Messages in this thread | | | From | Florian Weimer <> | Subject | Re: [patch 00/12] futex: Cure robust/PI futex exit races | Date | Thu, 07 Nov 2019 23:40:43 +0100 |
| |
* Florian Weimer:
> * Thomas Gleixner: > >> The series is also available from git: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.locking/futex > > I ran the glibc upstream test suite (which has some robust futex tests) > against b21be7e942b49168ee15a75cbc49fbfdeb1e6a97 on x86-64, both native > and 32-bit/i386 compat mode. > > compat mode seems broken, nptl/tst-thread-affinity-pthread fails. This > is probably *not* due to > <https://bugzilla.kernel.org/show_bug.cgi?id=154011> because the failure > is non-sporadic, but reliable fails for thread 253: > > info: Detected CPU set size (in bits): 225 > info: Maximum test CPU: 255 > error: pthread_create for thread 253 failed: Resource temporarily unavailable > > I'm running this on a large box as root, so ulimits etc. do not apply. > > I did not see this failure with the x86-64 test. > > You should be able to reproduce with (assuming you've got a multilib gcc): > > git clone git://sourceware.org/git/glibc.git git > mkdir build > cd build > ../git/configure --prefix=/usr CC="gcc -m32" CXX="g++ -m32" --build=i686-linux > make -j`nproc` > make test t=nptl/tst-thread-affinity-pthread
Sorry, I realized that I didn't actually verify that this is a regression caused by your patches. Maybe I can do that tomorrow.
Florian
| |