netdev - Re: [PATCH] r8169: Fix rtl8169_rx

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Date:	Wed, 17 Mar 2010 09:58:07 +0200
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	David Miller <davem@...emloft.net>,
	Francois Romieu <romieu@...zoreil.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] r8169: Fix rtl8169_rx_interrupt()

On (03/17/10 08:37), Eric Dumazet wrote:
> trimming some cc
> 
> Le mercredi 17 mars 2010 à 09:25 +0200, Sergey Senozhatsky a écrit :
> > Hello,
> > 
> > cumulative patch:
> > 
> > [  155.337373] ------------[ cut here ]------------
> > [  155.337386] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0xc1/0x125()
> > [  155.337390] Hardware name: F3JC                
> > [  155.337394] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
> > [  155.337397] 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 snd_hda_intel snd_hda_codec
> > asus_laptop sparse_keymap mmc_core led_class snd_pcm snd_timer snd_page_alloc psmouse rng_core snd soundcore sg i2c_i801 evdev serio_raw r8169 mii usbhid hid uhci_hcd ehci_hcd
> > sr_mod cdrom sd_mod usbcore ata_piix
> > [  155.337468] Pid: 7, comm: ksoftirqd/1 Tainted: G        W  2.6.34-rc1-dbg-git6-r8169 #47
> > [  155.337472] Call Trace:
> > [  155.337481]  [<c102e293>] warn_slowpath_common+0x65/0x7c
> > [  155.337506]  [<c126ac34>] ? dev_watchdog+0xc1/0x125
> > [  155.337512]  [<c102e2de>] warn_slowpath_fmt+0x24/0x27
> > [  155.337517]  [<c126ac34>] dev_watchdog+0xc1/0x125
> > [  155.337525]  [<c1036afb>] ? run_timer_softirq+0x120/0x1eb
> > [  155.337530]  [<c1036b51>] run_timer_softirq+0x176/0x1eb
> > [  155.337536]  [<c1036afb>] ? run_timer_softirq+0x120/0x1eb
> > [  155.337566]  [<c126ab73>] ? dev_watchdog+0x0/0x125
> > [  155.337576]  [<c1032d39>] __do_softirq+0x8d/0x117
> > [  155.337667]  [<c1032dee>] do_softirq+0x2b/0x43
> > [  155.337729]  [<c1032fc1>] run_ksoftirqd+0x71/0x140
> > [  155.337745]  [<c1032f50>] ? run_ksoftirqd+0x0/0x140
> > [  155.337810]  [<c103f60e>] kthread+0x6a/0x6f
> > [  155.337832]  [<c103f5a4>] ? kthread+0x0/0x6f
> > [  155.337903]  [<c1002e42>] kernel_thread_helper+0x6/0x1a
> > [  155.337907] ---[ end trace a22d306b065d4a68 ]---
> > [  155.350902] r8169 0000:02:00.0: eth0: link up
> > [  167.350892] r8169 0000:02:00.0: eth0: link up
> > 
> > 
> > 
> 
> On receiver ?
> 
Localhost pollution (both sender and receiver are localhost). In 2 hours I will
try to pktgen over LAN.


> I suspect lot of work is needed on this driver to make it working, but I
> dont have a machine with said adapter.
> 
> Are you in 100 Mb full duplex mode ?
> 

ethtool eth0
Settings for eth0:
	Supported ports: [ TP MII ]
	Supported link modes:   10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Half 1000baseT/Full 
	Supports auto-negotiation: Yes
	Advertised link modes:  10baseT/Half 10baseT/Full 
	                        100baseT/Half 100baseT/Full 
	                        1000baseT/Half 1000baseT/Full 
	Advertised auto-negotiation: Yes
	Speed: 100Mb/s
	Duplex: Full
	Port: MII
	PHYAD: 0
	Transceiver: internal
	Auto-negotiation: on
	Supports Wake-on: pumbg
	Wake-on: g
	Current message level: 0x00000033 (51)
	Link detected: yes



	Sergey
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