From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8C0AAC25B78 for ; Tue, 14 May 2024 22:52:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=claELxIdUCK9ii/DS4Zz8DUxYtW96GrNWf8LHzdqDEw=; b=SqrdSoCpDLK/iamdly4rUYegd0 rqn4Ij+Xek0c+0WxqFr/kxprSHq0MnVXACkJCr5P2m7Eo5rCdCDrd6GJ73yT8lStHtaFRInHVp51Q CALZSKdlQ4slVYFn4SrvcdaNt4toUHxwX+4K9W3lzIkx35MwJMOs8gR5KZ6jckDuLLHk+dHmDBDEk +EO/OdqqC46Ais7JyY7NOXO/RKFe9co+j+PFk6s9klEJqRjA45wnVzwC7phWihtN9tm+04LFY2y7F H8LBBeb+F3JXTkd0q5pdF3xP/fM2+pQZRhns4c918C182aKXNklhQLw3OcxJ3YOvgQoSgJOQx8jiE rtfB9rDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s70zy-0000000HOrz-1YxP; Tue, 14 May 2024 22:51:54 +0000 Received: from prime.voidband.net ([2a05:f480:1800:ee:5400:4ff:feab:5961]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s70zv-0000000HOqq-10A4; Tue, 14 May 2024 22:51:52 +0000 Received: from spock.localnet (unknown [94.142.239.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by prime.voidband.net (Postfix) with ESMTPSA id 2A87A6356CD1; Wed, 15 May 2024 00:51:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1715727109; h=from:from:reply-to:subject:subject: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=M/yx0LBa6BWxJcFbM41dPpkzsmx1uZjRYOaKe6bmwRA=; b=VG/cQyQnDLqz4Fw5M0R4xhc1in07k4Ww03a7FezDAlyes8JWwfW5sBdVy8dvEoTncQ6VeG p+BiQ+Cqvw4BQpgs0wDisTtmgrqbn+eu8S1OBM/qx7xYn3cQMIYZm15hfuCh9buSUMtAtR Bsn2gGRXMVYx/EosG8muwRDltjZR8D0= From: Oleksandr Natalenko To: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, "Linux regression tracking (Thorsten Leemhuis)" Cc: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Felix Fietkau , Lorenzo Bianconi , Ryder Lee , Shayne Chen , Sean Wang , Kalle Valo , Matthias Brugger , AngeloGioacchino Del Regno , Peter Chiu , StanleyYP Wang , Linux regressions mailing list , Johannes Berg Subject: Re: [REGRESSION] MT7915E doesn't work any more with v6.9 Date: Wed, 15 May 2024 00:51:38 +0200 Message-ID: <2341660.ElGaqSPkdT@natalenko.name> In-Reply-To: <6061263.lOV4Wx5bFT@natalenko.name> References: <6061263.lOV4Wx5bFT@natalenko.name> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240514_155151_567402_312C100D X-CRM114-Status: GOOD ( 10.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7745130950996049161==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============7745130950996049161== Content-Type: multipart/signed; boundary="nextPart4908084.GXAFRqVoOG"; micalg="pgp-sha256"; protocol="application/pgp-signature" --nextPart4908084.GXAFRqVoOG Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8"; protected-headers="v1" From: Oleksandr Natalenko Subject: Re: [REGRESSION] MT7915E doesn't work any more with v6.9 Date: Wed, 15 May 2024 00:51:38 +0200 Message-ID: <2341660.ElGaqSPkdT@natalenko.name> In-Reply-To: <6061263.lOV4Wx5bFT@natalenko.name> References: <6061263.lOV4Wx5bFT@natalenko.name> MIME-Version: 1.0 Also /cc Johannes because of this commit: 6092077ad09ce wifi: mac80211: introduce 'channel request' On st=C5=99eda 15. kv=C4=9Btna 2024 0:43:40, SEL=C4=8C Oleksandr Natalenko = wrote: > Hello Felix, Lorenzo et al. >=20 > With v6.9 kernel the following card: >=20 > 01:00.0 Unclassified device [0002]: MEDIATEK Corp. MT7915E 802.11ax PCI E= xpress Wireless Network Adapter [14c3:7915] >=20 > doesn't work any more. Upon mt7915e module insertion the following splat = happens: >=20 > mt7915e 0000:01:00.0: enabling device (0000 -> 0002) > WARNING: CPU: 3 PID: 1648 at net/mac80211/main.c:794 ieee80211_alloc_hw_n= m+0x9a3/0x9f0 [mac80211] > Call Trace: > > mt76_alloc_device+0x24/0x290 [mt76 46e2c4f11be089903469a4d6045c71cb7842b= 4cd] > mt7915_mmio_probe+0x33/0x1d0 [mt7915e 9657e1926e619568545a08636674805d5e= 665c85] > mt7915_pci_probe+0xe1/0x3a0 [mt7915e 9657e1926e619568545a08636674805d5e6= 65c85] > pci_device_probe+0xf0/0x2d0 > really_probe+0xde/0x3b0 > __driver_probe_device+0x78/0x110 > driver_probe_device+0x1f/0x130 > __driver_attach+0x91/0x1e0 > bus_for_each_dev+0x105/0x160 > bus_add_driver+0x137/0x270 > driver_register+0x72/0xd0 > mt7915_init+0x44/0xff0 [mt7915e 9657e1926e619568545a08636674805d5e665c85] > do_one_initcall+0x5b/0x310 > do_init_module+0x60/0x220 > init_module_from_file+0x89/0xe0 > idempotent_init_module+0x121/0x2b0 > __x64_sys_finit_module+0x5e/0xb0 > do_syscall_64+0x82/0x160 > entry_SYSCALL_64_after_hwframe+0x76/0x7e > mt7915e 0000:01:00.0: probe with driver mt7915e failed with error -12 >=20 > and the card stays non-functional. Re-inserting the module triggers the s= ame behaviour. >=20 > The following condition is triggered: >=20 > 794 if (WARN_ON(!ops->add_chanctx || > 795 !ops->remove_chanctx || > 796 !ops->change_chanctx || > 797 !ops->assign_vif_chanctx || > 798 !ops->unassign_vif_chanctx)) > 799 return NULL; >=20 > This worked with v6.8 and earlier just fine. >=20 > Please help. >=20 > Thank you. >=20 >=20 =2D-=20 Oleksandr Natalenko (post-factum) --nextPart4908084.GXAFRqVoOG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. 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