From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from omta040.useast.a.cloudfilter.net (omta040.useast.a.cloudfilter.net [44.202.169.39]) (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 C118A331215 for ; Fri, 13 Mar 2026 06:10:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=44.202.169.39 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773382236; cv=none; b=MMbxWAZ01mDZp51el3xxlNAp5mzrCmrCQ740M2DN3+vW5uKK/qP47yo1ZUdjU78RoIRpTHLrWxBEzPWnwjRvjGxu/6aZZzxmTnYZXm4wfibrw65TRej4F7WZ/LXxe6MF7VQVRbsuequ/0AOhSCYLpB+q9kNXtBiPzpRjvoXb63o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773382236; c=relaxed/simple; bh=1lEFnpBPqKWQR4LHsFSByF8b7prrQ8U8VsDt9Y8jk+w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=bkfqPnwhdovP0ObekgnQPe8XB2n1DI4l5iVjx6/6UNC5lIDEaD1QtgLFk5qveWHxIvZfzhbB6KJlvUgIULUWjrubZrKfeqwmMB/lPC6cwLDNqSjHF7nDwyXlDcZ35TcOIMx+NDQ+aPQ+IdOD3xLYq10tyXTerq74APcrQ4neeg4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=w6rz.net; spf=pass smtp.mailfrom=w6rz.net; dkim=pass (2048-bit key) header.d=w6rz.net header.i=@w6rz.net header.b=Rq7SYnhd; arc=none smtp.client-ip=44.202.169.39 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=w6rz.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=w6rz.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=w6rz.net header.i=@w6rz.net header.b="Rq7SYnhd" Received: from eig-obgw-6006b.ext.cloudfilter.net ([10.0.30.211]) by cmsmtp with ESMTPS id 0hW8wVg66CxrG0vjAwu4LF; Fri, 13 Mar 2026 06:10:28 +0000 Received: from box5620.bluehost.com ([162.241.219.59]) by cmsmtp with ESMTPS id 0vj8wXvZCvXvH0vj9wn1aZ; Fri, 13 Mar 2026 06:10:27 +0000 X-Authority-Analysis: v=2.4 cv=e4IGSbp/ c=1 sm=1 tr=0 ts=69b3aa54 a=30941lsx5skRcbJ0JMGu9A==:117 a=30941lsx5skRcbJ0JMGu9A==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=7vwVE5O1G3EA:10 a=VwQbUJbxAAAA:8 a=VC-DKBg3BtZOrUgv6XgA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=L5EjiQpGQaFGZdqT14z7:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=w6rz.net; s=default; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:From: References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=CFP+oW1QZ0kQj3EY3lD+xL9YveNcxrLFvY4y35nvTNs=; b=Rq7SYnhdiqj/YRaF6S979Iyiqy vLCW2moSubB51CZGxcYmXQ4orWXAUM/AzbQJc6VfRD3/H5svbXVXITeotivRjaCPgrMD+cW/To1YU Dy0ON9p+lke+TIrXkazvfOhjWMNXZ96DpnYOtUO3OKNMCuHOtgAQ9OWc1dUDRi3mlcpHBZnS/OITs wd49nGOVVY3nEnFldkD5E9HvOwiRWX2+cDxtBncpolm5A1/6BXqVOq6VGMih4+WPFdlMWnpXBkzyV S8i+T8tB8i8Cf4RCZyskLxyUNvQae9os6FfpgsGK7IixKiOvNJ7Bq3xbdu5lkoOIbKvUjEsv9J8rK 7PCcMekw==; Received: from c-73-162-206-103.hsd1.ca.comcast.net ([73.162.206.103]:55360 helo=[10.0.1.180]) by box5620.bluehost.com with esmtpsa (TLS1.3) tls TLS_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1w0vj8-00000003X7o-2PGZ; Fri, 13 Mar 2026 00:10:26 -0600 Message-ID: <2a313336-ccfc-42b7-a14d-c116733ef64a@w6rz.net> Date: Thu, 12 Mar 2026 23:10:24 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: freeze during boot regression Re: [PATCH 6.12 000/265] 6.12.77-rc1 review To: "Barry K. Nathan" , Greg Kroah-Hartman , stable@vger.kernel.org Cc: patches@lists.linux.dev, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@nabladev.com, jonathanh@nvidia.com, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, rwarsow@gmx.de, conor@kernel.org, hargar@microsoft.com, broonie@kernel.org, achill@achill.org, sr@sladewatkins.com References: <20260312201018.128816016@linuxfoundation.org> Content-Language: en-US From: Ron Economos In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5620.bluehost.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - w6rz.net X-BWhitelist: no X-Source-IP: 73.162.206.103 X-Source-L: No X-Exim-ID: 1w0vj8-00000003X7o-2PGZ X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: c-73-162-206-103.hsd1.ca.comcast.net ([10.0.1.180]) [73.162.206.103]:55360 X-Source-Auth: re@w6rz.net X-Email-Count: 17 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: d3NpeHJ6bmU7d3NpeHJ6bmU7Ym94NTYyMC5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfHT7pcBidngapiUtEutfhY+khpdFY74Gvp28m4kdkpDBnbVM2nbokwdHWuHlfsmUWoPXh3bRNOlHkt07eaV+rJDcr8hG8q0ul7YGmM9o+GLCyNB9b1Ky Q7wqyIK99VwCGkr74JXfhdpSD3B8DyVmFuO2t2kDZCud2FKFnvGHbFvKH0pAKsPGYsL0s4fOJ5SaJzdSHTCeBuO9Uht9onB/QYo= On 3/12/26 22:55, Barry K. Nathan wrote: > On 3/12/26 22:32, Barry K. Nathan wrote: >> On 3/12/26 13:06, Greg Kroah-Hartman wrote: >>> This is the start of the stable review cycle for the 6.12.77 release. >>> There are 265 patches in this series, all will be posted as a response >>> to this one.  If anyone has any issues with these being applied, please >>> let me know. >>> >>> Responses should be made by Fri, 13 Mar 2026 20:09:29 +0000. >>> Anything received after that time might be too late. >>> >>> The whole patch series can be found in one patch at: >>>     https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.12.77-rc1.gz >>> or in the git tree and branch at: >>>     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y >>> and the diffstat can be found below. >>> >>> thanks, >>> >>> greg k-h >> >> Intermittently, but significantly greater than 50% of the time, >> 6.12.77-rc1 fails to boot on my Lenovo ThinkPad T14 Gen 1 running Debian >> 12 bookworm. When boot fails, the last couple lines of console output >> (retyped from a photo) are: >> >> Loading, please wait... >> Starting systemd-udevd version 252.39-1~deb12u1 >> >> I will begin bisection shortly. I happen to have also previously >> compiled 6.12.76 + stable-queue as of >> commit 4b2b2b5cf3cd78f4de4646687a4efecbd21643af, and that shows the same >> boot failures. That means the following patches are *not* to blame for >> the problem: > [snip] > > I also happen to have previously compiled 6.12.76 + stable-queue as of > commit 8d45879cc803965facf8d8257f13d130508b5986, and that also shows > the same boot failures, so that narrows the cause down to the > following 40 patches: > > drm-vmwgfx-fix-invalid-kref_put-callback-in-vmw_bo_d.patch > drm-vmwgfx-return-the-correct-value-in-vmw_translate.patch > drm-logicvc-fix-device-node-reference-leak-in-logicv.patch > kvm-arm64-advertise-support-for-feat_sctlr2.patch > kvm-arm64-hide-s1poe-from-guests-when-not-supported-.patch > irqchip-sifive-plic-fix-frozen-interrupt-due-to-affi.patch > scsi-lpfc-properly-set-wc-for-dpp-mapping.patch > scsi-pm8001-fix-use-after-free-in-pm8001_queue_comma.patch > alsa-scarlett2-fix-redeclaration-of-loop-variable.patch > alsa-scarlett2-fix-dsp-filter-control-array-handling.patch > alsa-usb-audio-remove-validate_rates-quirk-for-focus.patch > x86-fred-correct-speculative-safety-in-fred_extint.patch > sched-fair-fix-eevdf-entity-placement-bug-causing-sc.patch > sched-fair-fix-lag-clamp.patch > rseq-clarify-rseq-registration-rseq_size-bound-check.patch > cgroup-cpuset-fix-incorrect-use-of-cpuset_update_tas.patch > scsi-ufs-core-move-link-recovery-for-hibern8-exit-fa.patch > alsa-usb-audio-cap-the-packet-size-pre-calculations.patch > alsa-usb-audio-use-inclusive-terms.patch > perf-fix-__perf_event_overflow-vs-perf_remove_from_c.patch > s390-idle-fix-cpu-idle-exit-cpu-time-accounting.patch > s390-vtime-fix-virtual-timer-forwarding.patch > pci-endpoint-introduce-pci_epc_function_is_valid.patch > pci-endpoint-introduce-pci_epc_mem_map-unmap.patch > pci-dwc-endpoint-implement-the-pci_epc_ops-align_add.patch > pci-dwc-ep-use-align-addr-function-for-dw_pcie_ep_ra.patch > pci-dwc-ep-flush-msi-x-write-before-unmapping-its-at.patch > drm-amdgpu-unlock-a-mutex-before-destroying-it.patch > drm-amdgpu-replace-kzalloc-copy_from_user-with-memdu.patch > drm-amdgpu-fix-locking-bugs-in-error-paths.patch > alsa-pci-hda-use-snd_kcontrol_chip.patch > alsa-hda-cs35l56-fix-signedness-error-in-cs35l56_hda.patch > btrfs-fix-incorrect-key-offset-in-error-message-in-c.patch > btrfs-fix-objectid-value-in-error-message-in-check_e.patch > btrfs-fix-warning-in-scrub_verify_one_metadata.patch > btrfs-print-correct-subvol-num-if-active-swapfile-pr.patch > btrfs-fix-compat-mask-in-error-messages-in-btrfs_che.patch > bpf-arm64-force-8-byte-alignment-for-jit-buffer-to-p.patch > bpf-fix-stack-out-of-bounds-write-in-devmap.patch > pci-correct-pci_cap_exp_endpoint_sizeof_v2-value.patch > > I expect my next followup to be once I finish bisection. I'm seeing this WARN on RISC-V in the same place. Starting systemd-udevd version 255.4-1ubuntu8.12 [    5.417957] usb 1-2: new high-speed USB device number 2 using xhci_hcd [    5.765956] ------------[ cut here ]------------ [    5.765976] WARNING: CPU: 0 PID: 17 at kernel/sched/fair.c:5266 place_entity+0x130/0x138 [    5.766013] Modules linked in: [    5.766028] CPU: 0 UID: 0 PID: 17 Comm: rcu_preempt Not tainted 6.12.77-rc1 #2 [    5.766038] Hardware name: SiFive HiFive Unmatched A00 (DT) [    5.766043] epc : place_entity+0x130/0x138 [    5.766052]  ra : place_entity+0x9c/0x138 [    5.766061] epc : ffffffff800721c8 ra : ffffffff80072134 sp : ffffffc6000a3af0 [    5.766067]  gp : ffffffff823a8a70 tp : ffffffd6808c1d80 t0 : 0000000000000000 [    5.766072]  t1 : 0000000000000000 t2 : 0000000000000000 s0 : ffffffc6000a3b30 [    5.766078]  s1 : ffffffd9fed138c0 a0 : 0000000000577fff a1 : ffffffd681175400 [    5.766084]  a2 : 0000000000000000 a3 : 0000000000000177 a4 : 0000000000000000 [    5.766089]  a5 : 0000000026fdb4a5 a6 : 0000000000000000 a7 : 0000000000000002 [    5.766095]  s2 : 0000000000000000 s3 : ffffffd9fed137c0 s4 : ffffffd682b1d880 [    5.766100]  s5 : 0000000000000200 s6 : 0000000000000003 s7 : 0000000000000001 [    5.766106]  s8 : ffffffd9fed138c0 s9 : 0000000000200b20 s10: ffffffd681175400 [    5.766112]  s11: 0000000000000000 t3 : 0000000000000000 t4 : 0000000000000000 [    5.766117]  t5 : 0000000000000000 t6 : 0000000000000000 [    5.766121] status: 0000000200000100 badaddr: 0000000000000177 cause: 0000000000000003 [    5.766130] [] place_entity+0x130/0x138 [    5.766141] [] reweight_entity+0x178/0x1a0 [    5.766151] [] update_cfs_group+0x76/0xa8 [    5.766161] [] dequeue_entities+0x120/0x550 [    5.766171] [] pick_task_fair+0x84/0x108 [    5.766179] [] pick_next_task_fair+0x1c/0x1b0 [    5.766192] [] __schedule+0x172/0xc10 [    5.766204] [] schedule+0x22/0x140 [    5.766212] [] schedule_timeout+0x80/0x180 [    5.766226] [] rcu_gp_fqs_loop+0xfe/0x4d0 [    5.766243] [] rcu_gp_kthread+0x122/0x158 [    5.766255] [] kthread+0xc8/0xe8 [    5.766268] [] ret_from_fork+0xe/0x18 [    5.766282] ---[ end trace 0000000000000000 ]--- [    5.992429] usb 1-2: New USB device found, idVendor=174c, idProduct=2074, bcdDevice= 0.01 [    5.999916] usb 1-2: New USB device strings: Mfr=2, Product=3, SerialNumber=1 [    6.007028] usb 1-2: Product: AS2107 Probably those sched/fair patches.