Re: 38-git2-6 -- kernel/futex.c warning

From: Darren Hart
Date: Sat Mar 19 2011 - 05:04:28 EST




On 03/18/2011 12:58 PM, David Miller wrote:
From: Pete Clements<clem@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Mar 2011 15:32:05 -0400 (EDT)

Fyi. Have been experiencing the below since 38-git2. Continual scrolling
such that cannot complete system startup. System is i386 UP, Debian "squeeze".

Looks similar to the problems reported by Meelis, CC:'d

yes, and the same answer, see Steven Rostedts patch set from March 17th:

[PATCH 0/2 v2] [GIT PULL] futex: Fix WARN_ON trigging on UP

--
Darren


WARNING: at kernel/futex.c:786 wake_futex+0x21/0x70()
Hardware name: XPST450
Modules linked in: ipv6
Pid: 1045, comm: rndc Not tainted 2.6.38-git6 #1
Call Trace:
[<c101eba8>] ? warn_slowpath_common+0x78/0xb0
[<c1040b21>] ? wake_futex+0x21/0x70
[<c1040b21>] ? wake_futex+0x21/0x70
[<c101ebf9>] ? warn_slowpath_null+0x19/0x20
[<c1040b21>] ? wake_futex+0x21/0x70
[<c10429d9>] ? do_futex+0x629/0x950
[<c108f2a3>] ? d_kill+0x73/0xd0
[<c1042d78>] ? sys_futex+0x78/0x130
[<c107c2dd>] ? filp_close+0x4d/0x80
[<c11fa8bd>] ? syscall_call+0x7/0xb
---[ end trace 595c935fe53c9cd0 ]---

--
Pete Clements
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--
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
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