Boot failure with 2.6.27.46 on Xeon E5620 (Westmere EP)
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From: ""S.Çağlar Onur"" on 25 May 2010 11:40 Hi, We are observing boot failures [1] & [2] on some of our servers (Dell r410) with 2.6.27-stable kernels. I found following commit in upstream tree via a quick search (but I haven't tried it yet) so I don't know whether I'm on the right track or not. Please let me know if anything else is needed... commit d0af9eed5aa91b6b7b5049cae69e5ea956fd85c3 Author: Suresh Siddha <suresh.b.siddha(a)intel.com> Date: Wed Aug 19 18:05:36 2009 -0700 x86, pat/mtrr: Rendezvous all the cpus for MTRR/PAT init […] [1] http://www.cs.princeton.edu/~caglar/2.6.27/idle=mwait.png [2] http://www.cs.princeton.edu/~caglar/2.6.27/idle=poll.png Best regards, -- S.Çağlar Onur <caglar(a)cs.princeton.edu> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: ""S.Çağlar Onur"" on 25 May 2010 16:40 Hi Greg, On May 25, 2010, at 11:53 AM, Greg KH wrote: > On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote: >> Hi, >> >> We are observing boot failures [1] & [2] on some of our servers (Dell >> r410) with 2.6.27-stable kernels. I found following commit in upstream >> tree via a quick search (but I haven't tried it yet) so I don't know >> whether I'm on the right track or not. >> >> Please let me know if anything else is needed... > > Has any .27 kernel worked on these machines? If so, can you narrow it > down to the patch that caused the problem? I don't think any .27 kernel worked on those machines before. But in any case I'll try (I don't have a physical access to those machines as they are located in China) an older .27 release to see. > thanks, > > greg k-h Best regards, -- S.Çağlar Onur <caglar(a)cs.princeton.edu> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: ""S.Çağlar Onur"" on 25 May 2010 23:30 Hi Suresh, On May 25, 2010, at 8:24 PM, Suresh Siddha wrote: > On Tue, 2010-05-25 at 13:51 -0700, Greg KH wrote: >> On Tue, May 25, 2010 at 04:32:16PM -0400, "S.Çağlar Onur" wrote: >>> Hi Greg, >>> >>> On May 25, 2010, at 11:53 AM, Greg KH wrote: >>> >>>> On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote: >>>>> Hi, >>>>> >>>>> We are observing boot failures [1] & [2] on some of our servers (Dell >>>>> r410) with 2.6.27-stable kernels. I found following commit in upstream >>>>> tree via a quick search (but I haven't tried it yet) so I don't know >>>>> whether I'm on the right track or not. >>>>> >>>>> Please let me know if anything else is needed... >>>> >>>> Has any .27 kernel worked on these machines? If so, can you narrow it >>>> down to the patch that caused the problem? >>> >>> I don't think any .27 kernel worked on those machines before. But in >>> any case I'll try (I don't have a physical access to those machines as >>> they are located in China) an older .27 release to see. >> >> Ok, so it isn't a regression, which is what I want to know. >> >> New hardware like this, probably will only work on newer kernel >> versions, so please use those instead :) > > I can't think of any known issues in 2.6.27 that can lead to this kind > of boot failure on WSM-EP. Caglar, It will be nice if you can do git > bisect between working and non-working kernels. Sure, I'll try to boot those with plain 2.6.27 to see but please note that it's going to be little time consuming. For each one I have to create a custom boot image for them to download and test (a.k.a. don't expect to hear from me soon :)) > thanks, > suresh Best regards, -- S.Çağlar Onur <caglar(a)cs.princeton.edu> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Youquan Song on 26 May 2010 02:00 > > I can't think of any known issues in 2.6.27 that can lead to this kind > > of boot failure on WSM-EP. Caglar, It will be nice if you can do git > > bisect between working and non-working kernels. > > Sure, I'll try to boot those with plain 2.6.27 to see but please note that it's going to be little time consuming. For each one I have to create a custom boot image for them to download and test (a.k.a. don't expect to hear from me soon :)) Hi Caglar, What's the microcode version? Get by "dmesg | grep microcode" if you success boot other version of kernel. Can you try to disable C-state(C6) in BIOS before your boot 2.6.27? Thanks -Youquan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: ""S.Çağlar Onur"" on 2 Jun 2010 20:00
Hi Suresh, On May 25, 2010, at 8:24 PM, Suresh Siddha wrote: > On Tue, 2010-05-25 at 13:51 -0700, Greg KH wrote: >> On Tue, May 25, 2010 at 04:32:16PM -0400, "S.Çağlar Onur" wrote: >>> Hi Greg, >>> >>> On May 25, 2010, at 11:53 AM, Greg KH wrote: >>> >>>> On Tue, May 25, 2010 at 11:10:28AM -0400, "S.Çağlar Onur" wrote: >>>>> Hi, >>>>> >>>>> We are observing boot failures [1] & [2] on some of our servers (Dell >>>>> r410) with 2.6.27-stable kernels. I found following commit in upstream >>>>> tree via a quick search (but I haven't tried it yet) so I don't know >>>>> whether I'm on the right track or not. >>>>> >>>>> Please let me know if anything else is needed... >>>> >>>> Has any .27 kernel worked on these machines? If so, can you narrow it >>>> down to the patch that caused the problem? >>> >>> I don't think any .27 kernel worked on those machines before. But in >>> any case I'll try (I don't have a physical access to those machines as >>> they are located in China) an older .27 release to see. >> >> Ok, so it isn't a regression, which is what I want to know. >> >> New hardware like this, probably will only work on newer kernel >> versions, so please use those instead :) > > I can't think of any known issues in 2.6.27 that can lead to this kind > of boot failure on WSM-EP. Caglar, It will be nice if you can do git > bisect between working and non-working kernels. Neither 2.6.27 nor 2.6.27.45 not able to boot those servers, according to the on-site admins the boot stuck at following stage[1]. > thanks, > suresh [1] http://www.cs.princeton.edu/~caglar/2.6.27/45.png Best regards, -- S.Çağlar Onur <caglar(a)cs.princeton.edu> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |