Sander Eikelenboom
2012-Oct-10 15:58 UTC
Kernel 3.7.0-pre-rc1: mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus, WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0()
Hi Konrad, On boot with a 3.7.0-pre-rc1 (latest commit is 42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb) i always get: [ 75.718807] mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus [ 75.725282] ------------[ cut here ]------------ [ 75.731316] WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0() [ 75.737465] Hardware name: MS-7640 [ 75.743678] Modules linked in: [ 75.749528] Pid: 4344, comm: mcelog Not tainted 3.6.0pre-rc1-20121010 #1 [ 75.755581] Call Trace: [ 75.761303] [<ffffffff810664ea>] warn_slowpath_common+0x7a/0xb0 [ 75.767036] [<ffffffff81066535>] warn_slowpath_null+0x15/0x20 [ 75.772804] [<ffffffff8104102c>] untrack_pfn+0x8c/0xc0 [ 75.778391] [<ffffffff81118ffb>] unmap_single_vma+0x86b/0x8e0 [ 75.784002] [<ffffffff810ff926>] ? release_pages+0x196/0x1f0 [ 75.789484] [<ffffffff81745a25>] ? _raw_spin_unlock_irqrestore+0x75/0xa0 [ 75.794970] [<ffffffff811190bc>] unmap_vmas+0x4c/0xa0 [ 75.800375] [<ffffffff8111b35a>] exit_mmap+0x9a/0x180 [ 75.805748] [<ffffffff81063e52>] mmput+0x52/0xd0 [ 75.811046] [<ffffffff81064297>] dup_mm+0x3c7/0x510 [ 75.816380] [<ffffffff81064fc5>] copy_process+0xad5/0x14b0 [ 75.821777] [<ffffffff81065ae3>] do_fork+0x53/0x360 [ 75.827114] [<ffffffff810b1417>] ? lock_release+0x117/0x250 [ 75.832380] [<ffffffff81745a80>] ? _raw_spin_unlock+0x30/0x60 [ 75.837977] [<ffffffff81746835>] ? sysret_check+0x22/0x5d [ 75.843337] [<ffffffff81016503>] sys_clone+0x23/0x30 [ 75.848567] [<ffffffff81746b93>] stub_clone+0x13/0x20 [ 75.853718] [<ffffffff81746809>] ? system_call_fastpath+0x16/0x1b [ 75.858913] ---[ end trace df00fd3532db355c ]--- xl dmesg and dmesg attached. -- Sander
Konrad Rzeszutek Wilk
2012-Oct-10 18:50 UTC
Re: Kernel 3.7.0-pre-rc1: mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus, WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0()
On Wed, Oct 10, 2012 at 05:58:18PM +0200, Sander Eikelenboom wrote:> Hi Konrad, > > On boot with a 3.7.0-pre-rc1 (latest commit is 42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb) i always get: > > > [ 75.718807] mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus > [ 75.725282] ------------[ cut here ]------------ > [ 75.731316] WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0() > [ 75.737465] Hardware name: MS-7640 > [ 75.743678] Modules linked in: > [ 75.749528] Pid: 4344, comm: mcelog Not tainted 3.6.0pre-rc1-20121010 #1 > [ 75.755581] Call Trace: > [ 75.761303] [<ffffffff810664ea>] warn_slowpath_common+0x7a/0xb0 > [ 75.767036] [<ffffffff81066535>] warn_slowpath_null+0x15/0x20 > [ 75.772804] [<ffffffff8104102c>] untrack_pfn+0x8c/0xc0 > [ 75.778391] [<ffffffff81118ffb>] unmap_single_vma+0x86b/0x8e0 > [ 75.784002] [<ffffffff810ff926>] ? release_pages+0x196/0x1f0 > [ 75.789484] [<ffffffff81745a25>] ? _raw_spin_unlock_irqrestore+0x75/0xa0 > [ 75.794970] [<ffffffff811190bc>] unmap_vmas+0x4c/0xa0 > [ 75.800375] [<ffffffff8111b35a>] exit_mmap+0x9a/0x180 > [ 75.805748] [<ffffffff81063e52>] mmput+0x52/0xd0 > [ 75.811046] [<ffffffff81064297>] dup_mm+0x3c7/0x510 > [ 75.816380] [<ffffffff81064fc5>] copy_process+0xad5/0x14b0 > [ 75.821777] [<ffffffff81065ae3>] do_fork+0x53/0x360 > [ 75.827114] [<ffffffff810b1417>] ? lock_release+0x117/0x250 > [ 75.832380] [<ffffffff81745a80>] ? _raw_spin_unlock+0x30/0x60 > [ 75.837977] [<ffffffff81746835>] ? sysret_check+0x22/0x5d > [ 75.843337] [<ffffffff81016503>] sys_clone+0x23/0x30 > [ 75.848567] [<ffffffff81746b93>] stub_clone+0x13/0x20 > [ 75.853718] [<ffffffff81746809>] ? system_call_fastpath+0x16/0x1b > [ 75.858913] ---[ end trace df00fd3532db355c ]--- > > > xl dmesg and dmesg attached.Heh. Not seeing them. But more importantly, do you have CONFIG_XEN_MCE.. something enabled?> > -- > Sander > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel >
Sander Eikelenboom
2012-Oct-10 19:07 UTC
Re: Kernel 3.7.0-pre-rc1: mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus, WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0()
Wednesday, October 10, 2012, 8:50:57 PM, you wrote:> On Wed, Oct 10, 2012 at 05:58:18PM +0200, Sander Eikelenboom wrote: >> Hi Konrad, >> >> On boot with a 3.7.0-pre-rc1 (latest commit is 42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb) i always get: >> >> >> [ 75.718807] mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus >> [ 75.725282] ------------[ cut here ]------------ >> [ 75.731316] WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0() >> [ 75.737465] Hardware name: MS-7640 >> [ 75.743678] Modules linked in: >> [ 75.749528] Pid: 4344, comm: mcelog Not tainted 3.6.0pre-rc1-20121010 #1 >> [ 75.755581] Call Trace: >> [ 75.761303] [<ffffffff810664ea>] warn_slowpath_common+0x7a/0xb0 >> [ 75.767036] [<ffffffff81066535>] warn_slowpath_null+0x15/0x20 >> [ 75.772804] [<ffffffff8104102c>] untrack_pfn+0x8c/0xc0 >> [ 75.778391] [<ffffffff81118ffb>] unmap_single_vma+0x86b/0x8e0 >> [ 75.784002] [<ffffffff810ff926>] ? release_pages+0x196/0x1f0 >> [ 75.789484] [<ffffffff81745a25>] ? _raw_spin_unlock_irqrestore+0x75/0xa0 >> [ 75.794970] [<ffffffff811190bc>] unmap_vmas+0x4c/0xa0 >> [ 75.800375] [<ffffffff8111b35a>] exit_mmap+0x9a/0x180 >> [ 75.805748] [<ffffffff81063e52>] mmput+0x52/0xd0 >> [ 75.811046] [<ffffffff81064297>] dup_mm+0x3c7/0x510 >> [ 75.816380] [<ffffffff81064fc5>] copy_process+0xad5/0x14b0 >> [ 75.821777] [<ffffffff81065ae3>] do_fork+0x53/0x360 >> [ 75.827114] [<ffffffff810b1417>] ? lock_release+0x117/0x250 >> [ 75.832380] [<ffffffff81745a80>] ? _raw_spin_unlock+0x30/0x60 >> [ 75.837977] [<ffffffff81746835>] ? sysret_check+0x22/0x5d >> [ 75.843337] [<ffffffff81016503>] sys_clone+0x23/0x30 >> [ 75.848567] [<ffffffff81746b93>] stub_clone+0x13/0x20 >> [ 75.853718] [<ffffffff81746809>] ? system_call_fastpath+0x16/0x1b >> [ 75.858913] ---[ end trace df00fd3532db355c ]--- >> >> >> xl dmesg and dmesg attached.> Heh. Not seeing them.> But more importantly, do you have CONFIG_XEN_MCE.. something enabled?# grep XEN_MCE .config # CONFIG_XEN_MCE_LOG is not set Nope>> >> -- >> Sander >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xen.org >> http://lists.xen.org/xen-devel >>
Konrad Rzeszutek Wilk
2012-Oct-10 21:00 UTC
Re: Kernel 3.7.0-pre-rc1: mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus, WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0()
On Wed, Oct 10, 2012 at 09:07:51PM +0200, Sander Eikelenboom wrote:> > Wednesday, October 10, 2012, 8:50:57 PM, you wrote: > > > On Wed, Oct 10, 2012 at 05:58:18PM +0200, Sander Eikelenboom wrote: > >> Hi Konrad, > >> > >> On boot with a 3.7.0-pre-rc1 (latest commit is 42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb) i always get: > >> > >> > >> [ 75.718807] mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus > >> [ 75.725282] ------------[ cut here ]------------ > >> [ 75.731316] WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0() > >> [ 75.737465] Hardware name: MS-7640 > >> [ 75.743678] Modules linked in: > >> [ 75.749528] Pid: 4344, comm: mcelog Not tainted 3.6.0pre-rc1-20121010 #1 > >> [ 75.755581] Call Trace: > >> [ 75.761303] [<ffffffff810664ea>] warn_slowpath_common+0x7a/0xb0 > >> [ 75.767036] [<ffffffff81066535>] warn_slowpath_null+0x15/0x20 > >> [ 75.772804] [<ffffffff8104102c>] untrack_pfn+0x8c/0xc0 > >> [ 75.778391] [<ffffffff81118ffb>] unmap_single_vma+0x86b/0x8e0 > >> [ 75.784002] [<ffffffff810ff926>] ? release_pages+0x196/0x1f0 > >> [ 75.789484] [<ffffffff81745a25>] ? _raw_spin_unlock_irqrestore+0x75/0xa0 > >> [ 75.794970] [<ffffffff811190bc>] unmap_vmas+0x4c/0xa0 > >> [ 75.800375] [<ffffffff8111b35a>] exit_mmap+0x9a/0x180 > >> [ 75.805748] [<ffffffff81063e52>] mmput+0x52/0xd0 > >> [ 75.811046] [<ffffffff81064297>] dup_mm+0x3c7/0x510 > >> [ 75.816380] [<ffffffff81064fc5>] copy_process+0xad5/0x14b0 > >> [ 75.821777] [<ffffffff81065ae3>] do_fork+0x53/0x360 > >> [ 75.827114] [<ffffffff810b1417>] ? lock_release+0x117/0x250 > >> [ 75.832380] [<ffffffff81745a80>] ? _raw_spin_unlock+0x30/0x60 > >> [ 75.837977] [<ffffffff81746835>] ? sysret_check+0x22/0x5d > >> [ 75.843337] [<ffffffff81016503>] sys_clone+0x23/0x30 > >> [ 75.848567] [<ffffffff81746b93>] stub_clone+0x13/0x20 > >> [ 75.853718] [<ffffffff81746809>] ? system_call_fastpath+0x16/0x1b > >> [ 75.858913] ---[ end trace df00fd3532db355c ]--- > >> > >> > >> xl dmesg and dmesg attached. > > > Heh. Not seeing them. > > > But more importantly, do you have CONFIG_XEN_MCE.. something enabled? > > # grep XEN_MCE .config > # CONFIG_XEN_MCE_LOG is not set > > NopeIf you enable that, do these issues go away?
Sander Eikelenboom
2012-Oct-10 23:51 UTC
Re: Kernel 3.7.0-pre-rc1: mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus, WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0()
Wednesday, October 10, 2012, 11:00:37 PM, you wrote:> On Wed, Oct 10, 2012 at 09:07:51PM +0200, Sander Eikelenboom wrote: >> >> Wednesday, October 10, 2012, 8:50:57 PM, you wrote: >> >> > On Wed, Oct 10, 2012 at 05:58:18PM +0200, Sander Eikelenboom wrote: >> >> Hi Konrad, >> >> >> >> On boot with a 3.7.0-pre-rc1 (latest commit is 42859eea96ba6beabfb0369a1eeffa3c7d2bd9cb) i always get: >> >> >> >> >> >> [ 75.718807] mcelog:4344 map pfn expected mapping type write-back for [mem 0x0009f000-0x000a0fff], got uncached-minus >> >> [ 75.725282] ------------[ cut here ]------------ >> >> [ 75.731316] WARNING: at arch/x86/mm/pat.c:774 untrack_pfn+0x8c/0xc0() >> >> [ 75.737465] Hardware name: MS-7640 >> >> [ 75.743678] Modules linked in: >> >> [ 75.749528] Pid: 4344, comm: mcelog Not tainted 3.6.0pre-rc1-20121010 #1 >> >> [ 75.755581] Call Trace: >> >> [ 75.761303] [<ffffffff810664ea>] warn_slowpath_common+0x7a/0xb0 >> >> [ 75.767036] [<ffffffff81066535>] warn_slowpath_null+0x15/0x20 >> >> [ 75.772804] [<ffffffff8104102c>] untrack_pfn+0x8c/0xc0 >> >> [ 75.778391] [<ffffffff81118ffb>] unmap_single_vma+0x86b/0x8e0 >> >> [ 75.784002] [<ffffffff810ff926>] ? release_pages+0x196/0x1f0 >> >> [ 75.789484] [<ffffffff81745a25>] ? _raw_spin_unlock_irqrestore+0x75/0xa0 >> >> [ 75.794970] [<ffffffff811190bc>] unmap_vmas+0x4c/0xa0 >> >> [ 75.800375] [<ffffffff8111b35a>] exit_mmap+0x9a/0x180 >> >> [ 75.805748] [<ffffffff81063e52>] mmput+0x52/0xd0 >> >> [ 75.811046] [<ffffffff81064297>] dup_mm+0x3c7/0x510 >> >> [ 75.816380] [<ffffffff81064fc5>] copy_process+0xad5/0x14b0 >> >> [ 75.821777] [<ffffffff81065ae3>] do_fork+0x53/0x360 >> >> [ 75.827114] [<ffffffff810b1417>] ? lock_release+0x117/0x250 >> >> [ 75.832380] [<ffffffff81745a80>] ? _raw_spin_unlock+0x30/0x60 >> >> [ 75.837977] [<ffffffff81746835>] ? sysret_check+0x22/0x5d >> >> [ 75.843337] [<ffffffff81016503>] sys_clone+0x23/0x30 >> >> [ 75.848567] [<ffffffff81746b93>] stub_clone+0x13/0x20 >> >> [ 75.853718] [<ffffffff81746809>] ? system_call_fastpath+0x16/0x1b >> >> [ 75.858913] ---[ end trace df00fd3532db355c ]--- >> >> >> >> >> >> xl dmesg and dmesg attached. >> >> > Heh. Not seeing them. >> >> > But more importantly, do you have CONFIG_XEN_MCE.. something enabled? >> >> # grep XEN_MCE .config >> # CONFIG_XEN_MCE_LOG is not set >> >> Nope> If you enable that, do these issues go away?Nope, doesn''t change a thing ...