From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA2431E86F; Tue, 11 Jun 2024 12:53:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718110382; cv=none; b=aCzMoJr3O8K4lhCNNVVSpJLQWg9ozr2+TJerXGgoCiU0Tzv7huTBERk1SC7iXcpb+/VnSX32aCaSNOj4av09JWgLaRBalK++cgC2DgrjD6iiATPUgD4L3i+Z1Ex0F8Hd47ii54idHJWsT39RX93nlB8vUArRo4sTWON0GUe6mY0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718110382; c=relaxed/simple; bh=8k4aFEn9epFLsv4dAaMi9hR0KShNd2EEmHko2bR3L6M=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=ti534gIlFaASTenXkR0YXxS5cw3HjbMaqfHLcrdI3s/2twIt910C87J7ZoyEdpeQzs9/AZ3smGdmMOXv8rKF9EymryKI8GpmrlZB9dzSuWGbnJ4j5zHN5MxFDcql1NyKsc+nFIRWFlDsL5vgnUB1JJad8RObZaooz7+q3cfZacU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=dCoHoGKq; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="dCoHoGKq" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=5H77y2Cip2lYrbGUhjSBMLsUT+K5goNmlMChYCYRyG4=; t=1718110380; x=1719319980; b=dCoHoGKqyZ/o6poBfcAQEwbMULV8cHclXvW2uJwQ2ngfUe+ aUR0WmizEnlPudv3+YdnvaPsz5BdJh/R+uJxVly7InyXHT0myiKcM5I4Uw+IAhwHbCMYO0z/LDWTa FPBlREhRwpfYZL4Wy+lafzEq0mOIyZeWXsDQrRj0bL8qBfxR3nLpqqwcCs82z7JvDbKXPwaR+Yqxq 4YMfd7nWI0d+/54kaQjo6FuWYS6sh3hYpX/hDVxhQIM52yAYff+KepcTpDMYrCEUhnUgm50MGvKjh VfpNWcn9fnlYm8r89ttyZEiCLJwe6MWSyastVuNNhGMvX+5Fl+MQl38PfGt2EU+g==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1sH0zh-00000008cuV-2mpS; Tue, 11 Jun 2024 14:52:57 +0200 Message-ID: <3fbb5317d9ff33ef1b60ca8297537335ce86a79d.camel@sipsolutions.net> Subject: Re: iwlwifi: Regression after migrating to 6.6.32 From: Johannes Berg To: Fabio Estevam , miriam.rachel.korenblit@intel.com, kvalo@kernel.org Cc: Jakub Kicinski , linux-wireless , linux-kernel Date: Tue, 11 Jun 2024 14:52:56 +0200 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.2 (3.52.2-1.fc40) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-malware-bazaar: not-scanned On Tue, 2024-06-11 at 08:46 -0300, Fabio Estevam wrote: >=20 > [ 6.995391] ------------[ cut here ]------------ > [ 7.373564] WARNING: CPU: 3 PID: 136 at > /drivers/net/wireless/intel/iwlwifi/pcie/rx.c:269 > iwl_pcie_rxmq_restock+0x158/0x178 [iwlwifi] >=20 This warning happens if DMA mapping/allocation returns a page that's not page-aligned?? rxb->page_dma =3D dma_map_page(trans->dev, page, rxb->offset, trans_pcie->rx_buf_bytes, DMA_FROM_DEVICE); (or similar places), where rxb->offset will always be 0 unless rx_buf_bytes is set to 2048, but that can only happen if the amsdu_size module parameter is set to 4 (=3D2k) but that's not even supported any more? Maybe make this WARN_ONCE(...) with a string that has more info on the addresses. johannes