* Re: [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a()
2008-11-05 9:02 ` [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a() Andrew Morton
@ 2008-11-05 9:26 ` Alexey Dobriyan
2008-11-05 9:26 ` David Miller
2008-11-05 10:04 ` Milan Kocian
2 siblings, 0 replies; 4+ messages in thread
From: Alexey Dobriyan @ 2008-11-05 9:26 UTC (permalink / raw)
To: Andrew Morton; +Cc: netdev, bugme-daemon, ralf.hildebrandt, stable
On Wed, Nov 05, 2008 at 01:02:47AM -0800, Andrew Morton wrote:
>
> (switched to email. Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
>
> On Wed, 5 Nov 2008 00:38:10 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
>
> > http://bugzilla.kernel.org/show_bug.cgi?id=11955
> >
> > Summary: WARNING: at net/sched/sch_generic.c:219
> > dev_watchdog+0x24b/0x25a()
> > Product: Networking
> > Version: 2.5
> > KernelVersion: 2.6.27.4
> > Platform: All
> > OS/Version: Linux
> > Tree: Mainline
> > Status: NEW
> > Severity: normal
> > Priority: P1
> > Component: Other
> > AssignedTo: acme@ghostprotocols.net
> > ReportedBy: ralf.hildebrandt@charite.de
> >
> >
> > Latest working kernel version: 2.6.27.3
> > Earliest failing kernel version: 2.6.27.4
>
> A regression in -stable.
Absolutely no, unless it is reproducible on every boot.
No bnx2 changes between stables and no net/core/ changes.
> > Distribution: Debian/testing
> > Hardware Environment:
> > Software Environment:
> > Problem Description:
> >
> > Steps to reproduce:
> >
> > In dmesg I found:
> >
> > [28739.530306] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive
> > & transmit flow control ON
> > [221569.991014] ------------[ cut here ]------------
> > [221569.991064] WARNING: at net/sched/sch_generic.c:219
> > dev_watchdog+0x24b/0x25a()
> > [221569.991108] NETDEV WATCHDOG: eth0 (bnx2): transmit timed out
> > [221569.991136] Modules linked in: xt_tcpudp nf_conntrack_ipv4 xt_state
> > nf_conntrack iptable_filter ip_tables x_tables tg3 libphy bnx2 zlib_inflate
> > psmouse crc32 thermal container button processor
> > [221569.991245] Pid: 0, comm: swapper Not tainted 2.6.27.4 #1
> > [221569.991273] [<c012348a>] warn_slowpath+0x6f/0x96
> > [221569.991302] [<c0137685>] hrtimer_reprogram+0x71/0xa4
> > [221569.991332] [<c013772c>] enqueue_hrtimer+0x74/0x100
> > [221569.991360] [<c013807c>] hrtimer_start+0xa3/0x145
> > [221569.991388] [<c011d7e5>] hrtick_start_fair+0x131/0x147
> > [221569.991417] [<c011f06d>] try_to_wake_up+0xbd/0x182
> > [221569.991444] [<c01e5684>] strlcpy+0x11/0x3d
> > [221569.991472] [<c027e5b1>] netdev_drivername+0x2f/0x33
> > [221569.991501] [<c028b208>] dev_watchdog+0x24b/0x25a
> > [221569.991529] [<c011a59c>] __wake_up+0x32/0x42
> > [221569.991556] [<c012bb76>] run_timer_softirq+0x101/0x1b7
> > [221569.991585] [<c028afbd>] dev_watchdog+0x0/0x25a
> > [221569.991612] [<c0127f8a>] __do_softirq+0x87/0xfd
> > [221569.991640] [<c0127f03>] __do_softirq+0x0/0xfd
> > [221569.991667] [<c010666a>] do_softirq+0x7f/0xb1
> > [221569.991695] [<c0127b85>] irq_exit+0x66/0x7a
> > [221569.991721] [<c0111475>] smp_apic_timer_interrupt+0x57/0x82
> > [221569.991752] [<c01e7290>] trace_hardirqs_off_thunk+0xc/0x10
> > [221569.991781] [<c01044f1>] apic_timer_interrupt+0x2d/0x34
> > [221569.991810] [<c01098f9>] mwait_idle+0x36/0x3e
> > [221569.991837] [<c0102a95>] cpu_idle+0x60/0xab
> > [221569.991864] =======================
> > [221569.991887] ---[ end trace f996508cd6a61637 ]---
> > [221570.100912] bnx2: eth0 NIC Copper Link is Down
> >
> >
>
> --
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a()
2008-11-05 9:02 ` [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a() Andrew Morton
2008-11-05 9:26 ` Alexey Dobriyan
@ 2008-11-05 9:26 ` David Miller
2008-11-05 10:04 ` Milan Kocian
2 siblings, 0 replies; 4+ messages in thread
From: David Miller @ 2008-11-05 9:26 UTC (permalink / raw)
To: akpm; +Cc: netdev, bugme-daemon, ralf.hildebrandt, stable
From: Andrew Morton <akpm@linux-foundation.org>
Date: Wed, 5 Nov 2008 01:02:47 -0800
> On Wed, 5 Nov 2008 00:38:10 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
>
> > Latest working kernel version: 2.6.27.3
> > Earliest failing kernel version: 2.6.27.4
>
> A regression in -stable.
I personally suspect the pile of ACPI changes that went into 2.6.27.4
There is nothing in the networking bits that could have even remotely
caused this.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a()
2008-11-05 9:02 ` [Bugme-new] [Bug 11955] New: WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a() Andrew Morton
2008-11-05 9:26 ` Alexey Dobriyan
2008-11-05 9:26 ` David Miller
@ 2008-11-05 10:04 ` Milan Kocian
2 siblings, 0 replies; 4+ messages in thread
From: Milan Kocian @ 2008-11-05 10:04 UTC (permalink / raw)
To: Andrew Morton; +Cc: netdev, bugme-daemon, ralf.hildebrandt, stable
On Wed, Nov 05, 2008 at 01:02:47AM -0800, Andrew Morton wrote:
>
> > [28739.530306] bnx2: eth0 NIC Copper Link is Up, 1000 Mbps full duplex, receive
> > & transmit flow control ON
> > [221569.991014] ------------[ cut here ]------------
> > [221569.991064] WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x24b/0x25a()
Only for your info, it looks like a warning, I posted few days ago.
But trace path is different. (I use e1000e and have disabled hr-timers). I sent
similar warning with 2.6.26.5 kernel.
--
Milan Kocian
^ permalink raw reply [flat|nested] 4+ messages in thread