netdev - Re: eth1: Detected Hardware Unit Hang

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Message-ID: <4BB0E394.2060908@itcare.pl>
Date:	Mon, 29 Mar 2010 19:29:56 +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

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

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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>
>    


View attachment "lspci.txt" of type "text/plain" (30803 bytes)

View attachment "ethtool-S-eth1.txt" of type "text/plain" (1258 bytes)