Hi, On Wed, Jun 21, 2023 at 3:39 PM Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > On Wed, 21 Jun 2023 at 18:27, Mark Rutland <mark.rutland@xxxxxxx> wrote: > > > > On Wed, Jun 21, 2023 at 06:06:51PM +0530, Naresh Kamboju wrote: > > > Following boot warnings and crashes noticed on arm64 Rpi4 device running > > > Linux next-20230621 kernel. > > > > > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > > > > > boot log: > > > > > > [ 22.331748] Kernel text patching generated an invalid instruction > > > at 0xffff8000835d6580! > > > [ 22.340579] Unexpected kernel BRK exception at EL1 > > > [ 22.346141] Internal error: BRK handler: 00000000f2000100 [#1] PREEMPT SMP > > > > This indicates execution of AARCH64_BREAK_FAULT. > > I see kernel panic with kselftest merge configs on Juno-r2 and Rpi4. Is there a way to reproduce this setup on Qemu? I am able to build the linux-next kernel with the config given below. But the bug doesn't reproduce in Qemu with debian rootfs. I guess I would need the Rootfs that is being used here to reproduce it. Can you point me to the rootfs for this? Thanks, Puranjay > metadata: > git_ref: master > git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next > git_sha: 15e71592dbae49a674429c618a10401d7f992ac3 > git_describe: next-20230621 > kernel_version: 6.4.0-rc7 > kernel-config: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2RVAA4lj35ia3YDkqaoV6ztyqdW/config > artifact-location: > https://storage.tuxsuite.com/public/linaro/lkft/builds/2RVAA4lj35ia3YDkqaoV6ztyqdW/ > toolchain: gcc-11 > build_name: gcc-11-lkftconfig-kselftest > > > -- > Linaro LKFT > https://lkft.linaro.org