On Fri, 29 May 2020 at 01:08, Sean Christopherson sean.j.christopherson@intel.com wrote:
On Fri, May 29, 2020 at 12:59:40AM +0530, Naresh Kamboju wrote:
While running selftest kvm set_memory_region_test on x86_64 linux-next kernel 5.7.0-rc6-next-20200518 the kernel BUG noticed.
steps to reproduce: (always reproducible )
cd /opt/kselftests/default-in-kernel/kvm ./set_memory_region_test
BAD: next-20200518 (still reproducible on next-20200526) GOOD: next-20200515 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git kernel config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-corei7-64/lkft...
kernel crash log,
[ 33.074161] ------------[ cut here ]------------ [ 33.079845] kernel BUG at /usr/src/kernel/arch/x86/kvm/mmu/mmu.c:3722!
I'm 99% certain this is already fixed[*], I'll double check to confirm.
Thanks for looking into this problem.
[*] https://lkml.kernel.org/r/20200527085400.23759-1-sean.j.christopherson@intel...
I see you made a recent fix (on Wed, 27 May 2020). Let this patch get into the linux-next tree master and our build system will pull it and test it. I will report back once it is fixed.
- Naresh