Repost: NMI error and Intel S5000PSL Motherboards
This is a slightly edited repost of a note sent on Friday September 28, as we haven't heard back from anyone yet. (I know it was the weekend!) Sorry to post again but this issue caused great problems for us and I want to be sure we're choosing a decent solution. Perhaps one of the people who so helpfully commented on this issue earlier last week can now give their opinion on the what should be concluded from our discovery that "CONFIG_PCIEAER=y" -- introduced in the 2.6.19 kernel and set as the default -- leads to NMI errors on the Intel S5000PSL motherboard. I'm told Intel people were closely involved in the development of this PCIEAER feature -- so it seems even weirder that it causes problems for this Intel motherboard. But we have confirmed the problem with multiple Linux distributions. We are hoping to get some insights into the real cause. Please see below where I outlined what seem to be the 3 possibilities. [EMAIL PROTECTED] wrote: On Wed, 26 Sep 2007 19:48:14 -0400 Jim Paris wrote: Hello, We have about 100 servers based on Intel S5000PSL-SATA motherboards. They have been running for anywhere between 1 and 10 months. For the past few months, after updating them all to the 2.6.20.15 kernel (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI errors. For example: Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. Aug 29 09:02:10 master kernel: Do you have a strange power saving mode enabled? Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue I'm also working with Andrew and Samson. It seems that the cause of the problem is CONFIG_PCIEAER, which was introduced after 2.6.18 and defaults to y. With CONFIG_PCIEAER=n, scanpci works fine with no errors. This is the workaround that they'll likely use for now. Glad that you found it. With CONFIG_PCIEAER=y, scanpci always triggers the NMI error. The option aerdriver.forceload=1 has no effect. Although running "scanpci" provoked the NMI errors 100 percent on demand, the NMI errors would also occur randomly every few weeks on a given system without doing anything special. I don't want anybody to think we are just trying to prevent a problem from occurring because we like running "scanpci". "Scanpci" just turned out to be a reliable way to reproduce an otherwise random problem. The 'forceload' option only forces the driver to load even when the ACPI hardware initialization routine fails. It would be nice to be able to disable PCIEAER at boot time though. Shouldn't be difficult. So, looking for some closure here, what do you think is the "root cause"? Is it: 1) a defect with Intel's S5000PSL motherboards that is not seen when running 2.6.18 and earlier kernels but that is exposed by this feature added in 2.6.19? In which case, shouldn't we work to get Intel to investigate? 2) a problem with the PCIEAER feature? And maybe "CONFIG_PCIEAER=y" should NOT be the default setting? 3) just a bad interaction between a good motherboard and a good Linux feature that don't play well together? (in which case isn't this a "feature" that anybody compiling a kernel to run on the Intel S5000PSL motherboard should know not to enable?/ And in general is it a bad idea to set "CONFIG_PCIEAER to "no"". Or is it something that we can really live without? Andrew - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
[EMAIL PROTECTED] wrote: On Wed, 26 Sep 2007 19:48:14 -0400 Jim Paris wrote: Hello, We have about 100 servers based on Intel S5000PSL-SATA motherboards. They have been running for anywhere between 1 and 10 months. For the past few months, after updating them all to the 2.6.20.15 kernel (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI errors. For example: Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. Aug 29 09:02:10 master kernel: Do you have a strange power saving mode enabled? Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue I'm also working with Andrew and Samson. It seems that the cause of the problem is CONFIG_PCIEAER, which was introduced after 2.6.18 and defaults to y. With CONFIG_PCIEAER=n, scanpci works fine with no errors. This is the workaround that they'll likely use for now. Glad that you found it. With CONFIG_PCIEAER=y, scanpci always triggers the NMI error. The option aerdriver.forceload=1 has no effect. The 'forceload' option only forces the driver to load even when the ACPI hardware initialization routine fails. It would be nice to be able to disable PCIEAER at boot time though. Shouldn't be difficult. So, looking for some closure here, what do we think is the "root cause"? Is it: 1) a defect with Intel's S5000PSL motherboards that is exposed by an otherwise fine new (since 2.6.19) Linux kernel feature? (in which case we and others should probably press Intel to recognize they have a problem, seeing as they only "officially support" distributions running on 2.6.16 or below so maybe they don't even know about this issue). 2) a problem with PCIEAER? And maybe "CONFIG_PCIEAER=y" should NOT be the default setting? (in which case the kernel maybe needs fixing) 3) just a bad interaction between a good motherboard and a good Linux feature that don't play well together? (in which case this is a kernel "feature" that anybody compiling a kernel to run on the Intel S5000PSL motherboard should know not to enable -- maybe a note is warranted so that when configuring the kernel, people with S5000PSL motherboards might not make the same mistake???). The related dmesg output at boot is: Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:02.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:03.0:pcie01 failed with error 1 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:04.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:05.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:06.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:07.0:pcie01 failed with error 1 Full dmesg, lspci, and ACPI DSDT are available here: http://jim.sh/~jim/tmp/nmi/ -jim --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
[EMAIL PROTECTED] wrote: On Wed, 26 Sep 2007 19:48:14 -0400 Jim Paris wrote: Hello, We have about 100 servers based on Intel S5000PSL-SATA motherboards. They have been running for anywhere between 1 and 10 months. For the past few months, after updating them all to the 2.6.20.15 kernel (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI errors. For example: Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. Aug 29 09:02:10 master kernel: Do you have a strange power saving mode enabled? Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue I'm also working with Andrew and Samson. It seems that the cause of the problem is CONFIG_PCIEAER, which was introduced after 2.6.18 and defaults to y. With CONFIG_PCIEAER=n, scanpci works fine with no errors. This is the workaround that they'll likely use for now. Glad that you found it. With CONFIG_PCIEAER=y, scanpci always triggers the NMI error. The option aerdriver.forceload=1 has no effect. So, looking for some closure here, what do we think is the "root cause"? Is it: 1) a defect with Intel's S5000PSL motherboards that is exposed by an otherwise fine new (since 2.6.19) Linux kernel feature? (in which case we and others should probably press Intel to recognize they have a problem, seeing as they only "officially support" distributions running on 2.6.16 or below so maybe they don't even know about this issue). 2) a problem with PCIEAER? And maybe "CONFIG_PCIEAER=y" should NOT be the default setting? (in which case the kernel maybe needs fixing) 3) just a bad interaction between a good motherboard and a good Linux feature that don't play well together? (in which case this is a kernel "feature" that anybody compiling a kernel to run on the Intel S5000PSL motherboard should know not to enable -- maybe a note is warranted so that when configuring the kernel, people with S5000PSL motherboards might not make the same mistake???). The 'forceload' option only forces the driver to load even when the ACPI hardware initialization routine fails. It would be nice to be able to disable PCIEAER at boot time though. Shouldn't be difficult. The related dmesg output at boot is: Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:02.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:03.0:pcie01 failed with error 1 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:04.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:05.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:06.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:07.0:pcie01 failed with error 1 Full dmesg, lspci, and ACPI DSDT are available here: http://jim.sh/~jim/tmp/nmi/ -jim --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
Hello, > We have about 100 servers based on Intel S5000PSL-SATA motherboards. > They have been running for anywhere between 1 and 10 months. For the > past few months, after updating them all to the 2.6.20.15 kernel > (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI > errors. For example: > > Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. > Aug 29 09:02:10 master kernel: Do you have a strange power saving mode > enabled? > Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue I'm also working with Andrew and Samson. It seems that the cause of the problem is CONFIG_PCIEAER, which was introduced after 2.6.18 and defaults to y. With CONFIG_PCIEAER=n, scanpci works fine with no errors. This is the workaround that they'll likely use for now. With CONFIG_PCIEAER=y, scanpci always triggers the NMI error. The option aerdriver.forceload=1 has no effect. The related dmesg output at boot is: Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:02.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:03.0:pcie01 failed with error 1 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:04.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:05.0:pcie01 failed with error 2 Evaluate _OSC Set fails. Status = 0x0005 Evaluate _OSC Set fails. Status = 0x0005 aer_init: AER service init fails - Run ACPI _OSC fails aer: probe of :00:06.0:pcie01 failed with error 2 aer_init: AER service init fails - No ACPI _OSC support aer: probe of :00:07.0:pcie01 failed with error 1 Full dmesg, lspci, and ACPI DSDT are available here: http://jim.sh/~jim/tmp/nmi/ -jim - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
On Wed, 26 Sep 2007 19:48:14 -0400 Jim Paris wrote: > Hello, > > > We have about 100 servers based on Intel S5000PSL-SATA motherboards. > > They have been running for anywhere between 1 and 10 months. For the > > past few months, after updating them all to the 2.6.20.15 kernel > > (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI > > errors. For example: > > > > Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. > > Aug 29 09:02:10 master kernel: Do you have a strange power saving mode > > enabled? > > Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue > > I'm also working with Andrew and Samson. It seems that the cause of > the problem is CONFIG_PCIEAER, which was introduced after 2.6.18 and > defaults to y. > > With CONFIG_PCIEAER=n, scanpci works fine with no errors. This is the > workaround that they'll likely use for now. Glad that you found it. > With CONFIG_PCIEAER=y, scanpci always triggers the NMI error. The > option aerdriver.forceload=1 has no effect. The 'forceload' option only forces the driver to load even when the ACPI hardware initialization routine fails. It would be nice to be able to disable PCIEAER at boot time though. Shouldn't be difficult. > The related dmesg output at boot is: > > Evaluate _OSC Set fails. Status = 0x0005 > Evaluate _OSC Set fails. Status = 0x0005 > aer_init: AER service init fails - Run ACPI _OSC fails > aer: probe of :00:02.0:pcie01 failed with error 2 > aer_init: AER service init fails - No ACPI _OSC support > aer: probe of :00:03.0:pcie01 failed with error 1 > Evaluate _OSC Set fails. Status = 0x0005 > Evaluate _OSC Set fails. Status = 0x0005 > aer_init: AER service init fails - Run ACPI _OSC fails > aer: probe of :00:04.0:pcie01 failed with error 2 > Evaluate _OSC Set fails. Status = 0x0005 > Evaluate _OSC Set fails. Status = 0x0005 > aer_init: AER service init fails - Run ACPI _OSC fails > aer: probe of :00:05.0:pcie01 failed with error 2 > Evaluate _OSC Set fails. Status = 0x0005 > Evaluate _OSC Set fails. Status = 0x0005 > aer_init: AER service init fails - Run ACPI _OSC fails > aer: probe of :00:06.0:pcie01 failed with error 2 > aer_init: AER service init fails - No ACPI _OSC support > aer: probe of :00:07.0:pcie01 failed with error 1 > > Full dmesg, lspci, and ACPI DSDT are available here: > http://jim.sh/~jim/tmp/nmi/ > > -jim --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [Re: NMI error and Intel S5000PSL Motherboards]
On Wed, 26 Sep 2007 15:07:14 -0400 samson yeung wrote: > Hello, > > I'm working with AndrewL733 on this issue. I'm doing the git bisect right now. > > scanpci -f -1 causes the problem, scanpci -f -2 and scanpci -O do not. Does the problem always happen when scanpci is making an ioperm syscall (as in the strace output below)? > The driver does not even need to be loaded to have the problem > (e1000). I have not tried the 2.6.18 driver with 2.6.20, but I have > tried both the in-kernel driver as well as the newer driver from Intel > with the same result. > > The drive is a Seagate Barracuda 7200.9 80 Gbytes with fimware 3.AAE > I can include hdparm -i output if it will help. > > The problem is only happening on 64-bit. As noted above, I'm running > git-bisect to test a stock kernel.org kernel. 32-bit Ubuntu does not > exhibit the problem, I have not tested a kernel.org 32-bit kernel. > - > strace: I don't know what syscall_273 does. I trimmed the output to > include syscall 273 and the lines surrounding it. I can include the > entirety of the strace if it will help. Does this include trace info all the way to the end of the trace output file? If not, please send that part also. > arch_prctl(ARCH_SET_FS, 0x2aca24060f50) = 0 > mprotect(0x2aca23e3b000, 12288, PROT_READ) = 0 > munmap(0x2aca238e2000, 36649) = 0 > set_tid_address(0x2aca24060fe0) = 10319 > syscall_273(0x2aca24060ff0, 0x18, 0x7fff87790188, 0x2aca233193c0, > 0x2aca24060f50, 0x2aca233352b8, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, > 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, > 0x1, 0x1, 0x1, 0x1, 0x1) = 0 > rt_sigaction(SIGRTMIN, {0x2aca23e4a3a0, [], SA_RESTORER|SA_SIGINFO, > 0x2aca23e53200}, NULL, 8) = 0 > rt_sigaction(SIGRT_1, {0x2aca23e4a2f0, [], > SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x2aca23e53200}, NULL, 8) = 0 > rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 > ioperm(0, 0x400, 0x1) = 0 --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[Re: NMI error and Intel S5000PSL Motherboards]
Hello, I'm working with AndrewL733 on this issue. I'm doing the git bisect right now. scanpci -f -1 causes the problem, scanpci -f -2 and scanpci -O do not. The systems have two 1-Gig sticks in the D1 and C1 slots of the motherboard. I ran memtest86 overnight and got no errors. (Samsung 1GB PC2-5300F-555-11-B0) Both pci=nomsi and pci=nommconf don't change the situation on the ubuntu's custom kernel. I can try them on a stock kernel.org kernel after I finish doing the git bisect. The driver does not even need to be loaded to have the problem (e1000). I have not tried the 2.6.18 driver with 2.6.20, but I have tried both the in-kernel driver as well as the newer driver from Intel with the same result. The drive is a Seagate Barracuda 7200.9 80 Gbytes with fimware 3.AAE I can include hdparm -i output if it will help. The problem is only happening on 64-bit. As noted above, I'm running git-bisect to test a stock kernel.org kernel. 32-bit Ubuntu does not exhibit the problem, I have not tested a kernel.org 32-bit kernel. Extended command output follows: cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU5160 @ 3.00GHz stepping: 6 cpu MHz : 1998.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fx sr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm bogomips: 5990.11 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU5160 @ 3.00GHz stepping: 6 cpu MHz : 1998.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 1 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fx sr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm bogomips: 5984.99 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: -- lspci -v: 00:00.0 Host bridge: Intel Corporation Server Memory Controller Hub (rev b1) Subsystem: Intel Corporation Unknown device 3476 Flags: bus master, fast devsel, latency 0 Capabilities: 00:02.0 PCI bridge: Intel Corporation Server PCI Express x8 Port 2-3 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=05, sec-latency=0 I/O behind bridge: 4000-4fff Memory behind bridge: b800-b89f Capabilities: 00:03.0 PCI bridge: Intel Corporation Server PCI Express x4 Port 3 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=06, subordinate=06, sec-latency=0 Capabilities: 00:04.0 PCI bridge: Intel Corporation Server PCI Express x8 Port 4-5 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 Capabilities: 00:05.0 PCI bridge: Intel Corporation Server PCI Express x4 Port 5 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=08, subordinate=08, sec-latency=0 Capabilities: 00:06.0 PCI bridge: Intel Corporation Server PCI Express x8 Port 6-7 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=09, subordinate=0c, sec-latency=0 I/O behind bridge: 2000-3fff Memory behind bridge: b8b0-b8cf Prefetchable memory behind bridge: b8e0-b8f0 Capabilities: 00:07.0 PCI bridge: Intel Corporation Server PCI Express x4 Port 7 (rev b1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=0 Capabilities: 00:08.0 System peripheral: Intel Corporation Server DMA Engine (rev b1) Subsystem: Intel Corporation Unknown device 3476 Flags: bus master, fast devsel, latency 0, IRQ 1 Memory at fe70 (64-bit, non-prefetchable) [size=1K] Capabilities: 00:10.0 Host bridge: Intel Corporation Server Error Reporting Registe
Re: NMI error and Intel S5000PSL Motherboards
> Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. > Aug 29 09:02:10 master kernel: Do you have a strange power saving mode > enabled? What would be useful is to know under what situations that board can raise NMI 30. > In other words, Intel seems to be blaming the problem we are seeing on > something introduced starting with the 2.6.19 kernel. We are not looking > to blame anybody. We are only looking for a solution. The first thing to find out is to find out in which kernel the behaviour is introduced. It might also be worth disabling msi in case Intel screwed the board up somewhat. > Does anybody have an idea what could be going on here, as well as what > the solution may be? Going back to 2.6.18 or lower is not an option. See if 2.6.20.* with the 2.6.18 driver compiles and how that behaves. Also see if pci=nomsi and/or pci=nommconf make a difference. Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
On Wed, 26 Sep 2007 02:12:34 -0800 AndrewL733 wrote: > We have about 100 servers based on Intel S5000PSL-SATA motherboards. > They have been running for anywhere between 1 and 10 months. For the > past few months, after updating them all to the 2.6.20.15 kernel > (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI > errors. For example: > > Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. > Aug 29 09:02:10 master kernel: Do you have a strange power saving mode > enabled? > Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue > > Sometimes these errors cause a total system freeze. Most of the time the > systems keep running. > > We have determined these errors come most frequently on machines that > have an Intel PCI-e Quad Port Gigabit Adapter. On machines that HAVE > these cards (it doesn't matter what slot they are in), the NMI errors > can occur as frequently as every 3-5 minutes. On machines that do NOT > have these Quad Port Adapters, the NMI errors occur about once per month > on average. (we have tried the "in-kernel" e1000 drivers, as well as > Intel's latest - 7.6.5). > > We have also determined (through a chance discovery) that running > “scanpci” can 100 percent reliably reproduce the NMI error on any > machine that has the Quad Port NICS. Our various motherboards have > different Intel BIOS versions – some have Rev 70, others 74, 79 or 81. > They all exhibit the same behavior regardless of BIOS version. > > We have reproduced this problem with: > > Mandriva 2008 RC2 (2.6.22 kernel) > Mandriva 2007 with custom 2.6.20.15 kernel > Mandriva 2007 with custom 2.6.19.8 kernel > Ubuntu “Feisty” with 2.6.20 kernel > Fedora Core 7 with 2.6.22 kernel > > The problem does NOT occur with any distribution running a 2.6.18 kernel > or lower. I.E., CentOS or SUSE 10 and also Mandriva 2007 with included > 2.6.17 kernel or custom-compiled 2.6.18 kernel. > > We have been in contact with Intel. Their high level tech support people > have basically said, > > “the errors we have logged so far are pointing to a kernel issue and > not a hardware problem. If we [Intel] can confirm this, it will be > up to the kernel developer or OS system manufacturer to debug those > ones, as we do not perform Operating system support.” > > In other words, Intel seems to be blaming the problem we are seeing on > something introduced starting with the 2.6.19 kernel. We are not looking > to blame anybody. We are only looking for a solution. > > Does anybody have an idea what could be going on here, as well as what > the solution may be? Going back to 2.6.18 or lower is not an option. Answer #2: if a kernel change was responsible for this problem, the direct way to find that change is to clone the kernel 'git' tree and then use git bisect to find the culprit. If you are certain that 2.6.18 is good and 2.6.19 is bad, then use those git tree tags instead of the ones that are used in the example at: http://www.kernel.org/pub/software/scm/git/docs/git-bisect.html git wiki is here: http://git.or.cz/ and git docs are here: http://www.kernel.org/pub/software/scm/git/docs/ If you want to use this tool, say so and I think that we (the royal "we") will try to work you thru it. --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: NMI error and Intel S5000PSL Motherboards
On Wed, 26 Sep 2007 02:12:34 -0800 AndrewL733 wrote: > We have about 100 servers based on Intel S5000PSL-SATA motherboards. product info (for others): http://support.intel.com/support/motherboards/server/s5000psl/index.htm > They have been running for anywhere between 1 and 10 months. For the > past few months, after updating them all to the 2.6.20.15 kernel > (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI > errors. For example: > > Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. > Aug 29 09:02:10 master kernel: Do you have a strange power saving mode > enabled? > Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue > > Sometimes these errors cause a total system freeze. Most of the time the > systems keep running. > > We have determined these errors come most frequently on machines that > have an Intel PCI-e Quad Port Gigabit Adapter. On machines that HAVE > these cards (it doesn't matter what slot they are in), the NMI errors > can occur as frequently as every 3-5 minutes. On machines that do NOT > have these Quad Port Adapters, the NMI errors occur about once per month > on average. (we have tried the "in-kernel" e1000 drivers, as well as > Intel's latest - 7.6.5). > > We have also determined (through a chance discovery) that running > “scanpci” can 100 percent reliably reproduce the NMI error on any > machine that has the Quad Port NICS. Our various motherboards have > different Intel BIOS versions – some have Rev 70, others 74, 79 or 81. > They all exhibit the same behavior regardless of BIOS version. > > We have reproduced this problem with: > > Mandriva 2008 RC2 (2.6.22 kernel) > Mandriva 2007 with custom 2.6.20.15 kernel > Mandriva 2007 with custom 2.6.19.8 kernel > Ubuntu “Feisty” with 2.6.20 kernel > Fedora Core 7 with 2.6.22 kernel > > The problem does NOT occur with any distribution running a 2.6.18 kernel > or lower. I.E., CentOS or SUSE 10 and also Mandriva 2007 with included > 2.6.17 kernel or custom-compiled 2.6.18 kernel. > > We have been in contact with Intel. Their high level tech support people > have basically said, > > “the errors we have logged so far are pointing to a kernel issue and > not a hardware problem. If we [Intel] can confirm this, it will be > up to the kernel developer or OS system manufacturer to debug those > ones, as we do not perform Operating system support.” > > In other words, Intel seems to be blaming the problem we are seeing on > something introduced starting with the 2.6.19 kernel. We are not looking > to blame anybody. We are only looking for a solution. > > Does anybody have an idea what could be going on here, as well as what > the solution may be? Going back to 2.6.18 or lower is not an option. Please provide some basic info, like: - how much RAM - what CPUs (be precise: use 'cat /proc/cpuinfo') - output of 'lspci -v' - what kind(s) of SATA drives - are you using 32-bit or 64-bit kernel(s) Can you test kernels from kernel.org (i.e., not vendor kernels, no other [unkwown] patches applied to them)? Does tracing 'scanpci' produce any helpful information? # strace -o scanpci.trace scanpci --- ~Randy Phaedrus says that Quality is about caring. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
NMI error and Intel S5000PSL Motherboards
We have about 100 servers based on Intel S5000PSL-SATA motherboards. They have been running for anywhere between 1 and 10 months. For the past few months, after updating them all to the 2.6.20.15 kernel (because of a bug in the 2.6.18 kernel), we are seeing some strange NMI errors. For example: Aug 29 09:02:10 master kernel: Uhhuh. NMI received for unknown reason 30. Aug 29 09:02:10 master kernel: Do you have a strange power saving mode enabled? Aug 29 09:02:10 master kernel: Dazed and confused, but trying to continue Sometimes these errors cause a total system freeze. Most of the time the systems keep running. We have determined these errors come most frequently on machines that have an Intel PCI-e Quad Port Gigabit Adapter. On machines that HAVE these cards (it doesn't matter what slot they are in), the NMI errors can occur as frequently as every 3-5 minutes. On machines that do NOT have these Quad Port Adapters, the NMI errors occur about once per month on average. (we have tried the "in-kernel" e1000 drivers, as well as Intel's latest - 7.6.5). We have also determined (through a chance discovery) that running “scanpci” can 100 percent reliably reproduce the NMI error on any machine that has the Quad Port NICS. Our various motherboards have different Intel BIOS versions – some have Rev 70, others 74, 79 or 81. They all exhibit the same behavior regardless of BIOS version. We have reproduced this problem with: Mandriva 2008 RC2 (2.6.22 kernel) Mandriva 2007 with custom 2.6.20.15 kernel Mandriva 2007 with custom 2.6.19.8 kernel Ubuntu “Feisty” with 2.6.20 kernel Fedora Core 7 with 2.6.22 kernel The problem does NOT occur with any distribution running a 2.6.18 kernel or lower. I.E., CentOS or SUSE 10 and also Mandriva 2007 with included 2.6.17 kernel or custom-compiled 2.6.18 kernel. We have been in contact with Intel. Their high level tech support people have basically said, “the errors we have logged so far are pointing to a kernel issue and not a hardware problem. If we [Intel] can confirm this, it will be up to the kernel developer or OS system manufacturer to debug those ones, as we do not perform Operating system support.” In other words, Intel seems to be blaming the problem we are seeing on something introduced starting with the 2.6.19 kernel. We are not looking to blame anybody. We are only looking for a solution. Does anybody have an idea what could be going on here, as well as what the solution may be? Going back to 2.6.18 or lower is not an option. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/