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SubjectRe: linux acpi (thunderbolt? bug)
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

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