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From: Matt Mackall <mpm@selenic.com>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>,
	Jeff Garzik <jgarzik@pobox.com>,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	netdev@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: recent -git: BUG in free_thread_xstate
Date: Wed, 23 Jul 2008 18:53:55 -0500	[thread overview]
Message-ID: <1216857235.15519.189.camel@calx> (raw)
In-Reply-To: <19f34abd0807231620q6d870bc0k74d176c9e5253ff3@mail.gmail.com>


On Thu, 2008-07-24 at 01:20 +0200, Vegard Nossum wrote:
> >> +extern void warn_on_slowpath(const char *file, int line);

Mmm, fun.

> >>  [<c013496f>] warn_on_slowpath+0x4f/0x70
> >>  [<c0198041>] ? check_bytes_and_report+0x21/0xc0
> >>  [<c04a8544>] ? __kfree_skb+0x34/0x80
> >>  [<c0198041>] ? check_bytes_and_report+0x21/0xc0
> >>  [<c01983ef>] ? check_object+0xdf/0x1f0
> >>  [<c0198041>] ? check_bytes_and_report+0x21/0xc0
> >>  [<c04a8544>] ? __kfree_skb+0x34/0x80
> >>  [<c01983ef>] ? check_object+0xdf/0x1f0
> >>  [<c04bbafc>] ? find_skb+0x3c/0x80
> >>  [<c04a9f7e>] skb_copy_and_csum_dev+0xee/0x100
> >>  [<c03539d7>] rtl8139_start_xmit+0x57/0x130
> >>  [<c019a84b>] ? __kmalloc_track_caller+0x8b/0x120
> >>  [<c04bba6e>] netpoll_send_skb+0x14e/0x1a0
> >>  [<c04bbf54>] netpoll_send_udp+0x1e4/0x210

Trying to warn_on from inside a network driver from inside netpoll may
cause trouble.

-- 
Mathematics is the supreme nostalgia of our time.


  reply	other threads:[~2008-07-24  0:08 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-23 20:07 recent -git: BUG in free_thread_xstate Vegard Nossum
2008-07-23 20:23 ` Vegard Nossum
2008-07-23 20:28   ` Vegard Nossum
2008-07-23 21:35     ` Vegard Nossum
2008-07-23 20:31 ` Suresh Siddha
2008-07-23 20:39   ` Vegard Nossum
2008-07-23 20:52   ` Vegard Nossum
2008-07-23 21:22     ` Dmitry Adamushko
2008-07-23 21:35       ` Dmitry Adamushko
2008-07-23 21:45         ` Vegard Nossum
2008-07-23 22:01           ` Dmitry Adamushko
2008-07-23 22:05             ` Vegard Nossum
2008-07-23 22:45               ` Vegard Nossum
2008-07-23 22:50                 ` Vegard Nossum
2008-07-23 23:20                   ` Vegard Nossum
2008-07-23 23:53                     ` Matt Mackall [this message]
2008-07-24  0:02                       ` Vegard Nossum
2008-07-23 21:22   ` Vegard Nossum
2008-07-23 22:42     ` Max Krasnyansky
2008-08-01 21:10   ` Paul E. McKenney
2008-08-08 18:46     ` Vegard Nossum
2008-08-08 20:40       ` Paul E. McKenney

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