Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()

From: Aaro Koskinen
Date: Mon Jun 17 2013 - 01:58:53 EST


Hi,

On Mon, Jun 17, 2013 at 08:32:25AM +0300, Aaro Koskinen wrote:
> On Mon, Jun 17, 2013 at 12:06:00AM +0300, Meelis Roos wrote:
> > Got this in 3.10-rc6 whil testing debian unstable upgrade with aptitude.
> > 3.10-rc5 did not exhibit this (nor any other kernel recently tried,
> > including most -rc's). Does not seem to be reproducible.
>
> I get this regularly on Ultrasparc during long compilations. It's been
> there with all recent kernels (probably at least since 3.8). Latest I
> saw with 3.10-rc5.

Two examples:

[ 417.006586] ------------[ cut here ]------------
[ 417.065813] WARNING: at /home/aaro/los/work/shared/linux-v3.10-rc5/mm/mmap.c:2757 exit_mmap+0x134/0x160()
[ 417.189209] Modules linked in:
[ 417.229203] CPU: 0 PID: 1787 Comm: ld Not tainted 3.10.0-rc5-ultra #1
[ 417.310031] Call Trace:
[ 417.342875] [00000000004b5ef4] exit_mmap+0x134/0x160
[ 417.406941] [000000000044ef40] mmput+0x40/0xe0
[ 417.464591] [0000000000454b38] do_exit+0x1b8/0x800
[ 417.526429] [0000000000455d6c] do_group_exit+0x2c/0xa0
[ 417.592383] [0000000000455df4] SyS_exit_group+0x14/0x20
[ 417.659257] [0000000000406074] linux_sparc_syscall32+0x34/0x40
[ 417.733400] ---[ end trace b92a93fbf6d0204a ]---
[ 417.791913] BUG: Bad rss-counter state mm:fffff8001ebbb740 idx:1 val:1

[ 1674.164634] ------------[ cut here ]------------
[ 1674.218933] WARNING: at /home/aaro/los/work/shared/linux-v3.10-rc5/mm/mmap.c:2757 exit_mmap+0x134/0x160()
[ 1674.333505] Modules linked in:
[ 1674.369872] CPU: 0 PID: 26306 Comm: date Not tainted 3.10.0-rc5-ultra #1
[ 1674.450075] Call Trace:
[ 1674.479245] [00000000004b5ef4] exit_mmap+0x134/0x160
[ 1674.539661] [000000000044ef40] mmput+0x40/0xe0
[ 1674.593827] [0000000000454b38] do_exit+0x1b8/0x800
[ 1674.652140] [0000000000455d6c] do_group_exit+0x2c/0xa0
[ 1674.714630] [0000000000455df4] SyS_exit_group+0x14/0x20
[ 1674.778172] [0000000000406074] linux_sparc_syscall32+0x34/0x40
[ 1674.848993] ---[ end trace 77928f0ca6684101 ]---
[ 1674.904199] BUG: Bad rss-counter state mm:fffff8000f0c9d40 idx:0 val:1

A.
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