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Date:	Tue, 5 Jun 2007 22:37:09 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Kacper Bielecki <kazjote@...d.ics.p.lodz.pl>
Cc:	netdev@...r.kernel.org
Subject: Re: PROBLEM: network interface regularly stops working

Kacper Bielecki <kazjote@...d.ics.p.lodz.pl> :
[...]
> The motherboadr is ASRock ConRoe945G-DVI

Same model as my current test machine.

It uses a boring el-cheapo PIV though.

> After installing kernel 2.6.22-rc4 with patches 0001..0013 (there wasn't 0000 
> patch) the problem is not solved. I still get the same behaviour.

I did not look too closely at your report first, but:

> [   61.374301] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel.
> [   61.375872] [fglrx] Maximum main memory to use for locked dma buffers: 921 MBytes.
> [   61.376132] [fglrx] module loaded - fglrx 8.37.6 [May 25 2007] on minor 0
> [   61.413699] ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 16 (level, low) -> IRQ 16
> [   63.283042] [fglrx] total      GART = 130023424
> [   63.283047] [fglrx] free       GART = 114032640
> [   63.283049] [fglrx] max single GART = 114032640
> [   63.283051] [fglrx] total      LFB  = 268304384
> [   63.283053] [fglrx] free       LFB  = 256765952
> [   63.283055] [fglrx] max single LFB  = 256765952
> [   63.283057] [fglrx] total      Inv  = 0
> [   63.283059] [fglrx] free       Inv  = 0
> [   63.283061] [fglrx] max single Inv  = 0
> [   63.283063] [fglrx] total      TIM  = 0

Can you reproduce the problem if this module is not loaded at all ?

Please understand "loaded" as "it's loaded but it is not used" as well
as "it was loaded but I unloaded it before testing".

> Restarting interface doesn't solve the problem.

Neither do an 'ifconfig down/rmmod/modprobe/ifconfig up' cycle ?

[...]
> I don't know what else can help so I attach some information about system.

A 'cat /proc/interrupts', a few seconds of 'vmstat 1' a
'for i in $(seq 1 5); do ethtool -S eth0; sleep 1; done' after the watchdog
event and a good bunch of patience.

-- 
Ueimor
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