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<55d3cdaf-539f-4d5b-8bf1-a2c5f917e81d@nvidia.com> Date: Thu, 8 May 2025 10:52:59 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6.1 00/97] 6.1.138-rc1 review From: Jon Hunter To: Greg Kroah-Hartman 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@denx.de, f.fainelli@gmail.com, sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de, conor@kernel.org, hargar@microsoft.com, broonie@kernel.org, linux-tegra@vger.kernel.org, stable@vger.kernel.org References: <20250507183806.987408728@linuxfoundation.org> <864a7a10-ed68-4507-a67c-60344c57753a@rnnvmail203.nvidia.com> <2a83d6a6-9e80-4c78-94a6-5dedd3326367@nvidia.com> Content-Language: en-US In-Reply-To: <2a83d6a6-9e80-4c78-94a6-5dedd3326367@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: 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=?utf-8?B?WXkwSnNjQ2ZQKzk2SmhsdnVDKzROdENVZGVKNEZINUs2T01GcmRqczMzWUdz?= =?utf-8?B?L3c2bVBxWXhRUXRxYjB4em5jdEdlOFJpZ2lFQytUOG5HZU1QV2k4bXBZRE44?= =?utf-8?B?TGc9PQ==?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9ad17771-5370-4a87-df0f-08dd8e1620e4 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR12MB8784.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 May 2025 09:53:05.1382 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: LliEz33z5NqHFYI/fhODgnfcxWB+iTF45NEwCgCQ8uL9kZvAHd/w0T+qA4zge/FhPxbEDmBTxNi8rguOlymqxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR12MB9626 On 08/05/2025 10:48, Jon Hunter wrote: > Hi Greg, > > On 08/05/2025 10:45, Jon Hunter wrote: >> On Wed, 07 May 2025 20:38:35 +0200, Greg Kroah-Hartman wrote: >>> This is the start of the stable review cycle for the 6.1.138 release. >>> There are 97 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, 09 May 2025 18:37:41 +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-6.1.138-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-6.1.y >>> and the diffstat can be found below. >>> >>> thanks, >>> >>> greg k-h >> >> Failures detected for Tegra ... >> >> Test results for stable-v6.1: >>      10 builds:    10 pass, 0 fail >>      28 boots:    28 pass, 0 fail >>      115 tests:    109 pass, 6 fail >> >> Linux version:    6.1.138-rc1-gca7b19b902b8 >> Boards tested:    tegra124-jetson-tk1, tegra186-p2771-0000, >>                  tegra186-p3509-0000+p3636-0001, tegra194-p2972-0000, >>                  tegra194-p3509-0000+p3668-0000, tegra20-ventana, >>                  tegra210-p2371-2180, tegra210-p3450-0000, >>                  tegra30-cardhu-a04 >> >> Test failures:    tegra186-p2771-0000: cpu-hotplug >>                  tegra194-p2972-0000: pm-system-suspend.sh >>                  tegra210-p2371-2180: cpu-hotplug >>                  tegra210-p3450-0000: cpu-hotplug > > > I am seeing some crashes like the following ... > > [  212.540298] Unable to handle kernel NULL pointer dereference at > virtual address 0000000000000000 > [  212.549130] Mem abort info: > [  212.552008]   ESR = 0x0000000096000004 > [  212.555822]   EC = 0x25: DABT (current EL), IL = 32 bits > [  212.561151]   SET = 0, FnV = 0 > [  212.564213]   EA = 0, S1PTW = 0 > [  212.567361]   FSC = 0x04: level 0 translation fault > [  212.572246] Data abort info: > [  212.575137]   ISV = 0, ISS = 0x00000004 > [  212.578980]   CM = 0, WnR = 0 > [  212.581945] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000103824000 > [  212.588394] [0000000000000000] pgd=0000000000000000, > p4d=0000000000000000 > [  212.595199] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP > [  212.601465] Modules linked in: snd_soc_tegra210_mixer > snd_soc_tegra210_ope snd_soc_tegra186_asrc snd_soc_tegra210_adx > snd_soc_tegra210_amx snd_soc_tegra210_mvc snd_soc_tegra210_sfc > snd_soc_tegra210_admaif snd_soc_tegra186_dspk snd_soc_tegra210_dmic > snd_soc_tegra_pcm snd_soc_tegra210_i2s tegra_drm drm_dp_aux_bus cec > drm_display_helper drm_kms_helper snd_soc_tegra210_ahub tegra210_adma > drm snd_soc_tegra_audio_graph_card snd_soc_audio_graph_card crct10dif_ce > snd_soc_simple_card_utils at24 tegra_bpmp_thermal tegra_aconnect > snd_hda_codec_hdmi snd_hda_tegra snd_hda_codec snd_hda_core tegra_xudc > host1x ina3221 ip_tables x_tables ipv6 > [  212.657003] CPU: 0 PID: 44 Comm: kworker/0:1 Tainted: G > S                 6.1.138-rc1-gca7b19b902b8 #1 > [  212.666306] Hardware name: NVIDIA Jetson TX2 Developer Kit (DT) > [  212.672221] Workqueue: events work_for_cpu_fn > [  212.676588] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS > BTYPE=--) > [  212.683546] pc : percpu_ref_put_many.constprop.0+0x18/0xe0 > [  212.689036] lr : percpu_ref_put_many.constprop.0+0x18/0xe0 > [  212.694520] sp : ffff80000a5fbc70 > [  212.697832] x29: ffff80000a5fbc70 x28: ffff800009ba3750 x27: > 0000000000000000 > [  212.704970] x26: 0000000000000001 x25: 0000000000000028 x24: > 0000000000000000 > [  212.712105] x23: ffff8001eb1a1000 x22: 0000000000000001 x21: > 0000000000000000 > [  212.719240] x20: 0000000000000000 x19: 0000000000000000 x18: > ffffffffffffffff > [  212.726376] x17: 00000000000000a1 x16: 0000000000000001 x15: > fffffc0002017800 > [  212.733510] x14: 00000000fffffffe x13: dead000000000100 x12: > dead000000000122 > [  212.740645] x11: 0000000000000001 x10: 00000000f0000080 x9 : > 0000000000000000 > [  212.747780] x8 : ffff80000a5fbc98 x7 : 00000000ffffffff x6 : > ffff80000a19c410 > [  212.754914] x5 : ffff0001f4d44750 x4 : 0000000000000000 x3 : > 0000000000000000 > [  212.762048] x2 : ffff8001eb1a1000 x1 : ffff000080a48ec0 x0 : > 0000000000000001 > [  212.769184] Call trace: > [  212.771628]  percpu_ref_put_many.constprop.0+0x18/0xe0 > [  212.776769]  memcg_hotplug_cpu_dead+0x60/0x90 > [  212.781127]  cpuhp_invoke_callback+0x118/0x230 > [  212.785574]  _cpu_down+0x180/0x3b0 > [  212.788981]  __cpu_down_maps_locked+0x18/0x30 > [  212.793339]  work_for_cpu_fn+0x1c/0x30 > [  212.797086]  process_one_work+0x1cc/0x320 > [  212.801097]  worker_thread+0x2c8/0x450 > [  212.804846]  kthread+0x10c/0x110 > [  212.808075]  ret_from_fork+0x10/0x20 > [  212.811657] Code: 910003fd f9000bf3 aa0003f3 97f9c873 (f9400260) > [  212.817745] ---[ end trace 0000000000000000 ]--- > > I will kick off a bisect now. I wonder if it is this old chestnut again ... Shakeel Butt memcg: drain obj stock on cpu hotplug teardown I will try that first. Jon -- nvpublic