From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 915EC24EF8C for ; Fri, 17 Oct 2025 07:41:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.135.223.130 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760686865; cv=none; b=Dpc9DWRMvtq0CEl4Uel6sMQPGNxVVCmvZNleRg+ao+u0hZ+25jmknbaMya2heLHbBVeo0S3lnU5ElvbhOuMpqW3rgCFVZWW6bTbiIrywPZ3BA6AryQ1kn4kl459kfEvZwq7aGT6Jc5c1anIrC0kBOe0cwHS8D6mMXKWwc9PJBu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760686865; c=relaxed/simple; bh=LdFMmNVlMPFM1aNDZrsZY9hrHTXxAMU1dH4MLq0Fo2g=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=q7kCNl3enw0EDPYtlBqCAQRYocDOb5mYiWVxG22OpN/7HutJNgQD4cUphnuWOXPD8hYh9FNkSuEG3x06L/0VI6RUKBNmH99jnFx7g6D1Ng7J+yW94w/PCDq0VbE2UMm9kpjw5oyoXR+BdlwAFsoO67JhrKhFKKPqYzFgXHC/B+4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=x5veYaO2; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=Hy5aNDrz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b=x5veYaO2; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b=Hy5aNDrz; arc=none smtp.client-ip=195.135.223.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="x5veYaO2"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="Hy5aNDrz"; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="x5veYaO2"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="Hy5aNDrz" Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 8CB5121291; Fri, 17 Oct 2025 07:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1760686859; h=from:from:reply-to: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=/MzHCh6W+ho6cNHbqMbjyz5RU8OIl0w1M0aUgySHXOY=; b=x5veYaO2xh00pXOk3ZK9WjtvmjDk0vGVmSsvrSpxEmLfXQp+EFqGSQqId7Xd5uqGBOpL1R My+jXvlshUjF7KTilMDs25vBh/C8X1TlK3zSBVk7dU5wev0I6ljZNRwQrW287CRKWDL9Ff 6h84WAen9Ijz4SsglPJ7NvJqdMc1Ayw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1760686859; h=from:from:reply-to: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=/MzHCh6W+ho6cNHbqMbjyz5RU8OIl0w1M0aUgySHXOY=; b=Hy5aNDrzmaRxarSY57pBtHz2WCi2hP/o7Y8IgX91ziQOtdsjUtn/pe6nGpc03dXPj+RHGq IQbkQSrRHv/abBAQ== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=x5veYaO2; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=Hy5aNDrz DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1760686859; h=from:from:reply-to: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=/MzHCh6W+ho6cNHbqMbjyz5RU8OIl0w1M0aUgySHXOY=; b=x5veYaO2xh00pXOk3ZK9WjtvmjDk0vGVmSsvrSpxEmLfXQp+EFqGSQqId7Xd5uqGBOpL1R My+jXvlshUjF7KTilMDs25vBh/C8X1TlK3zSBVk7dU5wev0I6ljZNRwQrW287CRKWDL9Ff 6h84WAen9Ijz4SsglPJ7NvJqdMc1Ayw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1760686859; h=from:from:reply-to: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=/MzHCh6W+ho6cNHbqMbjyz5RU8OIl0w1M0aUgySHXOY=; b=Hy5aNDrzmaRxarSY57pBtHz2WCi2hP/o7Y8IgX91ziQOtdsjUtn/pe6nGpc03dXPj+RHGq IQbkQSrRHv/abBAQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 5949F136C6; Fri, 17 Oct 2025 07:40:59 +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 mN5vFAvz8WiMRAAAD6G6ig (envelope-from ); Fri, 17 Oct 2025 07:40:59 +0000 Date: Fri, 17 Oct 2025 09:40:58 +0200 Message-ID: <871pn26kmt.wl-tiwai@suse.de> From: Takashi Iwai To: Roy Vegard Ovesen Cc: Xj , Takashi Iwai , linux-sound Subject: Re: [BUG] Presonus Studio 1824c firmware 3.11 no longer exposes mixer interface ("Quirk or no altset; falling back to MIDI 1.0") In-Reply-To: References: <874irz86en.wl-tiwai@suse.de> <87ecr27trj.wl-tiwai@suse.de> <2b24f320-3c6c-4adc-b5c4-ce6134d3b39e@wp.pl> 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-Rspamd-Queue-Id: 8CB5121291 X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-2.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_DN_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FREEMAIL_TO(0.00)[gmail.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com,wp.pl]; FREEMAIL_CC(0.00)[wp.pl,suse.de,vger.kernel.org]; RCVD_COUNT_TWO(0.00)[2]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; TAGGED_RCPT(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim,imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns] X-Rspamd-Action: no action X-Spam-Flag: NO X-Spam-Score: -2.01 X-Spam-Level: On Thu, 16 Oct 2025 22:21:24 +0200, Roy Vegard Ovesen wrote: > > > [ 3.354758] ------------[ cut here ]------------ > > [ 3.354761] usb 3-2: BOGUS control dir, pipe 80000280 doesn't match bRequestType 40 > > [ 3.354769] WARNING: CPU: 12 PID: 1020 at drivers/usb/core/urb.c:412 usb_submit_urb+0x59f/0x650 > > [ 3.354776] Modules linked in: > > [ 3.354779] CPU: 12 UID: 0 PID: 1020 Comm: alsactl Not tainted 6.18.0-rc1 #1 PREEMPT(full) 3ae07d8adb35c0aa13fd8a63520768d4d65cbe95 > > [ 3.354782] Hardware name: ASRock B850M Pro-A/B850M Pro-A, BIOS 3.50 09/18/2025 > > [ 3.354784] RIP: 0010:usb_submit_urb+0x59f/0x650 > > [ 3.354786] Code: 89 44 24 0c 89 4c 24 08 e8 5e 1f ef ff 44 8b 44 24 0c 8b 4c 24 08 48 c7 c7 c0 a5 15 b8 48 8b 54 24 18 48 89 c6 e8 f1 e9 b8 fe <0f> 0b 4c 8b 54 24 10 e9 fe fc ff ff 80 3d e9 83 4a 02 00 74 50 b8 > > [ 3.354788] RSP: 0018:ffffd1bdc23a3750 EFLAGS: 00010246 > > [ 3.354789] RAX: 0000000000000000 RBX: ffff8bc7c1facfc0 RCX: 00000000000003f9 > > [ 3.354790] RDX: 0000000000000000 RSI: ffffd1bdc23a35f0 RDI: 0000000000000003 > > [ 3.354791] RBP: ffff8bc7c6a0d058 R08: 0000000000000000 R09: 00000000ffffdfff > > [ 3.354792] R10: ffffffffba11af80 R11: ffffd1bdc23a35e8 R12: 0000000000000000 > > [ 3.354793] R13: 0000000000000000 R14: ffff8bc7c6a0d000 R15: 0000000000000001 > > [ 3.354793] FS: 00007fab8f421b80(0000) GS:ffff8bcf24295000(0000) knlGS:0000000000000000 > > [ 3.354795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 3.354795] CR2: 00007fab8f52c000 CR3: 0000000112652000 CR4: 0000000000f50ef0 > > [ 3.354796] PKRU: 55555554 > > [ 3.354797] Call Trace: > > [ 3.354799] > > [ 3.354801] usb_start_wait_urb+0x89/0x190 > > [ 3.354804] usb_control_msg+0xe5/0x150 > > [ 3.354806] snd_usb_ctl_msg+0xa5/0x160 > > [ 3.354810] snd_sc1810c_get_status_field.constprop.0+0xc0/0x140 > > [ 3.354815] snd_s1810c_get_switch_state.constprop.0.isra.0+0x54/0xa0 > > [ 3.354817] snd_s1810c_switch_set+0x69/0x130 > > [ 3.354820] snd_ctl_elem_write+0x18b/0x260 > > [ 3.354824] snd_ctl_ioctl+0x3b8/0x7e0 > > [ 3.354826] __x64_sys_ioctl+0x97/0xe0 > > [ 3.354829] do_syscall_64+0x81/0x7f0 > > [ 3.354833] ? vfs_write+0x3c4/0x480 > > [ 3.354836] ? ksys_write+0xbf/0xf0 > > [ 3.354837] ? do_syscall_64+0x81/0x7f0 > > [ 3.354838] ? __x64_sys_close+0x3d/0x80 > > [ 3.354840] ? do_syscall_64+0x81/0x7f0 > > [ 3.354841] entry_SYSCALL_64_after_hwframe+0x76/0x7e > > [ 3.354843] RIP: 0033:0x7fab8f3112ff > > [ 3.354844] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00 > > [ 3.354845] RSP: 002b:00007ffc8d758ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > > [ 3.354846] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab8f3112ff > > [ 3.354846] RDX: 00007ffc8d758e30 RSI: 00000000c4c85513 RDI: 0000000000000004 > > [ 3.354847] RBP: 00007ffc8d759480 R08: 00007ffc8d758e30 R09: 0000000000000000 > > [ 3.354847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > > [ 3.354848] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000001 > > [ 3.354848] > > [ 3.354849] ---[ end trace 0000000000000000 ]--- > > This looks a bit sus. Yes, this must be fixed. It implies the pipe passed to snd_usb_ctl_msg() in snd_sc1810c_get_status_field() is somehow incorrect. Takashi