Re: [PATCH v5 0/8] Generic IRQ entry/exit support for powerpc

[Andreas Schwab]

On Jul 06 2026, Shrikanth Hegde wrote:

> Hi Andreas.
>
> On 7/5/26 5:32 PM, Andreas Schwab wrote:
>> BUG: Unable to handle kernel data access at 0x30af548c0000028
>> Faulting instruction address: 0xc0000000000af47c
>> c0000000000aee6c <.sched_balance_find_src_group>:
>> c0000000000af474:       e9 3f 00 18     ld      r9,24(r31)
>> c0000000000af478:       e9 29 0d 48     ld      r9,3400(r9)
>> c0000000000af47c:       89 49 00 28     lbz     r10,40(r9)
>> c0000000000af480:       7c 0a e0 40     cmplw   r10,r28
>> 
>
> Does the stack-trace change every time?

Most of the time I get nothing, and when I get something it is mostly
scrolled out already (there is only so much you can put in 80x25).  I
had to hack the kernel to reduce the output to the bare minimum.

> There were couple more fixes on top of it. Is it included in your kernel already?
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=334f3f6d7a1660fd65597bad9960bfa33a716d35
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=4e1187e12de40b5301977b2476d21b569358dafb

They are all in 7.2-rc1 already.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."