From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 ADA301F239B; Thu, 7 Aug 2025 04:44:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754541884; cv=none; b=kcn36zqK2P57CBclbNkfjEd4Jr9qcJuNYCK86BP3EHX39w/LPFFXN3Nc34lUZDKw6blFSYBI0aYg2K9nQqeHHteROOWwUncS87zthrfPefOC/6d+ztpowpTYhKJnCtDievznV/ywUYhkDMKbh4K4PytpPNsxR+tolOwiaCnR3yg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754541884; c=relaxed/simple; bh=cFxSt5XGCz9igYehnP6ZlKa3IQLd9KL5n7sdoqkopCA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=IE5ibn8ked8GuR147LmV+egT1zclp7JPH0fNZb42glRR2T8r8UVkToel1J2ayrpSkb2VWp/BkVGFuzS6CAhY3LkuEkyhsROziKGP7srjNxCvH9PeCCnlcq9leb7rlfd7zW6Zit4Nodqd46+uW+copWjAk20+W7q+0USX/jtT02Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=I/asic9y; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=/UOISatG; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="I/asic9y"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="/UOISatG" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1754541879; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5k0aIP6ypWzHT44UgOkBVcPGZN3HFudjWTg/qcOTfKY=; b=I/asic9yMpQUvuowiDDokB36lGvVIOyqKgxFeYqNfXwKjVyDxooBj8k3pctGcTaXIAl+x1 b1H5dcR49Xq3/e54XPivZP6dKr/pX8i9e96j4RsrFURJhIpGoe24ovFZZTqUm3JjpFvkrw dfpWzD9Ph9X4rOmwd+CKm/z9b91xn3RZFcnQ1hZTv05XGDVqHBbaHw4WwuaoReAY4lhlYY zwMiSvPVQbpTw4BzxV3ETNAbuGGWcMQFzuIio/bGwA7zV/8RB/RrHPqeg/GCbpH1PCwKoW wxl58kG9PxeNXapnyadFx6Y/VZN/jCfUXFFcYvHjUdf5kYATcunl2wnEZSb65Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1754541879; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=5k0aIP6ypWzHT44UgOkBVcPGZN3HFudjWTg/qcOTfKY=; b=/UOISatGlrMVsEsTLbm3XYwyu8t5IcwBT50pdtVufLyqynw/vZVizgMs5gisd7f7PPnBH3 90keY1phI5zTBwAw== To: Lukas Wunner , Ammar Faizi Cc: Bjorn Helgaas , Linus Torvalds , Linux PCI Mailing List , Linux Kernel Mailing List , Rob Herring , Lorenzo Pieralisi , Manivannan Sadhasivam , Krzysztof Wilczynski , Armando Budianto , Alviro Iskandar Setiawan , gwml@vger.gnuweeb.org Subject: Re: [GIT PULL v2] PCI changes for v6.17 In-Reply-To: References: <20250801142254.GA3496192@bhelgaas> <175408424863.4088284.13236765550439476565.pr-tracker-bot@kernel.org> Date: Thu, 07 Aug 2025 06:44:38 +0200 Message-ID: <87sei3n3k9.fsf@yellow.woof> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Lukas Wunner writes: > On Thu, Aug 07, 2025 at 10:34:08AM +0700, Ammar Faizi wrote: >> On Fri, 01 Aug 2025 21:37:28 +0000, pr-tracker-bot@kernel.org, wrote: >> > >> > The pull request you sent on Fri, 1 Aug 2025 09:22:54 -0500: >> > >> > > git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git tags/pci-v6.17-changes >> > >> > has been merged into torvalds/linux.git: >> > https://git.kernel.org/torvalds/c/0bd0a41a5120f78685a132834865b0a631b9026a >> >> Yesterday, I synced with Linus' tree, but couldn't boot. Crashed with >> this call trace: >> >> https://gist.githubusercontent.com/ammarfaizi2/3ba41f13517be4bae70cde869347d259/raw/0ac09b3e1d90d51c3fed14ca9f837f45d7730f0a/crash.jpg >> >> This morning, I synced with Linus' tree again, still the same result. >> >> I suspect it's related to pci. I'm still bisecting. I've successfully >> narrowed it down to this pci pull. >> >> 0bd0a41a5120 (refs/bisect/bad) Merge tag 'pci-v6.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci >> db5f0c3e3e60 ring-buffer: Convert ring_buffer_write() to use guard(preempt_notrace) >> 12d518961586 tracing: Use __free(kfree) in trace.c to remove gotos >> debe57fbe12c tracing: Add guard() around locks and mutexes in trace.c >> 788fa4b47cdc tracing: Add guard(ring_buffer_nest) >> c89504a703fb tracing: Remove unneeded goto out logic >> 877d94c74e4c (refs/bisect/good-877d94c74e4c6665d2af55c0154363b43b947e60) Merge tag 'linux-watchdog-6.17-rc1' of git://www.linux-watchdog.org/linux-watchd >> >> Now, I am testing: >> >> 769ce531faa6 (HEAD) Merge branch 'pci/controller/msi-parent' >> >> I'll be back to it later. git bisect says: >> >> Bisecting: 65 revisions left to test after this (roughly 6 steps) > > Kenneth reports early-stage reboots caused by d7d8ab87e3e > ("PCI: vmd: Switch to msi_create_parent_irq_domain()"): > > https://lore.kernel.org/all/dfa40e48-8840-4e61-9fda-25cdb3ad81c1@panix.com/ > > Perhaps you're witnessing the same issue? Thanks for the Cc. The backtrace does look like something that the commit would cause. Let me stare at it. Nam