Re: [Xen-ia64-devel] [PATCH] emulate PAL_HALT_LIGHT on domU

[Atsushi SAKAI <sakaia@xxxxxxxxxxxxxx>]

Hi, Tristan.

(just change the word from scheduler to timer,
 and add code links, sorry for disturbing you.)

I have no idea without changing the linux timer code.
I also want to know the idea to solve your problem.

If the linux stops over 10 seconds, it appears.
On Xen, that problem is common in x86/VTx, IA64/noVTI and VTI.

soft lockup code:
https://www.codeblog.org/gonzui/markup/linux-2.6.16.18/kernel/softlockup.c?q=package%3Alinux-2.6.16.18+fundef%3Asoftlockup_tick#l47

Thanks,
Atsushi SAKAI


>I have a question related to the timer.
>
>If you pause/unpause a domain for more than 10 secs the softlock watchdog is 
>trigerred.  It seems to be harmless but not very elegant.
>
>What are the possible solutions apart disabling the softlock watchdog ?
>
>Tristan.
>



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