From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 76466357CEB for ; Mon, 6 Jul 2026 15:27:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.18.0.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783351634; cv=none; b=Idthlt2/fNE5v7bicD6BLvSDPj2Y1fCfVHGjHjWUMqgfqEjaDH2Jk+ie6OhX1sVT4rPvIXiUXaaJA72DluaYM/Wi4xkBZ7GNRAL2CTds+00QHKvXPpj1LQS02pNIZNAPB/+B2m6jJ4iuvlxdfi8LJ4saFILXrnBMZsSeimrPDgU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783351634; c=relaxed/simple; bh=RnllBuqbRxJvroqN32biQJ0PrUVCVE4eDXwW2wBICqs=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=iPuxQ5zOkgqpljPW8OFse4aks/gHmWNZkS7Y8o9tSuagGLbOVjaZTgQiQ7mgZKaKdWx2FQGoo8QGa7k8Bd1btIyIc4w+YQQo85x8xvJA1aaFQlLLEMcWCOI6K/iKfQbap2VsfdanBREpEhU7HnXPZjmA0nlB2QS/9yzPK7xVEAk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=pass smtp.mailfrom=nefkom.net; arc=none smtp.client-ip=212.18.0.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nefkom.net Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by mail-out.m-online.net (Postfix) with ESMTP id 4gv7Wc2XRFz1sHQ1; Mon, 6 Jul 2026 17:27:08 +0200 (CEST) Received: from frontend04.mail.m-online.net (unknown [192.168.6.183]) by mail-out.m-online.net (Postfix) with ESMTP id 4gv7WR53g2z1sHPP; Mon, 6 Jul 2026 17:26:59 +0200 (CEST) Received: from localhost (dynscan4.mnet-online.de [192.168.6.88]) by mail.m-online.net (Postfix) with ESMTP id 4gv7WR19jFz1qqlR; Mon, 6 Jul 2026 17:26:59 +0200 (CEST) X-Virus-Scanned: amavis at mnet-online.de Received: from mail.mnet-online.de ([192.168.6.182]) by localhost (dynscan4.mail.m-online.net [192.168.6.88]) (amavis, port 10024) with ESMTP id MJWgF5bi-jD9; Mon, 6 Jul 2026 17:26:54 +0200 (CEST) X-Auth-Info: TNc3sp1ivTnsjHBGV3mZNpzmLz97A1EGuaNuvlZwLZpSdf55Cp25/eG5esZlAOVm Received: from igel.home (aftr-62-216-202-81.dynamic.mnet-online.de [62.216.202.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Mon, 6 Jul 2026 17:26:54 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 1FA5F2C0AF6; Mon, 06 Jul 2026 17:26:54 +0200 (CEST) From: Andreas Schwab To: Shrikanth Hegde Cc: "Christophe Leroy (CS GROUP)" , "Mukesh Kumar Chaurasiya (IBM)" , 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 In-Reply-To: <7f013fb9-c3fb-4c03-8a2b-cd395cc1e113@linux.ibm.com> References: <20260427122742.210074-1-mkchauras@gmail.com> <87wlvazrdy.fsf@igel.home> <1693b268-ee26-4764-871a-5a067ae96080@kernel.org> <8733xxve3h.fsf@igel.home> <7f013fb9-c3fb-4c03-8a2b-cd395cc1e113@linux.ibm.com> Date: Mon, 06 Jul 2026 17:26:54 +0200 Message-ID: <87y0fo9m0x.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain 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."