Mailing List Archive: 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

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()

linux at eikelenboom

Oct 10, 2012, 8:58 AM

Post #1 of 5 (672 views)

Permalink

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

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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() [ In reply to ]

konrad at kernel

Oct 10, 2012, 11:50 AM

Post #2 of 5 (662 views)

Permalink

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
>

_______________________________________________
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linux at eikelenboom

Oct 10, 2012, 12:07 PM

Post #3 of 5 (660 views)

Permalink

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
>>

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel

konrad at kernel

Oct 10, 2012, 2:00 PM

Post #4 of 5 (662 views)

Permalink

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?

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linux at eikelenboom

Oct 10, 2012, 4:51 PM

Post #5 of 5 (655 views)

Permalink

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 ...

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