linux-kernel - Re: linux-next: Tree for May 26 (RCU stalls)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <BANLkTink15DRi6WJT2g07zd6-=MtW2hODw@mail.gmail.com>
Date:	Thu, 26 May 2011 17:48:32 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: linux-next: Tree for May 26 (RCU stalls)

On Thu, May 26, 2011 at 8:39 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi all,
>
> [The kernel.org mirroring is being slow today]
>
> Changes since 20110525:
>
> Linus' tree gained a build failure for which I applied a patch.
>
> The m68knommu tree lost its conflicts.
>
> The hwmon-staging lost its conflict.
>
> The wireless lost its conflict.
>
> The mmc lost its conflict.
>
> The dwmw2-iommu tree lost its conflict.
>
> The kvm tree still had its build failure so I used the version from
> next-20110524.
>
> The namespace lost its conflicts.
>
> ----------------------------------------------------------------------------
>

Hi,

I see these call-traces on x86 UP machine:

[  240.268061] INFO: task rcun0:8 blocked for more than 120 seconds.
[  240.268069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  240.268072] rcun0           D 00000000     0     8      2 0x00000000
[  240.268079]  f6473fb8 00000046 013131b6 00000000 c1461ac0 00000000
00000000 c1461ac0
[  240.268089]  00000000 00000000 f645dc70 f645bf60 00000003 f6473f78
c102a570 f6473f9c
[  240.268097]  c1021476 00000000 f645bf6c 00000001 00000000 00000286
f6473f9c c129b35a
[  240.268106] Call Trace:
[  240.268121]  [<c102a570>] ? default_wake_function+0xb/0xd
[  240.268127]  [<c1021476>] ? __wake_up_common+0x33/0x5b
[  240.268134]  [<c129b35a>] ? _raw_spin_unlock_irqrestore+0xe/0x10
[  240.268140]  [<c10234ed>] ? complete+0x34/0x3e
[  240.268147]  [<c1074d23>] ? cpumask_weight+0xc/0xc
[  240.268157]  [<c1044c97>] kthread+0x53/0x67
[  240.268162]  [<c1044c44>] ? kthread_worker_fn+0x111/0x111
[  240.268169]  [<c12a123e>] kernel_thread_helper+0x6/0xd

dmesg and kernel-config are attached.

- Sedat -

View attachment "dmesg_2.6.39-next20110526.1-686-small.txt" of type "text/plain" (62986 bytes)

Download attachment "config-2.6.39-next20110526.1-686-small" of type "application/octet-stream" (88512 bytes)