>-----Original Message----- >From: Joe Jin [mailto:joe....@oracle.com] >Sent: Wednesday, July 11, 2012 7:23 PM >To: Dave, Tushar N >Cc: e1000-de...@lists.sf.net; net...@vger.kernel.org; linux- >ker...@vger.kernel.org >Subject: Re: 82571EB: Detected Hardware Unit Hang > >On 07/12/12 02:51, Dave, Tushar N wrote: >> >> Joe, >> >> I see couple of errors in lspci output. >> Device capability status register shows UnCorrectable PCIe error. This >means there is certainly something went wrong. The only way to recover >from Uncorrectable errors is reset. >> >> DevSta: CorrErr- *UncorrErr+ FatalErr+ UnsuppReq+ AuxPwr+ >TransPend- >> >> Also AER sections in lspci output shows PCIe completion timeout. >> >> Capabilities: [100 v1] Advanced Error Reporting >> UESta: DLP- SDES- TLP- FCP- *CmpltTO+ CmpltAbrt- UnxCmplt- >RxOF- MalfTLP+ ECRC- UnsupReq+ ACSViol- >> >> I suggest you should load AER driver and check for any error messages in >log. Also please check any error message reported by system in BIOS log. >Are there any machine check errors? >> >> When did you notice this issue? have 82571 ever been working before on >this server? >> >> One more thing, Cache line size 256 is little unusual( I never seen this >value before, mostly it's 64). Does BIOS settings have been changed? Are >you using default BIOS setting? >> > >I checked BIOS's log found the fault from the device, I changed "PCI-E >Payload Size" >from 256(default) to 128, now the device works. > >I compared lspci output found Address for data of MSI Capabilities's be >changed: > >Old: > Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Address: 00000000fee21000 Data: 40cb > >New: > Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Address: 00000000fee24000 Data: 405c > >Mostly like it's a BIOS bug? please comments. > >Thanks, >Joe
What is the exact error messages in BIOS log? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/