From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.199 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792977128; b=1gEJ/XqQcPjE9mB8joDIBeNuIazn+ML3LLnh4ovdBkJwYUi6HuyvD5gJKMS5uFQCIh2j IU6yHqpHJUJhPeLonNsKX075ZJTCkvseEQrn8uhSN8y4EEKWbzrN7fMthcmcS18a0zmVk UAI6YDLFtFHEeWVXi1VXZVAY8xnz4ydEc1QAJoKJePupPDmtX9B4Q3N0oSorsKelC0OKH XSaAZKK983eeWHHlJZlsDpH4fM7DbI1OFky9j5tHt6BBzg4lfafwjyEszmNT51P42Pf7j Zb1l4SufTJr2gUYvEqhQy0gF48WU4Ys9qNZZQ4dcjtuQx9sEYNYN0JLQ+vxaw3QY7nw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792977128; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-Id: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=/Vo0OMuSaDO/H3O6tzdFw0Cxs72b62Txtu4BXOLWidw=; b=3h3BnzDkOTX/RIVj39F8LsBn43jprKHrdoSmUr2iSoACUIbdArq5lALwYfrI0+3+DODU XSKY3tBVZpMK0WcGo1VHHLbU9ayM+BBoLfrxQy6mKy0w8BJL/ASOUsXlDOyH34p4Jus/w ubpIg2LTViFGDr0wANEQqDCbZW1TvHa8qWFpC4MaRbJ+uB22++9UcTyGYyOLAKQLw/YYF 3QygdIiE+5IbYk7Pv3H0wcpdROPbOwYhDAJUJe7w7Ya6wHMB9uAlEP1BFdgrIy5Z/JI/n lSGwXNniAniB2CYOzr0w3Q397959Yb63n3K3qB4WW8V8/FiZl+na364df5iUN6lR7pQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=GNImmbwa; arc=none smtp.remote-ip=95.215.58.199 Received: from mta1.migadu.com (out-199.mta1.migadu.com [95.215.58.199]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1555606A31A for ; Mon, 26 Oct 2026 01:12:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org C1555606A31A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=GNImmbwa X-Envelope-To: linux-wireless@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=e4q6md8y3gvSn1L2GOVKpkCcmtKjI7Ho25c80BwSm+s=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1792977124; v=1; x=1793581924; b=GNImmbwamHLEuw+Ni2afNFPQFkc82NALK7WiElvXQhQ8x08iZe1INi/iQ5X+P03dzBe4ydzP zrojLK/Lj3iWZkj/fKBr4G3oCbzZK7nHd0xgt/urC4Kt1V1amhyy9+wSAuBJfA7XqpgA6s/5tKt FNxs5oI3f4t18FZ5dI+ch+ok= X-Envelope-To: linux-wireless@vger.kernel.org Received: by mta11.migadu.com with ESMTPS id 78f07ac51e919c2a; Mon, 26 Oct 2026 01:12:04 +0000 X-Mizu-Trace-ID: 78f07ac51e919c2a X-Migadu-Flow: FLOW_OUT From: Yi Cong To: lucid_duck@justthetip.ca, jasonvhodge@gmail.com Cc: emery.hsin@mediatek.com, linux-wireless@vger.kernel.org, mingyen.hsieh@mediatek.com, nbd@nbd.name, sean.wang@mediatek.com, yu-ching.liu@mediatek.com Subject: Re: [BUG] wifi: mt76: mt7925e: resume fails with -110 on MT7927, occasional system hang Date: Mon, 26 Oct 2026 09:11:45 +0800 Message-Id: <20261026011145.3431585-1-cong.yi@linux.dev> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20261024001637.22946-1-lucid_duck@justthetip.ca> References: <20261024001637.22946-1-lucid_duck@justthetip.ca> X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Fri, 23 Oct 2026 17:16:37 -0700, Devin Wittmayer wrote: > > Jason Hodge wrote: > > mt7925e 0000:03:00.0: PM: dpm_run_callback(): pci_pm_resume returns -110 > > mt7925e 0000:03:00.0: PM: failed to resume async: error -110 > > Yi Cong posted a patch for these same two errors on October 22: > > https://lore.kernel.org/linux-wireless/20261022085100.132368-1-cong.yi@linux.dev/ > > When the resume handshake times out, the driver already resets the card > to recover it, but still hands -110 to the PM core. The patch reports > success once that reset is scheduled. It applies cleanly to 7.2.11. > I've added Yi Cong to Cc. > > Thanks for the detailed report and the unload workaround. > > Devin It does look like the same issue I encountered, although I only see it on some ARM platforms, likely related to their power management policies. In my case, the driver just reset; system didn't hang. You can try applying this patch to see if it resolves the problem. Regards, Yi Cong