>-----Original Message----- >From: Li Yu [mailto:raise.s...@gmail.com] >Sent: Tuesday, November 13, 2012 7:37 PM >To: Dave, Tushar N >Cc: Joe Jin; e1000-de...@lists.sf.net; net...@vger.kernel.org; linux- >ker...@vger.kernel.org; Mary Mcgrath >Subject: Re: 82571EB: Detected Hardware Unit Hang > >于 2012年11月09日 04:35, Dave, Tushar N 写道: >>> -----Original Message----- >>> From: netdev-ow...@vger.kernel.org >>> [mailto:netdev-ow...@vger.kernel.org] >>> On Behalf Of Joe Jin >>> Sent: Wednesday, November 07, 2012 10:25 PM >>> To: e1000-de...@lists.sf.net >>> Cc: net...@vger.kernel.org; linux-kernel@vger.kernel.org; Mary >>> Mcgrath >>> Subject: 82571EB: Detected Hardware Unit Hang >>> >>> Hi list, >>> >>> IHAC reported "82571EB Detected Hardware Unit Hang" on HP ProLiant >>> DL360 G6, and have to reboot the server to recover: >>> >>> e1000e 0000:06:00.1: eth3: Detected Hardware Unit Hang: >>> TDH <1a> >>> TDT <1a> >>> next_to_use <1a> >>> next_to_clean <18> >>> buffer_info[next_to_clean]: >>> time_stamp <10047a74e> >>> next_to_watch <18> >>> jiffies <10047a88c> >>> next_to_watch.status <1> >>> MAC Status <80383> >>> PHY Status <792d> >>> PHY 1000BASE-T Status <3800> >>> PHY Extended Status <3000> >>> PCI Status <10> >>> >>> With newer kernel 2.0.0.1 the issue still reproducible. >>> >>> Device info: >>> 06:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit >>> Ethernet Controller (Copper) (rev 06) >>> 06:00.1 0200: 8086:10bc (rev 06) >>> >>> I compared lspci output before and after the issue, different as below: >>> 06:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit >>> Ethernet Controller (Copper) (rev 06) >>> Subsystem: Hewlett-Packard Company NC364T PCI Express Quad Port >>> Gigabit Server Adapter >>> Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ >>> Stepping- SERR- FastB2B- DisINTx- >>> - Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- >>> <TAbort- <MAbort- >SERR- <PERR- INTx- >>> + Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- >>> +<TAbort- <MAbort- >SERR- <PERR- INTx+ >> >> Are you sure this is not similar issue as before that you reported. >> i.e. >> On Mon, 2012-07-09 at 16:51 +0800, Joe Jin wrote: >>> I'm seeing a Unit Hang even with the latest e1000e driver 2.0.0 when >>> doing scp test. this issue is easy do reproduced on SUN FIRE X2270 >>> M2, just copy a big file (>500M) from another server will hit it at >once. >> >> All devices in path from root complex to 82571, should have *same* max >payload size otherwise it can cause hang. >> Can you double check this? >> > >We also found such hang problem on 82599EB (ixgbe driver) in RHEL6.3 >kernel, we ever tried to upgrade to latest version (3.8.21 or 3.10.17), >but it still happens. > >Is it probably also due to wrong "max payload size" set in BIOS? > It could be or could not be. I would suggest please create another thread with that issue as these two devices are significantly different.
-Tushar
