Re: linux acpi (thunderbolt? bug)

[Andy Shevchenko]

+Cc: Mika -- the Thunderbolt guy.

On Wed, Feb 14, 2018 at 2:09 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> On Wed, 14 Feb 2018, Yuriy Vostrikov wrote:
>> after boot
>> name:   VECTOR
>>  size:   0
>>  mapped: 64
>>  flags:  0x00000041
>> Online bitmaps:        2
>> Global available:    368
>> Global reserved:      26
>> Total allocated:      38
>> System: 41: 0-19,32,50,128,238-255
>>  | CPU | avl | man | act | vectors
>>      0   184     1    19  33-49,51-52
>>      1   184     1    19  33-49,51-52
>>
>> after unplug
>> name:   VECTOR
>>  size:   0
>>  mapped: 55
>>  flags:  0x00000041
>> Online bitmaps:        2
>> Global available:    377
>> Global reserved:      26
>> Total allocated:      29
>> System: 41: 0-19,32,50,128,238-255
>>  | CPU | avl | man | act | vectors
>>      0   188     1    15  33-46,48
>>      1   189     1    14  33-46
>>
>> after sleep 1 time
>> name:   VECTOR
>>  size:   0
>>  mapped: 35
>>  flags:  0x00000041
>> Online bitmaps:        2
>> Global available:    385
>> Global reserved:      12
>> Total allocated:      32
>> System: 41: 0-19,32,50,128,238-255
>>  | CPU | avl | man | act | vectors
>>      0   185     1    18  33-43,46-49,51-53
>>      1   200     1     3  33-37
>
> The accounting is already screwed. CPU1 claims to have 3 allocated vectors,
> but the allocation bitmap has 5 bits set !?!
>
> I have no idea yet how that can happen. Lemme stare into the code some more
> and I came back to you.
>
> Thanks,
>
>         tglx



-- 
With Best Regards,
Andy Shevchenko