netdev - Re: eth1: Detected Hardware Unit Hang

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Date:	Wed, 31 Mar 2010 21:16:50 +0200
From:	Paweł Staszewski <pstaszewski@...are.pl>
To:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
CC:	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	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 2010-03-31 20:03, Tantilov, Emil S pisze:
> Pawel Staszewski wrote:
>    
>> Hello
>>
>> I reproduce this problem on other machine with the same hardware and
>> here is dmesg output: (kernel 2.6.33)
>>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769395] 0000:04:00.0: eth0: Detected
>> Hardware Unit Hang:
>> Mar 27 18:19:16 TM_01_C1 [1817894.769396]   TDH<2e>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769397]   TDT<1a>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769397]   next_to_use<1a>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769398]   next_to_clean<2d>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769398] buffer_info[next_to_clean]:
>> Mar 27 18:19:16 TM_01_C1 [1817894.769399]   time_stamp<11b1591e9>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769399]   next_to_watch<2f>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769400]   jiffies<11b1592e4>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769401]   next_to_watch.status<0>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769401] MAC Status<80080783>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769402] PHY Status<796d>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769402] PHY 1000BASE-T Status<3800>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769403] PHY Extended Status<3000>
>> Mar 27 18:19:16 TM_01_C1 [1817894.769404] PCI Status<10>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773365] 0000:04:00.0: eth0: Detected
>> Hardware Unit Hang:
>> Mar 27 18:19:18 TM_01_C1 [1817896.773367]   TDH<2e>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773368]   TDT<1a>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773368]   next_to_use<1a>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773369]   next_to_clean<2d>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773369] buffer_info[next_to_clean]:
>> Mar 27 18:19:18 TM_01_C1 [1817896.773370]   time_stamp<11b1591e9>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773370]   next_to_watch<2f>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773371]   jiffies<11b1594d8>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773372]   next_to_watch.status<0>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773372] MAC Status<80080783>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773373] PHY Status<796d>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773373] PHY 1000BASE-T Status<3800>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773374] PHY Extended Status<3000>
>> Mar 27 18:19:18 TM_01_C1 [1817896.773375] PCI Status<10>
>> Mar 27 18:19:20 TM_01_C1 [1817898.769353] 0000:04:00.0: eth0: Detected
>>      
> <snip>
>
> I have a similar (not the same model) system in the lab with 82573E/L on board, but was not able to reproduce the Tx hangs you reported. So at this point we need to start looking into more details. Could you please file a bug at e1000.sf.net? Include the information you provided so far and also:
> 1. output from ethtoool -e
> 2. ethtool -d
> 3. cat /proc/interrupts
> 4. full dmesg output from boot to the point where Tx hangs occurred.
> 5. kernel config file
>
> Looking at the description of your system (Supermicro X7DCT) I see this board has IPMI option. Do you have IPMI in your system?
>
>    
Aditional informations are in attached files.
Yes there is IPMI option but i don't have it.

And yes i will make a bugreport at e1000.sf.net.

Thanks
Pawel

> Thanks,
> Emil--
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>
>    


View attachment "dmesg.txt" of type "text/plain" (33485 bytes)

View attachment "interrupts.txt" of type "text/plain" (3486 bytes)

View attachment "kernel-config.txt" of type "text/plain" (47856 bytes)

View attachment "ethtool.txt" of type "text/plain" (2951 bytes)