Re: rcutorture’s init segfaults in ppc64le VM

2022-03-10 Thread Zhouyi Zhou
Dear Paul On Thu, Mar 10, 2022 at 4:10 PM Paul Menzel wrote: > > Dear Zhouyi, > > > Thank you for still looking into this. You are very welcome ;-) > > > Am 10.03.22 um 03:37 schrieb Zhouyi Zhou: > > > I try to reproduce the bug in ppc64 VM in Oregon State University > > using the vmlinux extract

Re: rcutorture’s init segfaults in ppc64le VM

2022-03-10 Thread Paul Menzel
Dear Zhouyi, Thank you for still looking into this. Am 10.03.22 um 03:37 schrieb Zhouyi Zhou: I try to reproduce the bug in ppc64 VM in Oregon State University using the vmlinux extracted from https://owww.molgen.mpg.de/~pmenzel/rcutorture-2022.02.01-21.52.37-torture-locktorture-kasan-lock01

Re: rcutorture’s init segfaults in ppc64le VM

2022-03-09 Thread Paul E. McKenney
On Thu, Mar 10, 2022 at 10:37:12AM +0800, Zhouyi Zhou wrote: > Dear Paul > > I try to reproduce the bug in ppc64 VM in Oregon State University > using the vmlinux extracted from > https://owww.molgen.mpg.de/~pmenzel/rcutorture-2022.02.01-21.52.37-torture-locktorture-kasan-lock01.tar.xz > > the pp

Re: rcutorture’s init segfaults in ppc64le VM

2022-03-09 Thread Zhouyi Zhou
Dear Paul I try to reproduce the bug in ppc64 VM in Oregon State University using the vmlinux extracted from https://owww.molgen.mpg.de/~pmenzel/rcutorture-2022.02.01-21.52.37-torture-locktorture-kasan-lock01.tar.xz the ppc64 VM in which I run the qemu without hardware acceleration is: Linux vers

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-11 Thread Paul Menzel
Dear Michael, Am 11.02.22 um 15:19 schrieb Paul Menzel: Am 11.02.22 um 02:48 schrieb Michael Ellerman: Paul Menzel writes: Am 08.02.22 um 11:09 schrieb Michael Ellerman: Paul Menzel writes: […] On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux 5.17-rc2+ with rcutortur

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-11 Thread Paul Menzel
Dear Michael, Am 11.02.22 um 02:48 schrieb Michael Ellerman: Paul Menzel writes: Am 08.02.22 um 11:09 schrieb Michael Ellerman: Paul Menzel writes: […] On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux 5.17-rc2+ with rcutorture tests I'm not sure if that's the host ke

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-10 Thread Michael Ellerman
Paul Menzel writes: > Am 08.02.22 um 11:09 schrieb Michael Ellerman: >> Paul Menzel writes: > > […] > >>> On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux >>> 5.17-rc2+ with rcutorture tests >> >> I'm not sure if that's the host kernel version or the version you're >> using of

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-08 Thread Paul Menzel
[Correct sha1 for test for 2022.02.01-21.52.37] Am 08.02.22 um 13:12 schrieb Paul Menzel: Dear Michael, Thank you for looking into this. Am 08.02.22 um 11:09 schrieb Michael Ellerman: Paul Menzel writes: […] On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux 5.17-rc2+

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-08 Thread Paul Menzel
Dear Michael, Thank you for looking into this. Am 08.02.22 um 11:09 schrieb Michael Ellerman: Paul Menzel writes: […] On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux 5.17-rc2+ with rcutorture tests I'm not sure if that's the host kernel version or the version you're

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-08 Thread Michael Ellerman
Paul Menzel writes: > Dear Linux folks, Hi Paul, > On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux > 5.17-rc2+ with rcutorture tests I'm not sure if that's the host kernel version or the version you're using of rcutorture? Can you tell us the sha1 of your host kernel and o

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-07 Thread Zhouyi Zhou
Hi, The mailing list forward the emails to me in periodic style, very sorry not seeing Willy's email until I visited https://lore.kernel.org/rcu/20220207180901.gb14...@1wt.eu/T/#u, I am also very interested in testing Willy's proposal. Thanks a lot Zhouyi On Tue, Feb 8, 2022 at 1:46 PM Zhouyi Z

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-07 Thread Zhouyi Zhou
Dear Paul I am also very interested in the topic. The Open source lab of Oregon State University has lent me a 8 core power ppc64el VM for 3 months, I guess I can try reproducing this bug in the Virtual Machine by executing qemu in non hardware accelerated mode (using -no-kvm argument). I am curre

Re: rcutorture’s init segfaults in ppc64le VM

2022-02-07 Thread Paul E. McKenney
On Mon, Feb 07, 2022 at 05:44:47PM +0100, Paul Menzel wrote: > Dear Linux folks, > > > On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux > 5.17-rc2+ with rcutorture tests > > $ tools/testing/selftests/rcutorture/bin/torture.sh --duration 10 > > the built init > > $ f

rcutorture’s init segfaults in ppc64le VM

2022-02-07 Thread Paul Menzel
Dear Linux folks, On the POWER8 server IBM S822LC running Ubuntu 21.10, building Linux 5.17-rc2+ with rcutorture tests $ tools/testing/selftests/rcutorture/bin/torture.sh --duration 10 the built init $ file tools/testing/selftests/rcutorture/initrd/init tools/testing/selftests/r