Messages in this thread | | | From | Naresh Kamboju <> | Date | Mon, 16 May 2022 19:28:28 +0530 | Subject | Re: Unexpected kernel BRK exception at EL1 - Internal error: BRK handler: f20003e8 - gic_dist_config |
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Hi Marc,
Thanks for looking into this report.
On Mon, 16 May 2022 at 12:38, Marc Zyngier <maz@kernel.org> wrote: > > On Mon, 16 May 2022 07:16:22 +0100, > Naresh Kamboju <naresh.kamboju@linaro.org> wrote: > > > > The kernel crash reported on arm64 juno-r2 device with kselftest-merge config > > while booting Linux next-20220513 kernel [1].
<trim>
> > Huh. Who inserts random BRKs like this? > > > [ 0.000000] Internal error: BRK handler: f20003e8 [#1] PREEMPT SMP > > [ 0.000000] Modules linked in: > > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted > > 5.18.0-rc6-next-20220513 #1 > > [ 0.000000] Hardware name: ARM Juno development board (r2) (DT) > > [ 0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) > > [ 0.000000] pc : gic_dist_config+0x4c/0x68 > > [ 0.000000] lr : gic_init_bases+0xd4/0x248 > > Please provide a disassembly of this function.
objdump snipper is here. http://ix.io/3XUW
The vmlinux file is located in this url Please make use of it. http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/juno/lkft/linux-next/1226/
- Naresh
> > Thanks, > > M. > > -- > Without deviation from the norm, progress is not possible.
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