From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id B0EE113838B for ; Sun, 5 Oct 2014 14:12:52 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id DB388E0970; Sun, 5 Oct 2014 14:12:46 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id ABCF8E085B for ; Sun, 5 Oct 2014 14:12:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id D53DD340266 for ; Sun, 5 Oct 2014 14:12:44 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Flag: NO X-Spam-Score: 0.951 X-Spam-Level: X-Spam-Status: No, score=0.951 tagged_above=-999 required=5.5 tests=[AWL=1.487, BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FREEMAIL_FROM=0.001, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_NUMERIC_HELO=1.164, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_FSL_HELO_BARE_IP_2=0.01, T_RP_MATCHES_RCVD=-0.01] autolearn=no Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N1cX76Rzypin for ; Sun, 5 Oct 2014 14:12:39 +0000 (UTC) Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 3D35F3402CC for ; Sun, 5 Oct 2014 14:12:38 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XamY7-0007uI-CR for gentoo-user@gentoo.org; Sun, 05 Oct 2014 16:12:35 +0200 Received: from 64.69.39.82 ([64.69.39.82]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 Oct 2014 16:12:35 +0200 Received: from w41ter by 64.69.39.82 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 05 Oct 2014 16:12:35 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: walt Subject: [gentoo-user] Re: Cohorent pool size too small... Date: Sun, 05 Oct 2014 07:12:19 -0700 Message-ID: References: <20141005135221.GC3856@solfire> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 64.69.39.82 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1 In-Reply-To: <20141005135221.GC3856@solfire> X-Archives-Salt: b67b0f48-99a3-4267-b6cb-2a8549fb7d6f X-Archives-Hash: c77a1de21fa2a9175ffba95e9b181f2d On 10/05/2014 06:52 AM, meino.cramer@gmx.de wrote: > Hi, > > while trying to get a mt7601sta (UWN200 WiFi dongle) driver running > and working I came accross this in the dmesg output: > > [ 9.931938] usb 2-1: device v148f p7601 is not supported This looks to me like it's the real error, not the one below. > [ 9.931976] usb 2-1: New USB device found, idVendor=148f, idProduct=7601 > [ 9.931994] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 > [ 10.077532] rtusb init rt2870 ---> > [ 10.079338] > > === pAd = e0c58000, size = 860808 === > > [ 10.079939] ERROR: 256 KiB atomic DMA coherent pool is too small! > Please increase it with coherent_pool= kernel parameter! > [ 10.079968] <-- ERROR in Alloc Bulk buffer for HTTxContext! > [ 10.079983] ---> RTMPFreeTxRxRingMemory > [ 10.080026] <--- RTMPFreeTxRxRingMemory > [ 10.080040] ERROR!!! Failed to allocate memory - TxRxRing > > > But > > cat /proc/cmdline > > shows: > > console=tty1 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait fixrtc capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G,coherent_pool=2M > > (this is an embedded device, thats why there are the other parameters > around...) > > I do not find any way to set this parameter while compiling the > kernel. And setting the kernel parameter seems not to work either... > > Lost? > > ...or am I only blind... ? ;) > > How can I increase the cohorent pool size successfully? > > Best regards, > mcc > > PS: The driver sources are not included in the kernel and have to be > compiled externally/extra... > > >