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xen-devel
Re: [Xen-devel] unstable binaries
On Mon, Mar 07, 2005 at 09:47:20PM +0100, nils toedtmann wrote:
> Ok, after lots of compiling, rebooting & testing, i got this picture:
>
> The error "wget: retr.c:293: calc_rate: Assertion `msecs >= 0' failed."
> is still present with xen-2.0-testing ("ChangeSet@xxxxxx, 2005-03-04
> 00:57:22"), but now i have to trigger them by higher load. I was not
> able to reproduce it on a vanilla kernel with same config (besides
> ARCH specific options).
> <<<test_output>>>
> nanosleep02 1 FAIL : Remaining sleep time 4010000 usec doesn't match
> with the expected 3999236 usec time
> nanosleep02 1 FAIL : child process exited abnormally
> incrementing stop
> <<<execution_status>>>
> duration=1 termination_type=exited termination_id=1 corefile=no
> cutime=0 cstime=0
> <<<test_end>>>
the failure is just a precision range problem. increasing the nanosleep
USEC_PRECISION to 10 times more make the test suceed.
Now running with HZ = 1000 make the precision problem disappear (at the
expense of awakening the test 700ns too soon and still failing ..)
Could you try running with HZ = 1000 to see if there are still problems
with your programs ?
Also the strace output of the wget program failing might be handy to
know if there's a link with nanosleep at least.
--
Vincent Hanquez
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