Messages in this thread | | | From | Naresh Kamboju <> | Date | Tue, 23 Aug 2022 13:42:47 +0530 | Subject | Re: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 |
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Hi Saravana,
On Tue, 23 Aug 2022 at 02:09, Saravana Kannan <saravanak@google.com> wrote: > > On Mon, Aug 22, 2022 at 7:00 AM Naresh Kamboju > <naresh.kamboju@linaro.org> wrote: > > > > The arm64 Qualcomm db410c device boot failed intermittently on > > Linux next-20220822 and Linux mainline 6.0.0-rc1. > > > > Reported-by: Linux Kernel Functional Testing <lkft@linaro.org> > > > > [ 0.000000] Linux version 6.0.0-rc1 (tuxmake@tuxmake) > > (aarch64-linux-gnu-gcc (Debian 11.3.0-3) 11.3.0, GNU ld (GNU Binutils > > for Debian) 2.38.90.20220713) #1 SMP PREEMPT @1661110347 > > [ 0.000000] Machine model: Qualcomm Technologies, Inc. APQ 8016 SBC > > <trim> > > [ 3.609382] Loading compiled-in X.509 certificates > > [ 3.702306] Unable to handle kernel NULL pointer dereference at > > virtual address 0000000000000008 > > [ 3.702380] Mem abort info:
<trim>
> > [ 3.771199] pc : pl011_probe+0x30/0x154 > > [ 3.778480] l8: Bringing 0uV into 1750000-1750000uV > > [ 3.783073] lr : amba_probe+0x11c/0x1b0
<trim>
> > Hi Naresh, > > Thanks for the report! > > These two patches together should fix the issue: > https://lore.kernel.org/lkml/20220818172852.3548-1-isaacmanjarres@google.com/ > https://lore.kernel.org/lkml/20220817184026.3468620-1-isaacmanjarres@google.com/
Reported-by and Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reported-by and Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
> Can you give them a shot please?
I have applied the above two patches on Linus master branch and built and boot tested on db410c the boot is successful now [1].
> Also, in general, it'd be nice if you could report issues in the > original thread of the patch causing issues. It would make it easier > to keep track of all the issues.
When I bisect and confirm bad commits then I will reply to that thread.
[1] https://lkft.validation.linaro.org/scheduler/job/5423144#L2005
- Naresh
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