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Tue, 28 Oct 2025 12:05:19 +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 J1kbOH+xAGkmCwAAD6G6ig (envelope-from ); Tue, 28 Oct 2025 12:05:19 +0000 Date: Tue, 28 Oct 2025 13:05:19 +0100 Message-ID: <878qgvgrk0.wl-tiwai@suse.de> From: Takashi Iwai To: Askar Safin Cc: Dell.Client.Kernel@dell.com, amadeuszx.slawinski@linux.intel.com, baojun.xu@ti.com, bo.liu@senarytech.com, cezary.rojewski@intel.com, kai.vehmanen@linux.intel.com, kailang@realtek.com, linux-sound@vger.kernel.org, patches@opensource.cirrus.com, regressions@lists.linux.dev, rf@opensource.cirrus.com, Nicolas Schier , linux-kbuild@vger.kernel.org, Masahiro Yamada , Nathan Chancellor , miguel.ojeda.sandonis@gmail.com, ojeda@kernel.org, sam@gentoo.org, Thomas =?ISO-8859-1?Q?Wei=DFschuh?= , Daniel Xu Subject: Re: [REGRESSION][BISECTED] My audio broke (was: [PATCH 05/27] ALSA: hda: Move controller drivers into sound/hda/controllers directory) In-Reply-To: <87bjm78978.wl-tiwai@suse.de> References: <87o6q8l68r.wl-tiwai@suse.de> <20251015145749.2572-1-safinaskar@gmail.com> <878qhckxc5.wl-tiwai@suse.de> <875xcgkvnw.wl-tiwai@suse.de> <87bjm78978.wl-tiwai@suse.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-sound@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=US-ASCII X-Spamd-Result: default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; 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]; RCVD_TLS_ALL(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[21]; TAGGED_RCPT(0.00)[]; FREEMAIL_TO(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[dell.com,linux.intel.com,ti.com,senarytech.com,intel.com,realtek.com,vger.kernel.org,opensource.cirrus.com,lists.linux.dev,kernel.org,gmail.com,gentoo.org,linutronix.de,dxuuu.xyz]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid] X-Spam-Flag: NO X-Spam-Score: -1.80 X-Spam-Level: On Thu, 16 Oct 2025 11:52:43 +0200, Takashi Iwai wrote: > > On Thu, 16 Oct 2025 08:03:08 +0200, > Askar Safin wrote: > > > > I did another experiment. > > This time with v6.18-rc1. > > And I collected more info. > > - Here is Debian config for 6.17.2: [attachment config-6.17.2-amd64] > > - I downloaded vanilla Linux v6.18-rc1 from kernel.org > > - I copied that Debian config (see above) as .config to Linux sources > > - I did "LOCALVERSION=-first make --silent -j32 < /dev/null" ("< /dev/null", > > because I don't want to answer any questions) > > - This is output: [attachment first-out] > > - Then I booted into it > > - Audio works > > - Here is config of this kernel: [attachment config-6.18.0-rc1-first] > > - Here is "find /lib/modules/6.18.0-rc1-first": [attachment > > find-6.18.0-rc1-first] > > - Here is alsa-info: [attachment alsa-info-first] > > - Here is lsmod: [attachment first-lsmod] > > - Then I "cd" into kernel source (note that ".config" remained since last time) > > - I typed "make localmodconfig < /dev/null" > > - Here is output: [attachment localmodconfig-out] > > - I did "LOCALVERSION=-second make --silent -j32" > > - This command didn't produce any output and didn't ask any questions > > - Then I booted into new kernel > > - Audio doesn't work > > - Here is config of this kernel: [attachment config-6.18.0-rc1-second] > > - Here is "find /lib/modules/6.18.0-rc1-second": [attachment > > find-6.18.0-rc1-second] > > - Here is alsa-info: [attachment alsa-info-second] > > - Here is lsmod: [attachment second-lsmod] > > > > (Please, say me, if there are any missing files.) > > > > If you need more experiments, ask me. > > Thanks for detailed logs! Now the situation became clearer. > > Could you try to just enable CONFIG_SND_SOC_SOF_ALDERLAKE=m on top of > the broken config? If my guess is right, this should make the audio > working again. Askar, have you tried the above? I was off in the last week, so wondering whether I missed your follow up. thanks, Takashi > If yes, it's a problem of a kernel tristate config that doesn't have > the own module but referred only for constructing a probe table in > snd-intel-dspcfg. This is not really a fault of localmodconfig, but a > long-standing design problem. (I'm not sure why this surfaced > suddenly, though.) There are a few options to address it, and we have > to evaluate / decide what to do. > > > Takashi