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Re: [Xen-ia64-devel] LTP case nanosleep02 failed in Xen0

from [Tristan Gingold]

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To:	"You, Yongkang" <yongkang.you@xxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-ia64-devel] LTP case nanosleep02 failed in Xen0
From:	Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date:	Thu, 16 Mar 2006 13:16:55 +0100
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Le Jeudi 16 Mars 2006 09:47, You, Yongkang a écrit :
> Hi all,
>
> I have updated LTP to latest 20060306.
> After running it, I found there were several failed cases in recent
> xen-ia64-unstable source. I will report them in sequence. I run the latest
> LTP on Cset 9267 on Tiger 4 Itanium 2.
>
> Nanosleep02 is one of system call case. This case is interesting, sometime
> it is pass, sometime is fail. So maybe there are something wrong with the
> timer of Xen0?
>
> [root@tiger4 bin]# ./nanosleep02
> nanosleep02    1  FAIL  :  Remaining sleep time 3998 msec doesn't match
> with the expected 3999 msec time nanosleep02    1  FAIL  :  child process
> exited abnormally
I don't think there is something wrong.
I suppose dom0 may look slow or hanged.
I suppose this test could also fail on ia64 if an interrupt arrives at the 
'good' time.
According to the error message, the test is not that wrong.

Tristan.


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