My point was, the discussed problems with ptrace stop probably are
not ptrace-only, we need other changes. Hopefully we should address
them after v1.
Sure.
But I'd prefer to delay this discussion unless you think we should
fix this right now.
I'm glad to stop thinking about it for a
On 10/11, Roland McGrath wrote:
Yes. In particular, ptrace(PTRACE_DETACH, SIGKILL) should cancel
SIGNAL_STOP_STOPPED, yes?
Yes.
OK.
SIGNAL_STOP_DEQUEUED exists for one purpose. It's to ensure that SIGCONT
and SIGKILL can clear it to make complete their required effect of clearing
all
Incomplete reply, just can't read/think/concentrate today...
On 10/07, Roland McGrath wrote:
We had a lengthy discussion about this.
Yes. I only ever wanted that revert then because it was too late in the
2.6.30 cycle to hash this all out and get it really right. I meant that
we should
On 10/06, Jan Kratochvil wrote:
On Mon, 05 Oct 2009 04:32:08 +0200, Oleg Nesterov wrote:
[...]
Firstly, I think we should un-revert
edaba2c5334492f82d39ec35637c6dea5176a977.
This unconditional wakeup is hopelessly wrong imho, and it is removed
from utrace-ptrace code. But this breaks
I do not know. I'd leave this to Roland. I mean, if he thinks this
should be fixed - I'll try to fix.
But. This all looks unfixeable to me. In my opinion, the kernel is
obviously wrong, and test-case are wrong too. And any fix in this
area is user-visible and can break the current
On Mon, 05 Oct 2009 04:32:08 +0200, Oleg Nesterov wrote:
On 10/01, Jan Kratochvil wrote:
the ptrace-testsuite
http://sourceware.org/systemtap/wiki/utrace/tests
currently FAILs (also) on Fedora 12 kernel-2.6.31.1-48.fc12.x86_64 for:
FAIL: detach-stopped
FAIL:
(add Roland)
On 10/01, Jan Kratochvil wrote:
the ptrace-testsuite
http://sourceware.org/systemtap/wiki/utrace/tests
currently FAILs (also) on Fedora 12 kernel-2.6.31.1-48.fc12.x86_64 for:
FAIL: detach-stopped
FAIL: stopped-attach-transparency
Do you agree with the
Hi Oleg,
the ptrace-testsuite
http://sourceware.org/systemtap/wiki/utrace/tests
currently FAILs (also) on Fedora 12 kernel-2.6.31.1-48.fc12.x86_64 for:
FAIL: detach-stopped
FAIL: stopped-attach-transparency
Do you agree with the testcases and is it planned to fix them
Hi Jan,
On 10/01, Jan Kratochvil wrote:
the ptrace-testsuite
http://sourceware.org/systemtap/wiki/utrace/tests
currently FAILs (also) on Fedora 12 kernel-2.6.31.1-48.fc12.x86_64 for:
FAIL: detach-stopped
Please recall our previous discussion about