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SubjectRe: [PATCHSET RFC] ptrace,signal: clean transition between STOPPED and TRACED
On 01/31, Tejun Heo wrote:
>
> Hello,
>
> On Fri, Jan 28, 2011 at 12:40:30PM -0800, Roland McGrath wrote:
> > > Okay, just finished ran make check with and without the patchset.
> > > Without the patchset, 2.6.38-rc2 failed five tests.
> >
> > Hmm. I didn't think we were in that poor a state, but it has been quite a
> > while since I looked. I wonder if that's a regression from a few releases
> > back, or what. Oleg and Jan should know better than I do about the state
> > of these tests.
>
> Also, the first test of xcheck seems to enter infinite loop.

Are you sure late-ptrace-may-attach-check hangs? Perhaps it is the next
one, tracer-lockup-on-sighandler-kill, it needs a lot of time to finish.
IIRC, some time ago I did the testing with your patches applied (under
kvm), I didn't notice anything unexpected.

Unfortunately, these tests are more or less "random", usually a new
test-case appears when we find a bug.

Oleg.



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