Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1730026 > unrolled thread

Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

Started byAndy Lutomirski <luto@kernel.org>
First post2017-09-10 19:50 +0200
Last post2017-09-15 19:10 +0200
Articles 6 — 3 participants

Back to article view | Back to linux.kernel

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.

Contents

  Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130 Andy Lutomirski <luto@kernel.org> - 2017-09-10 19:50 +0200
    Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237  initialize_tlbstate_and_flush+0x120/0x130 Thomas Voegtle <tv@lio96.de> - 2017-09-13 15:10 +0200
      Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130 Andy Lutomirski <luto@kernel.org> - 2017-09-14 18:50 +0200
        Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237  initialize_tlbstate_and_flush+0x120/0x130 Thomas Voegtle <tv@lio96.de> - 2017-09-14 19:00 +0200
    Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237  initialize_tlbstate_and_flush+0x120/0x130 Paul Menzel <pmenzel@molgen.mpg.de> - 2017-09-15 11:30 +0200
      Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130 Andy Lutomirski <luto@kernel.org> - 2017-09-15 19:10 +0200

#1730026 — Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

FromAndy Lutomirski <luto@kernel.org>
Date2017-09-10 19:50 +0200
SubjectRe: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130
Message-ID<uoewO-7d2-9@gated-at.bofh.it>
On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de> wrote:
> Dear Linux folks,
>
>
> With Linux built from commit 4dfc2788033d (Merge tag 'iommu-updates-v4.14'
> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
> warning below on a Lenovo X60t with a 32-bit CPU.

Indeed.  I sent a patch this morning.  The warning is harmless -- the
warning condition has a typo.

[toc] | [next] | [standalone]

#1731598 — Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

FromThomas Voegtle <tv@lio96.de>
Date2017-09-13 15:10 +0200
SubjectRe: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130
Message-ID<upfAt-7M6-7@gated-at.bofh.it>
In reply to#1730026
On Sun, 10 Sep 2017, Andy Lutomirski wrote:

> On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de> wrote:
>> Dear Linux folks,
>>
>>
>> With Linux built from commit 4dfc2788033d (Merge tag 'iommu-updates-v4.14'
>> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
>> warning below on a Lenovo X60t with a 32-bit CPU.
>
> Indeed.  I sent a patch this morning.  The warning is harmless -- the
> warning condition has a typo.


I get that warning (4 times) with that typo fix:



[    0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/mm/tlb.c:245 
initialize_tlbstate_and_flush+0x6e/0xf0
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 
4.13.0-i5-11559-g6d8ef53e8b2f #176
[    0.000000] Hardware name: BIOSTAR Group H81MG/H81MG, BIOS 4.6.5 
06/27/2014
[    0.000000] task: ffffffff8680e480 task.stack: ffffffff86800000
[    0.000000] RIP: 0010:initialize_tlbstate_and_flush+0x6e/0xf0
[    0.000000] RSP: 0000:ffffffff86803e60 EFLAGS: 00010046
[    0.000000] RAX: ffffffff8682c1c0 RBX: 0000000000000000 RCX: 
0000000062809000
[    0.000000] RDX: 00000000000406b0 RSI: 0000000006809000 RDI: 
0000000000000000
[    0.000000] RBP: ffffffff86803e60 R08: 0000000062809000 R09: 
ffffffff8697b800
[    0.000000] R10: 0000ffffffffffff R11: ffffffff0000ffff R12: 
ffff8d7b00a16380
[    0.000000] R13: 0000000000000000 R14: ffff8d7b00a0c3a0 R15: 
ffffffff8680e480
[    0.000000] FS:  0000000000000000(0000) GS:ffff8d7b00a00000(0000) 
knlGS:0000000000000000
[    0.000000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    0.000000] CR2: ffff8d7b00dff000 CR3: 0000000062809000 CR4: 
00000000000406b0
[    0.000000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[    0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 
0000000000000400
[    0.000000] Call Trace:
[    0.000000]  cpu_init+0x1bd/0x4a0
[    0.000000]  trap_init+0x3e/0x50
[    0.000000]  start_kernel+0x2ad/0x3fc
[    0.000000]  ? set_init_arg+0x55/0x55
[    0.000000]  x86_64_start_reservations+0x24/0x26
[    0.000000]  x86_64_start_kernel+0x6f/0x72
[    0.000000]  secondary_startup_64+0xa5/0xa5
[    0.000000] Code: 48 01 f2 49 39 d0 0f 85 94 00 00 00 48 8b 15 be f6 84 
00 f7 c2 00 00 02 00 74 12 65 48 8b 15 7a c7 fd 79 f7 c2 00 00 02 00 75 02 
<0f> ff 48 81 e1 00 f0 ff ff 0f 22 d9 65 66 c7 05 54 c7 fd 79 00


What's wrong here?


That is v4.13-11559-g6d8ef53e8b2f
CONFIG_DEBUG_VM is not set
Haswell i5-4570


       Thomas

[toc] | [prev] | [next] | [standalone]

#1732451

FromAndy Lutomirski <luto@kernel.org>
Date2017-09-14 18:50 +0200
Message-ID<upFuV-7wa-7@gated-at.bofh.it>
In reply to#1731598
On Wed, Sep 13, 2017 at 5:59 AM, Thomas Voegtle <tv@lio96.de> wrote:
> On Sun, 10 Sep 2017, Andy Lutomirski wrote:
>
>> On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de>
>> wrote:
>>>
>>> Dear Linux folks,
>>>
>>>
>>> With Linux built from commit 4dfc2788033d (Merge tag
>>> 'iommu-updates-v4.14'
>>> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
>>> warning below on a Lenovo X60t with a 32-bit CPU.
>>
>>
>> Indeed.  I sent a patch this morning.  The warning is harmless -- the
>> warning condition has a typo.
>
>
>
> I get that warning (4 times) with that typo fix:
>
>
>
> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/mm/tlb.c:245
> initialize_tlbstate_and_flush+0x6e/0xf0
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted
> 4.13.0-i5-11559-g6d8ef53e8b2f #176
> [    0.000000] Hardware name: BIOSTAR Group H81MG/H81MG, BIOS 4.6.5
> 06/27/2014
> [    0.000000] task: ffffffff8680e480 task.stack: ffffffff86800000
> [    0.000000] RIP: 0010:initialize_tlbstate_and_flush+0x6e/0xf0
> [    0.000000] RSP: 0000:ffffffff86803e60 EFLAGS: 00010046
> [    0.000000] RAX: ffffffff8682c1c0 RBX: 0000000000000000 RCX:
> 0000000062809000
> [    0.000000] RDX: 00000000000406b0 RSI: 0000000006809000 RDI:
> 0000000000000000
> [    0.000000] RBP: ffffffff86803e60 R08: 0000000062809000 R09:
> ffffffff8697b800
> [    0.000000] R10: 0000ffffffffffff R11: ffffffff0000ffff R12:
> ffff8d7b00a16380
> [    0.000000] R13: 0000000000000000 R14: ffff8d7b00a0c3a0 R15:
> ffffffff8680e480
> [    0.000000] FS:  0000000000000000(0000) GS:ffff8d7b00a00000(0000)
> knlGS:0000000000000000
> [    0.000000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [    0.000000] CR2: ffff8d7b00dff000 CR3: 0000000062809000 CR4:
> 00000000000406b0
> [    0.000000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [    0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [    0.000000] Call Trace:
> [    0.000000]  cpu_init+0x1bd/0x4a0
> [    0.000000]  trap_init+0x3e/0x50
> [    0.000000]  start_kernel+0x2ad/0x3fc
> [    0.000000]  ? set_init_arg+0x55/0x55
> [    0.000000]  x86_64_start_reservations+0x24/0x26
> [    0.000000]  x86_64_start_kernel+0x6f/0x72
> [    0.000000]  secondary_startup_64+0xa5/0xa5
> [    0.000000] Code: 48 01 f2 49 39 d0 0f 85 94 00 00 00 48 8b 15 be f6 84
> 00 f7 c2 00 00 02 00 74 12 65 48 8b 15 7a c7 fd 79 f7 c2 00 00 02 00 75 02
> <0f> ff 48 81 e1 00 f0 ff ff 0f 22 d9 65 66 c7 05 54 c7 fd 79 00
>
>
> What's wrong here?
>

Try Linus' tree now -- it should be fixed.

[toc] | [prev] | [next] | [standalone]

#1732456 — Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

FromThomas Voegtle <tv@lio96.de>
Date2017-09-14 19:00 +0200
SubjectRe: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130
Message-ID<upFEB-7zL-1@gated-at.bofh.it>
In reply to#1732451
On Thu, 14 Sep 2017, Andy Lutomirski wrote:

> On Wed, Sep 13, 2017 at 5:59 AM, Thomas Voegtle <tv@lio96.de> wrote:
>> On Sun, 10 Sep 2017, Andy Lutomirski wrote:
>>
>>> On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de>
>>> wrote:
>>>>
>>>> Dear Linux folks,
>>>>
>>>>
>>>> With Linux built from commit 4dfc2788033d (Merge tag
>>>> 'iommu-updates-v4.14'
>>>> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
>>>> warning below on a Lenovo X60t with a 32-bit CPU.
>>>
>>>
>>> Indeed.  I sent a patch this morning.  The warning is harmless -- the
>>> warning condition has a typo.
>>
>>
>>
>> I get that warning (4 times) with that typo fix:
>>
>>
>>
>> [    0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/mm/tlb.c:245
>> initialize_tlbstate_and_flush+0x6e/0xf0
>> [    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted
>> 4.13.0-i5-11559-g6d8ef53e8b2f #176
>> [    0.000000] Hardware name: BIOSTAR Group H81MG/H81MG, BIOS 4.6.5
>> 06/27/2014
>> [    0.000000] task: ffffffff8680e480 task.stack: ffffffff86800000
>> [    0.000000] RIP: 0010:initialize_tlbstate_and_flush+0x6e/0xf0
>> [    0.000000] RSP: 0000:ffffffff86803e60 EFLAGS: 00010046
>> [    0.000000] RAX: ffffffff8682c1c0 RBX: 0000000000000000 RCX:
>> 0000000062809000
>> [    0.000000] RDX: 00000000000406b0 RSI: 0000000006809000 RDI:
>> 0000000000000000
>> [    0.000000] RBP: ffffffff86803e60 R08: 0000000062809000 R09:
>> ffffffff8697b800
>> [    0.000000] R10: 0000ffffffffffff R11: ffffffff0000ffff R12:
>> ffff8d7b00a16380
>> [    0.000000] R13: 0000000000000000 R14: ffff8d7b00a0c3a0 R15:
>> ffffffff8680e480
>> [    0.000000] FS:  0000000000000000(0000) GS:ffff8d7b00a00000(0000)
>> knlGS:0000000000000000
>> [    0.000000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [    0.000000] CR2: ffff8d7b00dff000 CR3: 0000000062809000 CR4:
>> 00000000000406b0
>> [    0.000000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
>> 0000000000000000
>> [    0.000000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
>> 0000000000000400
>> [    0.000000] Call Trace:
>> [    0.000000]  cpu_init+0x1bd/0x4a0
>> [    0.000000]  trap_init+0x3e/0x50
>> [    0.000000]  start_kernel+0x2ad/0x3fc
>> [    0.000000]  ? set_init_arg+0x55/0x55
>> [    0.000000]  x86_64_start_reservations+0x24/0x26
>> [    0.000000]  x86_64_start_kernel+0x6f/0x72
>> [    0.000000]  secondary_startup_64+0xa5/0xa5
>> [    0.000000] Code: 48 01 f2 49 39 d0 0f 85 94 00 00 00 48 8b 15 be f6 84
>> 00 f7 c2 00 00 02 00 74 12 65 48 8b 15 7a c7 fd 79 f7 c2 00 00 02 00 75 02
>> <0f> ff 48 81 e1 00 f0 ff ff 0f 22 d9 65 66 c7 05 54 c7 fd 79 00
>>
>>
>> What's wrong here?
>>
>
> Try Linus' tree now -- it should be fixed.


Yes, done that already, no problems anymore.

  Thanks

[toc] | [prev] | [next] | [standalone]

#1732794 — Re: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130

FromPaul Menzel <pmenzel@molgen.mpg.de>
Date2017-09-15 11:30 +0200
SubjectRe: WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:237 initialize_tlbstate_and_flush+0x120/0x130
Message-ID<upV6G-Sy-13@gated-at.bofh.it>
In reply to#1730026
Dear Andy,


On 09/10/17 19:42, Andy Lutomirski wrote:
> On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de> wrote:

>> With Linux built from commit 4dfc2788033d (Merge tag 'iommu-updates-v4.14'
>> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
>> warning below on a Lenovo X60t with a 32-bit CPU.
> 
> Indeed.  I sent a patch this morning.  The warning is harmless -- the
> warning condition has a typo.

I am still seeing this with commit 711aab1dbb32 (vfs: constify path 
argument to kernel_read_file_from_path), which is the latest from Linus’ 
master branch.

```
[    0.004000] ------------[ cut here ]------------
[    0.004000] WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:257 
initialize_tlbstate_and_flush+0x120/0x130
[    0.004000] Modules linked in:
[    0.004000] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.13.0+ #132
[    0.004000] Hardware name: LENOVO 636338U/636338U, BIOS CBET4000 
TIMELESS 01/01/1970
[    0.004000] task: f4113380 task.stack: f4118000
[    0.004000] EIP: initialize_tlbstate_and_flush+0x120/0x130
[    0.004000] EFLAGS: 00210006 CPU: 1
[    0.004000] EAX: 159bd000 EBX: d5892d00 ECX: d59c0000 EDX: 159c0000
[    0.004000] ESI: 00000000 EDI: 00000000 EBP: f4119f60 ESP: f4119f50
[    0.004000]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[    0.004000] CR0: 80050033 CR2: 00000000 CR3: 159bd000 CR4: 00000690
[    0.004000] Call Trace:
[    0.004000]  cpu_init+0xc3/0x260
[    0.004000]  start_secondary+0x33/0x1c0
[    0.004000]  startup_32_smp+0x164/0x166
[    0.004000] Code: 04 00 00 00 00 89 c8 50 9d 8d 74 26 00 83 c3 10 81 
fb 4c 50 9b d5 75 c9 58 5b 5e 5f 5d c3 90 8d 74 26 00 0f ff e9 3c ff ff 
ff 90 <0f> ff e9 13 ff ff ff 89 f6 8d bc 27 00 00 00 00 3e 8d 74 26 00
[    0.004000] ---[ end trace 17f2b31512589856 ]---
```


Kind regards,

Paul

[toc] | [prev] | [next] | [standalone]

#1732956

FromAndy Lutomirski <luto@kernel.org>
Date2017-09-15 19:10 +0200
Message-ID<uq2hP-5TN-7@gated-at.bofh.it>
In reply to#1732794
On Fri, Sep 15, 2017 at 2:25 AM, Paul Menzel <pmenzel@molgen.mpg.de> wrote:
> Dear Andy,
>
>
> On 09/10/17 19:42, Andy Lutomirski wrote:
>>
>> On Sat, Sep 9, 2017 at 11:48 PM, Paul Menzel <pmenzel@molgen.mpg.de>
>> wrote:
>
>
>>> With Linux built from commit 4dfc2788033d (Merge tag
>>> 'iommu-updates-v4.14'
>>> of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu), I get the
>>> warning below on a Lenovo X60t with a 32-bit CPU.
>>
>>
>> Indeed.  I sent a patch this morning.  The warning is harmless -- the
>> warning condition has a typo.
>
>
> I am still seeing this with commit 711aab1dbb32 (vfs: constify path argument
> to kernel_read_file_from_path), which is the latest from Linus’ master
> branch.
>
> ```
> [    0.004000] ------------[ cut here ]------------
> [    0.004000] WARNING: CPU: 1 PID: 0 at arch/x86/mm/tlb.c:257
> initialize_tlbstate_and_flush+0x120/0x130
> [    0.004000] Modules linked in:
> [    0.004000] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.13.0+ #132
> [    0.004000] Hardware name: LENOVO 636338U/636338U, BIOS CBET4000 TIMELESS
> 01/01/1970
> [    0.004000] task: f4113380 task.stack: f4118000
> [    0.004000] EIP: initialize_tlbstate_and_flush+0x120/0x130
> [    0.004000] EFLAGS: 00210006 CPU: 1
> [    0.004000] EAX: 159bd000 EBX: d5892d00 ECX: d59c0000 EDX: 159c0000
> [    0.004000] ESI: 00000000 EDI: 00000000 EBP: f4119f60 ESP: f4119f50
> [    0.004000]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> [    0.004000] CR0: 80050033 CR2: 00000000 CR3: 159bd000 CR4: 00000690
> [    0.004000] Call Trace:
> [    0.004000]  cpu_init+0xc3/0x260
> [    0.004000]  start_secondary+0x33/0x1c0
> [    0.004000]  startup_32_smp+0x164/0x166
> [    0.004000] Code: 04 00 00 00 00 89 c8 50 9d 8d 74 26 00 83 c3 10 81 fb
> 4c 50 9b d5 75 c9 58 5b 5e 5f 5d c3 90 8d 74 26 00 0f ff e9 3c ff ff ff 90
> <0f> ff e9 13 ff ff ff 89 f6 8d bc 27 00 00 00 00 3e 8d 74 26 00
> [    0.004000] ---[ end trace 17f2b31512589856 ]---
> ```

I can reproduce this on a 32-bit build.  The code is Obviously Correct
(tm), so I'm adding tracing to figure out what's going on.  Stay
tuned...

[toc] | [prev] | [standalone]

Back to top | Article view | linux.kernel

csiph-web