Re: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Avi Kivity <[EMAIL PROTECTED]> [071023 10:21]: Thanks, that will be most helpful. If userspace won't compile against some intermediate version, let me know the commit hash and I'll add a fixup. A bisect didn't find anything between 2.6.22 and 2.6.23. Which made me very confused. I think, I must have used the Debian userland tools... which is still bad and I will double check that with 2.6.23. Yes. You can use the same tools for all versions from .22 and up. Another thing to try is whether the lockup reproduces with 'taskset 1'. Maybe it is preemption related. Thanks for the effort. -- Any sufficiently difficult bug is indistinguishable from a feature. - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Avi Kivity [EMAIL PROTECTED] [071023 10:21]: Thanks, that will be most helpful. If userspace won't compile against some intermediate version, let me know the commit hash and I'll add a fixup. A bisect didn't find anything between 2.6.22 and 2.6.23. Which made me very confused. I think, I must have used the Debian userland tools... which is still bad and I will double check that with 2.6.23. Yes. You can use the same tools for all versions from .22 and up. Another thing to try is whether the lockup reproduces with 'taskset 1'. Maybe it is preemption related. Thanks for the effort. -- Any sufficiently difficult bug is indistinguishable from a feature. - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity <[EMAIL PROTECTED]> [071023 10:21]: > Thanks, that will be most helpful. If userspace won't compile against > some intermediate version, let me know the commit hash and I'll add a fixup. A bisect didn't find anything between 2.6.22 and 2.6.23. Which made me very confused. I think, I must have used the Debian userland tools... which is still bad and I will double check that with 2.6.23. -Bart - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity [EMAIL PROTECTED] [071023 10:21]: Thanks, that will be most helpful. If userspace won't compile against some intermediate version, let me know the commit hash and I'll add a fixup. A bisect didn't find anything between 2.6.22 and 2.6.23. Which made me very confused. I think, I must have used the Debian userland tools... which is still bad and I will double check that with 2.6.23. -Bart - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: > * Avi Kivity <[EMAIL PROTECTED]> [071022 09:42]: > >> I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 >> patches). >> >> There were 92 kvm patches in 2.6.23, so a bisect should take about a >> week worst case. >> > > I'll get started tonight. > > Thanks, that will be most helpful. If userspace won't compile against some intermediate version, let me know the commit hash and I'll add a fixup. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity <[EMAIL PROTECTED]> [071022 09:42]: > I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 > patches). > > There were 92 kvm patches in 2.6.23, so a bisect should take about a > week worst case. I'll get started tonight. -Bart -- WebSig: http://www.jukie.net/~bart/sig/ - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity [EMAIL PROTECTED] [071022 09:42]: I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 patches). There were 92 kvm patches in 2.6.23, so a bisect should take about a week worst case. I'll get started tonight. -Bart -- WebSig: http://www.jukie.net/~bart/sig/ - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Avi Kivity [EMAIL PROTECTED] [071022 09:42]: I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 patches). There were 92 kvm patches in 2.6.23, so a bisect should take about a week worst case. I'll get started tonight. Thanks, that will be most helpful. If userspace won't compile against some intermediate version, let me know the commit hash and I'll add a fixup. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Avi Kivity <[EMAIL PROTECTED]> [071021 07:23]: Does 2.6.23 hang immediately? If so, these may be two separate problems and it's worth bisecting to find out what's the fix in 2.6.24-rc. Of course we'll have to address the later hang as well. Avi, it does not hang immediately. It seems to wait until I go to bed to hang -- so it's going to be really fun to rebase. It could be triggered by something that runs off cron in the guest or host. I am not sure. At this point I know that 2.6.23 and 2.6.24-rc0 hung, and 2.6.22.10 (with kvm-userspace.git) ran overnight. I will try some of the 23-rc's next. I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 patches). There were 92 kvm patches in 2.6.23, so a bisect should take about a week worst case. -- error compiling committee.c: too many arguments to function - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity <[EMAIL PROTECTED]> [071021 07:23]: > Does 2.6.23 hang immediately? If so, these may be two separate problems > and it's worth bisecting to find out what's the fix in 2.6.24-rc. > > Of course we'll have to address the later hang as well. Avi, it does not hang immediately. It seems to wait until I go to bed to hang -- so it's going to be really fun to rebase. It could be triggered by something that runs off cron in the guest or host. I am not sure. At this point I know that 2.6.23 and 2.6.24-rc0 hung, and 2.6.22.10 (with kvm-userspace.git) ran overnight. I will try some of the 23-rc's next. -Bart -- WebSig: http://www.jukie.net/~bart/sig/ - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
* Avi Kivity [EMAIL PROTECTED] [071021 07:23]: Does 2.6.23 hang immediately? If so, these may be two separate problems and it's worth bisecting to find out what's the fix in 2.6.24-rc. Of course we'll have to address the later hang as well. Avi, it does not hang immediately. It seems to wait until I go to bed to hang -- so it's going to be really fun to rebase. It could be triggered by something that runs off cron in the guest or host. I am not sure. At this point I know that 2.6.23 and 2.6.24-rc0 hung, and 2.6.22.10 (with kvm-userspace.git) ran overnight. I will try some of the 23-rc's next. -Bart -- WebSig: http://www.jukie.net/~bart/sig/ - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Avi Kivity [EMAIL PROTECTED] [071021 07:23]: Does 2.6.23 hang immediately? If so, these may be two separate problems and it's worth bisecting to find out what's the fix in 2.6.24-rc. Of course we'll have to address the later hang as well. Avi, it does not hang immediately. It seems to wait until I go to bed to hang -- so it's going to be really fun to rebase. It could be triggered by something that runs off cron in the guest or host. I am not sure. At this point I know that 2.6.23 and 2.6.24-rc0 hung, and 2.6.22.10 (with kvm-userspace.git) ran overnight. I will try some of the 23-rc's next. I'm not sure that's useful -- very little changed after 2.6.23-rc1 (10 patches). There were 92 kvm patches in 2.6.23, so a bisect should take about a week worst case. -- error compiling committee.c: too many arguments to function - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Bart Trojanowski <[EMAIL PROTECTED]> [071019 20:03]: * Bart Trojanowski <[EMAIL PROTECTED]> [071019 17:00]: Once the system is booted, I attached using vnc, then I ssh in and ran 'svn update'... and the host machine froze. The last messages I on my serial console are: kvm: unhandled rdmsr: 0x417 kvm: unhandled rdmsr: 0xc400 I noticed that linus merged a bunch of KVM changes last week. I will try those out next. It looks like Linus' tree has the fix already. I spoke too soon. The latest from Linus' tree also freezes... but it took overnight to get there. There was no particular load on it. This system was previously running 2.6.22.y w/o problems with a similar kvm pattern. This time it froze w/o showing any kvm rdmsr messages. And while it froze sometime over night, I cannot be sure when. Here is the SysRq's "showPc" output: Does 2.6.23 hang immediately? If so, these may be two separate problems and it's worth bisecting to find out what's the fix in 2.6.24-rc. Of course we'll have to address the later hang as well. -- error compiling committee.c: too many arguments to function - 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: [kvm-devel] [BUG] 2.6.23.1 host freezes when running kvm
Bart Trojanowski wrote: * Bart Trojanowski [EMAIL PROTECTED] [071019 20:03]: * Bart Trojanowski [EMAIL PROTECTED] [071019 17:00]: snip Once the system is booted, I attached using vnc, then I ssh in and ran 'svn update'... and the host machine froze. The last messages I on my serial console are: kvm: unhandled rdmsr: 0x417 kvm: unhandled rdmsr: 0xc400 snip I noticed that linus merged a bunch of KVM changes last week. I will try those out next. It looks like Linus' tree has the fix already. I spoke too soon. The latest from Linus' tree also freezes... but it took overnight to get there. There was no particular load on it. This system was previously running 2.6.22.y w/o problems with a similar kvm pattern. This time it froze w/o showing any kvm rdmsr messages. And while it froze sometime over night, I cannot be sure when. Here is the SysRq's showPc output: Does 2.6.23 hang immediately? If so, these may be two separate problems and it's worth bisecting to find out what's the fix in 2.6.24-rc. Of course we'll have to address the later hang as well. -- error compiling committee.c: too many arguments to function - 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/
