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SubjectRe: [PATCH] r8169: Fix rtl8169_rx_interrupt()
On (03/16/10 16:05), Eric Dumazet wrote:
> > Nope!
> > Here it is:
> >
> >
> > [17250.998293] ------------[ cut here ]------------
> > [17250.998305] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0xc1/0x125()
> > [17250.998308] Hardware name: F3JC
> > [17250.998312] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
> > [17250.998315] Modules linked in: pktgen ppp_async crc_ccitt ipv6 ppp_generic slhc snd_hwdep snd_hda_codec_si3054 snd_hda_codec_realtek sdhci_pci sdhci asus_laptop sparse_keymap
> > mmc_core led_class snd_hda_intel snd_hda_codec snd_pcm snd_timer snd_page_alloc rng_core sg evdev i2c_i801 snd soundcore psmouse r8169 serio_raw mii uhci_hcd ehci_hcd sr_mod
> > usbcore cdrom sd_mod ata_piix
> > [17250.998371] Pid: 3985, comm: kpktgend_0 Tainted: G W 2.6.34-rc1-dbg-git6-r8169 #46
> > [17250.998375] Call Trace:
> > [17250.998383] [<c102e353>] warn_slowpath_common+0x65/0x7c
> > [17250.998388] [<c126b654>] ? dev_watchdog+0xc1/0x125
> > [17250.998393] [<c102e39e>] warn_slowpath_fmt+0x24/0x27
> > [17250.998398] [<c126b654>] dev_watchdog+0xc1/0x125
> > [17250.998405] [<c1036bbb>] ? run_timer_softirq+0x120/0x1eb
> > [17250.998411] [<c1036c11>] run_timer_softirq+0x176/0x1eb
> > [17250.998416] [<c1036bbb>] ? run_timer_softirq+0x120/0x1eb
> > [17250.998421] [<c126b593>] ? dev_watchdog+0x0/0x125
> > [17250.998426] [<c1032df9>] __do_softirq+0x8d/0x117
> > [17250.998431] [<c1032eae>] do_softirq+0x2b/0x43
> > [17250.998436] [<c1032fd3>] irq_exit+0x38/0x75
> > [17250.998442] [<c1014e75>] smp_apic_timer_interrupt+0x66/0x74
> > [17250.998448] [<c12c812a>] apic_timer_interrupt+0x36/0x3c
> > [17250.998457] [<c1185d18>] ? do_raw_spin_trylock+0x28/0x37
> > [17250.998464] [<c12c7101>] _raw_spin_lock+0x2f/0x58
> > [17250.998472] [<f80855ca>] ? spin_lock+0x8/0xa [pktgen]
> > [17250.998478] [<f80855ca>] spin_lock+0x8/0xa [pktgen]
> > [17250.998484] [<f80873b6>] pktgen_thread_worker+0x9b/0x631 [pktgen]
> > [17250.998491] [<c103f9f1>] ? autoremove_wake_function+0x0/0x2f
> > [17250.998497] [<c103f9f1>] ? autoremove_wake_function+0x0/0x2f
> > [17250.998503] [<f808731b>] ? pktgen_thread_worker+0x0/0x631 [pktgen]
> > [17250.998508] [<c103f6ce>] kthread+0x6a/0x6f
> > [17250.998514] [<c103f664>] ? kthread+0x0/0x6f
> > [17250.998520] [<c1002e42>] kernel_thread_helper+0x6/0x1a
> > [17250.998523] ---[ end trace a22d306b065d4a68 ]---
> > [17251.011663] r8169 0000:02:00.0: eth0: link up
> >
> > [17419.011748] NOHZ: local_softirq_pending 08
> >
> >
>
> But this stack trace is on pktgen side (the sender), and my patch was
> about the receiver ?
>

[...]
>> NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
Isn't it r8169 related?


> I wonder if you dont hit another problem :)
:)


Sergey[unhandled content-type:application/pgp-signature]
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