netdev - Re: eth1: Detected Hardware Unit Hang

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Date:	Mon, 29 Mar 2010 19:36:54 +0200
From:	Paweł Staszewski <pstaszewski@...are.pl>
To:	"Allan, Bruce W" <bruce.w.allan@...el.com>
CC:	Linux Network Development list <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: Re: eth1: Detected Hardware Unit Hang

W dniu 2010-03-29 19:29, Paweł Staszewski pisze:
> lspci -vvv + ethtool -S in attached files.
>
> Network traffic when i get this info:
> eth1:    RX:    157.22 Mb/s    TX:    379.27 Mb/s
>
> ethtool -i eth1
> driver: e1000e
> version: 1.0.2-k2
> firmware-version: 0.5-7
> bus-info: 0000:05:00.0
> This is: Intel Corporation 82573L Gigabit Ethernet Controller
>
>
> But in this server i have another gigabit interface:
> Intel Corporation 82573E Gigabit Ethernet Controller
> this interface has two times more traffic than eth0 (82573L)
> ethtool -i eth0
> driver: e1000e
> version: 1.0.2-k2
> firmware-version: 0.15-5
> bus-info: 0000:04:00.0
>
I forgot to add that i have no problems with (eth0) 82573E


> And also this server was working 4months without problems on 2.6.29.1 
> kernel
>
> Drivers that I use for e1000e are from kernel (standard kernel 
> build-in e1000e driver).
> I don't tried other drivers.
>
> This is production server so I can't make too much tests.
>
>
> W dniu 2010-03-29 18:41, Allan, Bruce W pisze:
>> [adding e1000-devel]
>>
>> Please provide more information:
>> * what NIC/LOM is this on (preferably send full output from lspci -vvv)
>> * what type of networking workload is running at the time the hang 
>> occurred
>> * a dump of the NIC/LOM statistics might also help (ethtool -S eth1)
>>
>> Have you tried the latest standalone e1000e driver on e1000.sf.net?  
>> Does it reproduce the issue?
>>
>> If we cannot reproduce the hang in-house, would you be able/willing 
>> to run a debug driver to gather more information?
>>
>> Thanks,
>> Bruce.
>>
>> -----Original Message-----
>> From: netdev-owner@...r.kernel.org 
>> [mailto:netdev-owner@...r.kernel.org] On Behalf Of Pawel Staszewski
>> Sent: Monday, March 29, 2010 8:34 AM
>> To: Linux Network Development list
>> Subject: eth1: Detected Hardware Unit Hang
>>
>> After update to kernel from 2.6.29.1 to 2.6.33.1 i have this info in 
>> dmesg:
>>
>> 0000:05:00.0: eth1: Detected Hardware Unit Hang:
>>     TDH<1e>
>>     TDT<a>
>>     next_to_use<a>
>>     next_to_clean<1d>
>> buffer_info[next_to_clean]:
>>     time_stamp<33bae15>
>>     next_to_watch<20>
>>     jiffies<33bafaf>
>>     next_to_watch.status<0>
>> MAC Status<80080783>
>> PHY Status<796d>
>> PHY 1000BASE-T Status<3800>
>> PHY Extended Status<3000>
>> PCI Status<10>
>> 0000:05:00.0: eth1: Detected Hardware Unit Hang:
>>     TDH<1e>
>>     TDT<a>
>>     next_to_use<a>
>>     next_to_clean<1d>
>> buffer_info[next_to_clean]:
>>     time_stamp<33bae15>
>>     next_to_watch<20>
>>     jiffies<33bb1a3>
>>     next_to_watch.status<0>
>> MAC Status<80080783>
>> PHY Status<796d>
>> PHY 1000BASE-T Status<3800>
>> PHY Extended Status<3000>
>> PCI Status<10>
>> 0000:05:00.0: eth1: Detected Hardware Unit Hang:
>>     TDH<1e>
>>     TDT<a>
>>     next_to_use<a>
>>     next_to_clean<1d>
>> buffer_info[next_to_clean]:
>>     time_stamp<33bae15>
>>     next_to_watch<20>
>>     jiffies<33bb397>
>>     next_to_watch.status<0>
>> MAC Status<80080783>
>> PHY Status<796d>
>> PHY 1000BASE-T Status<3800>
>> PHY Extended Status<3000>
>> PCI Status<10>
>> ------------[ cut here ]------------
>> WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x118/0x19c()
>> Hardware name: X7DCT
>> NETDEV WATCHDOG: eth1 (e1000e): transmit queue 0 timed out
>> Modules linked in:
>> Pid: 0, comm: swapper Not tainted 2.6.33.1 #2
>> Call Trace:
>>    [<c1024e3d>] ? warn_slowpath_common+0x52/0x71
>>    [<c1024e49>] ? warn_slowpath_common+0x5e/0x71
>>    [<c1024e8e>] ? warn_slowpath_fmt+0x26/0x2a
>>    [<c1261f54>] ? dev_watchdog+0x118/0x19c
>>    [<c102135c>] ? __wake_up+0x29/0x39
>>    [<c10320c6>] ? insert_work+0x40/0x44
>>    [<c1261e3c>] ? dev_watchdog+0x0/0x19c
>>    [<c102cc15>] ? run_timer_softirq+0x11a/0x173
>>    [<c1028e5b>] ? __do_softirq+0x74/0xdf
>>    [<c1028ee9>] ? do_softirq+0x23/0x27
>>    [<c10290be>] ? irq_exit+0x26/0x58
>>    [<c10102d7>] ? smp_apic_timer_interrupt+0x6c/0x76
>>    [<c12c5f9a>] ? apic_timer_interrupt+0x2a/0x30
>>    [<c1007e06>] ? mwait_idle+0x49/0x4e
>>    [<c10017e8>] ? cpu_idle+0x41/0x5a
>> ---[ end trace bcca9926a046332c ]---
>>
>>
>> With kernel 2.6.29.1 all was ok.
>> -- 
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>>
>

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