how to debug thread stuck in filemap_fault

[Mulyadi Santosa]

On Wed, May 15, 2013 at 5:19 PM, shuang liu <l121282s at yahoo.com.cn> wrote:
> Hi, there,
>
> some user space threads, say thread-X stuck in  sleep_on_page_killable @
> filemap_fault().
>
> my question is :
> in normal flow, how to wakeup thread-X from wait_on_page_locked_killable() ?
> How can I go further to debug this issue?


Looking at lxr.linux.no (kernel version 3.9.2), it seems that by
sending SIGKILL signal, you can abort the flow. But I am not sure how
safe it is
-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
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