WARNING: CPU: 0 PID: 1 at /build/linux-dp17Ba/linux-4.9.18/arch/powerpc/lib/feature-fixups.c:208 check_features+0x38/0x7c

[Mathieu Malaterre]

On Sun, May 7, 2017 at 9:53 AM, Linux User #330250
<linuxuser330250 at gmx.net> wrote:
> Am 2017-05-06 um 16:11 schrieb Linux User #330250:
>>
>> Am 2017-05-04 um 12:15 schrieb Michael Ellerman:
>>>
>>> Mathieu Malaterre <mathieu.malaterre at gmail.com> writes:
>>>
>>>> Hi all,
>>>>
>>>> Does this dmesg output speaks to anyone here (smp kernel):
>>>>
>>>>
>>>> [    4.767389] ------------[ cut here ]------------
>>>> [    4.774668] WARNING: CPU: 0 PID: 1 at
>>>> /build/linux-dp17Ba/linux-4.9.18/arch/powerpc/lib/feature-fixups.c:208
>>>> check_features+0x38/0x7c
>>>
>>> Is there anything prior to the "cut here" line?
>>>
>>> cheers
>>>
>>
>> # uname -a
>> Linux G4QS 4.9.0-2-powerpc-smp #1 SMP Debian 4.9.18-1 (2017-03-30) ppc
>> GNU/Linux
>
>
> Follow-up: I updated to 4.9.0-3-powerpc-smp Debian kernel, which is 4.9.25-1
> (2017-05-02) and the fault is still the same.
> Overnight I also compiled a vanilla 4.11.0 kernel using the Debian config as
> a starting point and "make olddefconfig" for a couple of new config options,
> booted it today and it gives the same messages.
>
> This is 4.9.25-1 (Debian 4.9.0-3) smp kernel: https://pastebin.com/vq7XQ39U
> NET: Registered protocol family 17
> mpls_gso: MPLS GSO support
> CPU features changed after feature patching!
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 1 at
> /build/linux-pGBmiG/linux-4.9.25/arch/powerpc/lib/feature-fixups.c:208
> check_features+0x38/0x7c
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.0-3-powerpc-smp #1 Debian
> 4.9.25-1
> task: df4aa9a0 task.stack: df4e8000
> NIP: c07e3a00 LR: c07e3a00 CTR: 00000000
> REGS: df4e9dd0 TRAP: 0700   Not tainted  (4.9.0-3-powerpc-smp Debian
> 4.9.25-1)
> MSR: 00029032 <EE,ME,IR,DR,RI>
>   CR: 28000422  XER: 00000000
>
> GPR00: c07e3a00 df4e9e80 df4aa9a0 0000002c 00009032 0000010d ffffffff
> 00000000
> GPR08: 00000001 c0861064 c0861064 00000000 22000444 00000000 c00048b8
> 00000000
> GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> c08d0000
> GPR24: c07dbcec c08449b4 c07d3ab4 c0823434 00000000 c08d6610 c08d0000
> c0820000
> NIP [c07e3a00] check_features+0x38/0x7c
> LR [c07e3a00] check_features+0x38/0x7c
> Call Trace:
> [df4e9e80] [c07e3a00] check_features+0x38/0x7c (unreliable)
> [df4e9e90] [c0004214] do_one_initcall+0x4c/0x188
> [df4e9f00] [c07dc5c8] kernel_init_freeable+0x198/0x230
> [df4e9f30] [c00048dc] kernel_init+0x24/0x128
> [df4e9f40] [c0018080] ret_from_kernel_thread+0x5c/0x64
> --- interrupt: 0 at   (null)
>     LR =   (null)
> Instruction dump:
> bfc10008 90010014 3fc0c08d 811e6028 3fe0c082 80ff45c4 8108000c 7f883800
> 41be0014 3c60c072 3863cb38 4be574f5 <0fe00000> 815e6028 3bff45c4 813f0004
> ---[ end trace db276e67fcbb7c47 ]---
> registered taskstats version 1
> zswap: loaded using pool lzo/zbud
> ima: No TPM chip found, activating TPM-bypass!
>
>
> This is my vanilla 4.11.0 kernel (based on Debian kernel config):
> https://pastebin.com/n5nPMS9g
> NET: Registered protocol family 17
> mpls_gso: MPLS GSO support
> CPU features changed after feature patching!
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 1 at arch/powerpc/lib/feature-fixups.c:209
> check_features+0x38/0x7c
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.11.0 #1
> task: df4da020 task.stack: df4dc000
> NIP: c0822768 LR: c0822768 CTR: 00000000
> REGS: df4ddde0 TRAP: 0700   Not tainted  (4.11.0)
> MSR: 00029032 <EE,ME,IR,DR,RI>
>   CR: 28301422  XER: 00000000
>
> GPR00: c0822768 df4dde90 df4da020 0000002c 00001032 0000010e ffffffff
> 1f2b3000
> GPR08: 00001032 c08a2208 c08a2208 00000000 28301422 00000000 c0004880
> 00000000
> GPR16: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> c0920000
> GPR24: c081a9c8 c0883c2c c08129a0 c0863494 00000000 c091a670 c0920000
> c0860000
> NIP [c0822768] check_features+0x38/0x7c
> LR [c0822768] check_features+0x38/0x7c
> Call Trace:
> [df4dde90] [c0822768] check_features+0x38/0x7c (unreliable)
> [df4ddea0] [c00041ec] do_one_initcall+0x4c/0x178
> [df4ddf00] [c081b2b4] kernel_init_freeable+0x1a0/0x238
> [df4ddf30] [c00048a4] kernel_init+0x24/0x120
> [df4ddf40] [c0018900] ret_from_kernel_thread+0x5c/0x64
> Instruction dump:
> bfc10008 90010014 3fc0c092 811ea028 3fe0c086 80ff4624 8108000c 7f883800
> 41be0014 3c60c076 3863d154 4be44e45 <0fe00000> 815ea028 3bff4624 813f0004
> ---[ end trace c67815660f5f31c3 ]---
> registered taskstats version 1
> zswap: loaded using pool lzo/zbud
> ima: No TPM chip found, activating TPM-bypass! (rc=-19)
>

Any update/suggestion so far ?

Thanks