From: Andreas Schwab <schwab@linux-m68k.org>
To: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Mukesh Kumar Chaurasiya (IBM)" <mkchauras@gmail.com>,
maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,
ryabinin.a.a@gmail.com, glider@google.com,
andreyknvl@gmail.com, dvyukov@google.com,
vincenzo.frascino@arm.com, oleg@redhat.com, kees@kernel.org,
luto@amacapital.net, wad@chromium.org, mchauras@linux.ibm.com,
thuth@redhat.com, ruanjinjie@huawei.com,
akpm@linux-foundation.org, macro@orcam.me.uk, ldv@strace.io,
charlie@rivosinc.com, deller@gmx.de, kevin.brodsky@arm.com,
ritesh.list@gmail.com, yeoreum.yun@arm.com,
agordeev@linux.ibm.com, segher@kernel.crashing.org,
mark.rutland@arm.com, ryan.roberts@arm.com, pmladek@suse.com,
feng.tang@linux.alibaba.com, peterz@infradead.org,
kan.liang@linux.intel.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com
Subject: Re: [PATCH v5 0/8] Generic IRQ entry/exit support for powerpc
Date: Mon, 06 Jul 2026 17:26:54 +0200 [thread overview]
Message-ID: <87y0fo9m0x.fsf@igel.home> (raw)
In-Reply-To: <7f013fb9-c3fb-4c03-8a2b-cd395cc1e113@linux.ibm.com>
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@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
next prev parent reply other threads:[~2026-07-06 15:27 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 12:27 [PATCH v5 0/8] Generic IRQ entry/exit support for powerpc Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 1/8] powerpc: rename arch_irq_disabled_regs Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 2/8] powerpc: Prepare to build with generic entry/exit framework Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 3/8] powerpc: introduce arch_enter_from_user_mode Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 4/8] powerpc: Introduce syscall exit arch functions Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 5/8] powerpc: add exit_flags field in pt_regs Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 6/8] powerpc: Prepare for IRQ entry exit Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 7/8] powerpc: Enable GENERIC_ENTRY feature Mukesh Kumar Chaurasiya (IBM)
2026-04-27 12:27 ` [PATCH v5 8/8] powerpc: Remove unused functions Mukesh Kumar Chaurasiya (IBM)
2026-06-19 21:59 ` [PATCH v5 0/8] Generic IRQ entry/exit support for powerpc Madhavan Srinivasan
2026-06-23 11:11 ` Michal Suchánek
2026-06-24 7:38 ` Mukesh Kumar Chaurasiya
2026-07-04 15:49 ` Andreas Schwab
2026-07-05 6:49 ` Christophe Leroy (CS GROUP)
2026-07-05 11:35 ` Andreas Schwab
2026-07-07 4:29 ` Shrikanth Hegde
2026-07-05 12:02 ` Andreas Schwab
2026-07-06 6:02 ` Shrikanth Hegde
2026-07-06 15:26 ` Andreas Schwab [this message]
2026-07-06 19:21 ` Andreas Schwab
2026-07-05 18:00 ` Andreas Schwab
2026-07-07 6:05 ` Mukesh Kumar Chaurasiya
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