On 16/11/20 10:27, Oleksandr Natalenko wrote:
> Hi.
[...]
> Not sure whether the check is legitimate, but FWIW I've managed to put a 
> test task [1] (it spawns a lot of threads and applies affinity) into a 
> permanent unkillable D state here:
>
> ```
> [<0>] affine_move_task+0x2d3/0x620
> [<0>] __set_cpus_allowed_ptr+0x164/0x210
> [<0>] sched_setaffinity+0x21a/0x300
> [<0>] __x64_sys_sched_setaffinity+0x8c/0xc0
> [<0>] do_syscall_64+0x33/0x40
> [<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> ```
[...]
>
> I'm not positive about this being directly related to the original 
> report, but I think it is still worth mentioning.
>

Aye, thanks, that one should be fixed by:

https://lore.kernel.org/r/[email protected]

> Thanks.
>
> [1] https://gitlab.com/post-factum/burn_scheduler

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