From: Andrew Morton <akpm@linux-foundation.org>
To: netdev@vger.kernel.org
Cc: bugme-daemon@bugzilla.kernel.org, johannes@sipsolutions.net
Subject: Re: [Bugme-new] [Bug 12552] New: held lock freed in tcp
Date: Tue, 27 Jan 2009 10:19:07 -0800 [thread overview]
Message-ID: <20090127101907.89833157.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-12552-10286@http.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Tue, 27 Jan 2009 09:59:06 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12552
>
> Summary: held lock freed in tcp
> Product: Networking
> Version: 2.5
> KernelVersion: 2.6.29-rc2-wl-11979-gc32422d-dirty
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: IPV4
> AssignedTo: shemminger@linux-foundation.org
> ReportedBy: johannes@sipsolutions.net
>
>
> Latest working kernel version: ?
> Earliest failing kernel version: ?
> Distribution: debian/unstable
> Hardware Environment: macbook5,1
> Software Environment:
> Problem Description:
>
> Steps to reproduce:
>
> Not always reproducible, I was running iperf against a peer that suddenly lost
> its link due to another bug...
>
> [ 598.850133]
> [ 598.850136] =========================
> [ 598.850141] [ BUG: held lock freed! ]
> [ 598.850143] -------------------------
> [ 598.850147] swapper/0 is freeing memory ffff88007a389300-ffff88007a389c07,
> with a lock still held there!
> [ 598.850151] (&icsk->icsk_retransmit_timer){-+..}, at: [<ffffffff80252080>]
> run_timer_softirq+0x110/0x290
> [ 598.850163] 1 lock held by swapper/0:
> [ 598.850165] #0: (&icsk->icsk_retransmit_timer){-+..}, at:
> [<ffffffff80252080>] run_timer_softirq+0x110/0x290
> [ 598.850173]
> [ 598.850174] stack backtrace:
> [ 598.850178] Pid: 0, comm: swapper Not tainted
> 2.6.29-rc2-wl-11979-gc32422d-dirty #24
> [ 598.850180] Call Trace:
> [ 598.850183] <IRQ> [<ffffffff8027111f>] print_freed_lock_bug+0xbf/0xd0
> [ 598.850193] [<ffffffff80272d34>] debug_check_no_locks_freed+0x74/0xc0
> [ 598.850199] [<ffffffff802d78aa>] kmem_cache_free+0x7a/0xf0
> [ 598.850206] [<ffffffff8053a4a0>] ? tcp_write_timer+0x0/0x220
> [ 598.850211] [<ffffffff804e7206>] sk_free+0x86/0x100
> [ 598.850215] [<ffffffff8053a550>] tcp_write_timer+0xb0/0x220
> [ 598.850219] [<ffffffff8025210a>] run_timer_softirq+0x19a/0x290
> [ 598.850223] [<ffffffff80252080>] ? run_timer_softirq+0x110/0x290
> [ 598.850228] [<ffffffff8024d51d>] __do_softirq+0x9d/0x190
> [ 598.850234] [<ffffffff8020cebc>] call_softirq+0x1c/0x40
> [ 598.850238] [<ffffffff8020e1a5>] do_softirq+0x75/0xc0
> [ 598.850242] [<ffffffff8024d025>] irq_exit+0x85/0xb0
> [ 598.850246] [<ffffffff8020e441>] do_IRQ+0xa1/0x150
> [ 598.850250] [<ffffffff8020c6d3>] ret_from_intr+0x0/0xf
>
>
next parent reply other threads:[~2009-01-27 18:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-12552-10286@http.bugzilla.kernel.org/>
2009-01-27 18:19 ` Andrew Morton [this message]
2009-01-27 18:57 ` [Bugme-new] [Bug 12552] New: held lock freed in tcp Johannes Berg
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