000000000045af3c] exit_mm+0x11c/0x180
[  143.241071]  [000000000045c920] do_exit+0x240/0x340
[  143.305134]  [000000000045cb48] do_group_exit+0x28/0xc0
[  143.373753]  [0000000000468ac8] get_signal_to_deliver+0x1c8/0x3a0
[  143.453819]  [0000000000449334] do_signal32+0x14/0x220
[  143.521292]  [000000000042d0e0] do_signal+0x2c0/0x520
[  143.587624]  [000000000042db40] do_notify_resume+0x40/0x60
[  143.659683]  [0000000000404b04] __handle_signal+0xc/0x2c
[  143.729448] ---[ end trace b34008751438e7e6 ]---
[  143.790182] BUG: Bad rss-counter state mm:fffffc000d9d3660 idx:1 val:1


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