netdev - Re: [Bugme-new] [Bug 12971] New: "tg3 transmit timed out" when transmitting at high bitrate

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Date:	Wed, 15 Apr 2009 16:05:41 -0700
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	"Nikolay Dobrev" <dobrev666@...il.com>
cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"bugme-daemon@...zilla.kernel.org" <bugme-daemon@...zilla.kernel.org>,
	"Matthew Carlson" <mcarlson@...adcom.com>,
	"Michael Chan" <mchan@...adcom.com>
Subject: Re: [Bugme-new] [Bug 12971] New: "tg3 transmit timed out" when
 transmitting at high bitrate

On Thu, Apr 02, 2009 at 01:36:23AM -0700, Nikolay Dobrev wrote:
> Hi,
> 
> On Thu, Apr 2, 2009 at 2:43 AM, Andrew Morton <akpm@...ux-foundation.org<mailto:akpm@...ux-foundation.org>> wrote:
> 
> (switched to email.  Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
> 
> On Sun, 29 Mar 2009 18:02:04 GMT
> bugzilla-daemon@...zilla.kernel.org<mailto:bugzilla-daemon@...zilla.kernel.org> wrote:
> 
> > http://bugzilla.kernel.org/show_bug.cgi?id=12971
> >
> >            Summary: "tg3 transmit timed out" when transmitting at high
> >                     bitrate
> >            Product: Drivers
> >            Version: 2.5
> >     Kernel Version: 2.6.29
> >           Platform: All
> >         OS/Version: Linux
> >               Tree: Mainline
> >             Status: NEW
> >           Severity: normal
> >           Priority: P1
> >          Component: Network
> >         AssignedTo: drivers_network@...nel-bugs.osdl.org<mailto:drivers_network@...nel-bugs.osdl.org>
> >         ReportedBy: dobrev666@...il.com<mailto:dobrev666@...il.com>
> >         Regression: No
> >
> >
> > I have laptop - HP compaq 6715s with broadcom lan card (from lspci):
> > 10:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5906M Fast
> > Ethernet PCI Express (rev 02). I am using slackware 12.2. I compiled kernel
> > 2.6.29 from kernel.org<http://kernel.org>.
> >
> > When I try to copy a file trough the LAN from this laptop with a command like
> > this:
> > scp test.bin 192.168.0.1:/tmp
> >
> > Some MBytes are copied and the transmit stops and there is some messages in
> > dmesg:
> >
> > WARNING: at net/sched/sch_generic.c:226 dev_watchdog+0x1c2/0x1d0()
> > Hardware name: HP Compaq 6715s (GR897ES#ABB)
> > NETDEV WATCHDOG: eth0 (tg3): transmit timed out
> > Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
> > snd_seq_devic
> > e snd_pcm_oss snd_mixer_oss ipv6 cpufreq_stats powernow_k8 freq_table ppdev lp
> > parpor
> > t_pc parport fuse snd_hda_codec_analog pcmcia snd_hda_intel snd_hda_codec tg3
> > fan yen
> > ta_socket snd_hwdep video rsrc_nonstatic rtc_cmos snd_pcm thermal output
> > rtc_core pcm
> > cia_core ati_agp processor libphy rtc_lib psmouse i2c_piix4 agpgart container
> > snd_tim
> > er snd thermal_sys sg serio_raw evdev button battery ac wmi shpchp soundcore
> > k8temp s
> > nd_page_alloc hwmon
> > Pid: 0, comm: swapper Not tainted 2.6.29-smp #1
> > Call Trace:
> >  [<c01294b6>] warn_slowpath+0x86/0xa0
> >  [<c0120030>] ? sd_init_MC+0xa0/0xd0
> >  [<c0120fce>] ? __enqueue_entity+0x8e/0xb0
> >  [<c03a483f>] ? cpumask_next_and+0x1f/0x40
> >  [<c012260a>] ? find_busiest_group+0x18a/0x710
> >  [<c011f8e5>] ? enqueue_task+0x15/0x30
> >  [<c03a94ed>] ? strlcpy+0x1d/0x60
> >  [<c06bfc02>] dev_watchdog+0x1c2/0x1d0
> >  [<c014320b>] ? getnstimeofday+0x4b/0x120
> >  [<c01320f4>] run_timer_softirq+0x124/0x190
> >  [<c06bfa40>] ? dev_watchdog+0x0/0x1d0
> >  [<c012e03a>] __do_softirq+0x8a/0x150
> >  [<c0132614>] ? update_process_times+0x54/0x70
> >  [<c012e13b>] do_softirq+0x3b/0x50
> >  [<c012e47b>] irq_exit+0x3b/0x50
> >  [<c011467e>] smp_apic_timer_interrupt+0x5e/0x90
> >  [<c0103940>] apic_timer_interrupt+0x28/0x30
> >  [<c0109978>] ? default_idle+0x38/0x50
> >  [<c0109b80>] c1e_idle+0x90/0xf0
> >  [<c0109b91>] ? c1e_idle+0xa1/0xf0
> >  [<c0101bea>] cpu_idle+0x4a/0x70
> >  [<c072f705>] rest_init+0x55/0x60
> > ---[ end trace 0c67ed7bcfb14db6 ]---
> > tg3: eth0: transmit timed out, resetting
> > tg3: DEBUG: MAC_TX_STATUS[00000008] MAC_RX_STATUS[00000000]
> > tg3: DEBUG: RDMAC_STATUS[00000000] WDMAC_STATUS[00000000]
> > tg3: tg3_stop_block timed out, ofs=1400 enable_bit=2
> > tg3: tg3_stop_block timed out, ofs=c00 enable_bit=2
> > tg3: tg3_stop_block timed out, ofs=4800 enable_bit=2
> > tg3: eth0: Link is down.
> > tg3: eth0: Link is up at 100 Mbps, full duplex.
> > tg3: eth0: Flow control is on for TX and on for RX.
> >
> > After that I cannot send or receive any data through the LAN. There is no ping
> > to anywhere.
> > These commands fix the problem:
> >
> > ip l set dev eth0 down
> > ip l set dev eth0 up
> >
> > And when I execute `scp test.bin 192.168.0.1:/tmp` there is no network again.
> >
> > But this laptop has no problems when receiving data. I can copy with scp from
> > other PC connected to the same lan with 11Mbytes/s.
> >
> > I have search the web to find a solution with no success.
> > I have tried some kernel options like "irqpoll" and "acpi=off" with no success.
> 
> I assume that 2.6.28 was OK, and that this is a regression?
> 
> I have not tried 2.6.28, but 2.6.27.9 and there is no difference. If you wish I can try 2.6.28. If you need additional information I will try to send it.

Does the problem go away if you try "pcie_aspm=off"?

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