Hi, On Wed, Jun 21, 2023 at 4:41 PM Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote: > > On Wed, 21 Jun 2023 at 19:46, Puranjay Mohan <puranjay12@xxxxxxxxx> wrote: > > > > 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? > > Not reproducible on Qemu-arm64. > I see only on arm64 devices Juno-r2 and Rpi4. > > > > > 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? > > Here is the link for rootfs - OE one. > https://storage.tuxsuite.com/public/linaro/lkft/oebuilds/2RVA7dHPf73agY0gDJD6XEdBQBI/images/juno/ I tested this rootfs and couldn't reproduce on Qemu. Now, I will try to use my raspberry pi and try to reproduce this. Thanks. > > > > > 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 > > - Naresh -- Thanks and Regards Yours Truly, Puranjay Mohan
