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Tue, 11 Nov 2025 06:46:36 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id YVgoBszbEmlHTgAAD6G6ig (envelope-from ); Tue, 11 Nov 2025 06:46:36 +0000 Date: Tue, 11 Nov 2025 07:46:35 +0100 Message-ID: <87ikfh2his.wl-tiwai@suse.de> From: Takashi Iwai To: Cristian Verde Cc: perex@perex.cz, tiwai@suse.com, linux-kernel@vger.kernel.org Subject: Re: UB Sanitizer issue on wake-up from suspend (sound related) In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Level: X-Spamd-Result: default: False [0.20 / 50.00]; BAYES_HAM(-3.00)[99.99%]; INTRODUCTION(2.00)[]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FREEMAIL_TO(0.00)[gmail.com]; RCPT_COUNT_THREE(0.00)[4]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TAGGED_RCPT(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid] X-Spam-Flag: NO X-Spam-Score: 0.20 On Mon, 10 Nov 2025 20:46:00 +0100, Cristian Verde wrote: > > > Good evening (in my country), > > My name is Cristian Verde and this is my first bug report, so I'm sorry for > the crudity. > > [ 6173.298248] UBSAN: invalid-load in /build/linux-PxlDdq/linux-6.16.8/sound/ > core/pcm_native.c:636:46 > [ 6173.298255] load of value 162 is not a valid value for type '_Bool' > [ 6173.298281] nvidia 0000:01:00.0: PM: pci_pm_suspend(): nv_pmops_suspend > [nvidia] returns -5 > [ 6173.298660] nvidia 0000:01:00.0: PM: dpm_run_callback(): pci_pm_suspend > returns -5 > [ 6173.298673] nvidia 0000:01:00.0: PM: failed to suspend async: error -5 > [ 6173.341921] PM: Some devices failed to suspend, or early wake event > detected > [ 6173.818931] nvidia 0000:01:00.0: PM: pci_pm_suspend(): nv_pmops_suspend > [nvidia] returns -5 > [ 6173.818991] nvidia 0000:01:00.0: PM: dpm_run_callback(): pci_pm_suspend > returns -5 > [ 6173.819003] nvidia 0000:01:00.0: PM: failed to suspend async: error -5 > [ 6173.857619] PM: Some devices failed to suspend, or early wake event > detected > > Also found this Reddit post > > I reported it already to Pop_OS maintainers, since I don't know where the > problem is (the Pop_OS 22.04 that I'm using has Linux 6.16.8, as can be seen > above, so a bit of an older version) > > The issue might be related to why the volume slider doesn't work (since it's > sound related)? Only happens on the laptop's speakers > (LENOVO_MT_82Y7_BU_idea_FM_Yoga Pro 7 14IRH8), not any other audio devices. > > If it helps, I had the same issue when I ran Ubuntu 22.04, and didn't have it > on another machine (some ASUS). > > I can provide other details, and please let me know if I should use > other communication channels, thank you very much! > > Best regards, > Cristian Verde This must be a bug rather in Nvidia download driver. It means a wrong value is stored in substream->runtime->stop_operating field which should have been a boolean. Takashi