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SubjectRe: [HMM 12/15] mm/migrate: new memory migration helper for use with device memory v4
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On 7/11/17 11:49 AM, Jerome Glisse wrote:

>
> What are the symptoms ? The program just stop making any progress and you
> trigger a sysrequest to dump current states of each threads ? In this
> log i don't see migration_entry_wait() anymore but it seems to be waiting
> on page lock so there might be 2 issues here.
>
> Jérôme

That is correct, the program is not making any progress.

The stack traces in the kernel log are produced by a "sysrq w" (blocked
tasks) command.

Thanks,

--
Evgeny Baskakov
NVIDIA

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