From owner-freebsd-isp Sun Feb 24 1:54:43 2002 Delivered-To: freebsd-isp@freebsd.org Received: from ady.warpnet.ro (ady.warpnet.ro [217.156.25.2]) by hub.freebsd.org (Postfix) with ESMTP id 665ED37B402; Sun, 24 Feb 2002 01:54:31 -0800 (PST) Received: from localhost (ady@localhost) by ady.warpnet.ro (8.9.3/8.9.3) with ESMTP id LAA75545; Sun, 24 Feb 2002 11:54:27 +0200 (EET) (envelope-from ady@usv.ro) X-Authentication-Warning: ady.warpnet.ro: ady owned process doing -bs Date: Sun, 24 Feb 2002 11:54:25 +0200 (EET) From: Adrian Penisoara X-Sender: ady@ady.warpnet.ro To: freebsd-isp@freebsd.org, freebsd-network@freebsd.org Subject: Lucent Avaya Comm 11Mbps wireless eating all CPU Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="0-224931802-1014544465=:73481" Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --0-224931802-1014544465=:73481 Content-Type: TEXT/PLAIN; charset=US-ASCII Hi, I have a PCMCIA Lucent Avaya Communication Silver 11Mbps wireless card (hosted on a PCI PC Card bus) installed on a gateway with a Pentium 233Mhz MMX CPU and this card eats all CPU at about 3Mbps (with >90% of the time spent in interrupts). The strange thing is that it doesn't really generate that many interrupts (about 100 interrupts per second, versus ~300 total interrupts per second). The card is attached (through the pccardd daemon) as a wi0 interface and has WEP encription (40bit key) enabled. My hypothesis is that the CPU is hogged by the WEP encryption calculations done by the driver in the interrupt handler or it might be something wrong with the driver. Has anyone seen this issue ? Is it normal ? Could a better CPU (e.g. 700Mh Duron) handle the whole 11Mbps bandwidth ? Some background: [ifconfig wi0] wi0: flags=8843 mtu 1500 inet xx.xx.xx.xx netmask 0xfffffff0 broadcast xx.xx.xx.xx ether 00:02:2d:22:2c:3b media: IEEE 802.11 Wireless Ethernet autoselect (DS/11Mbps) status: associated ssid xxxx 1:xxxx stationname "FreeBSD WaveLAN/IEEE node" channel 10 authmode NONE powersavemode OFF powersavesleep 100 wepmode MIXED weptxkey 1 wepkey 1:64-bit [wicontrol -i wi0] NIC serial number: [ 01UT21446483 ] Station name: [ FreeBSD WaveLAN/IEEE node ] SSID for IBSS creation: [ xxxx ] Current netname (SSID): [ xxxx ] Desired netname (SSID): [ xxxx ] Current BSSID: [ 00:02:2d:30:f1:a2 ] Channel list: [ 2047 ] IBSS channel: [ 10 ] Current channel: [ 10 ] Comms quality/signal/noise: [ 33 88 55 ] Promiscuous mode: [ Off ] Port type (1=BSS, 3=ad-hoc): [ 1 ] MAC address: [ 00:02:2d:22:2c:3b ] TX rate (selection): [ 3 ] TX rate (actual speed): [ 11 ] RTS/CTS handshake threshold: [ 2347 ] Create IBSS: [ Off ] Access point density: [ 1 ] Power Mgmt (1=on, 0=off): [ 0 ] Max sleep time: [ 100 ] WEP encryption: [ On ] TX encryption key: [ 1 ] Encryption keys: [ xxxxx ][ ][ ][ ] [console.log] Feb 23 13:15:14 xxx /kernel: Feb 23 13:15:14 fw pccardd[57]: wi0: Avaya Communication (Avaya Wireless PC Card) remov ed. Feb 23 13:15:24 xxx /kernel: Feb 23 13:15:24 fw pccardd[57]: Card "Avaya Communication"("Avaya Wireless PC Card") [V ersion 01.01] [] matched "Avaya Communication" ("Avaya Wireless PC Card") [(null)] [(null)] Feb 23 13:15:29 xxx /kernel: Feb 23 13:15:29 fw pccardd[57]: wi0: Avaya Communication (Avaya Wireless PC Card) inser ted. Feb 23 13:56:28 xxx /kernel: Feb 23 13:56:28 fw pccardd[57]: wi0: Avaya Communication (Avaya Wireless PC Card) remov ed. Feb 23 14:02:35 xxx /kernel: Feb 23 14:02:35 fw pccardd[57]: Card "Avaya Communication"("Avaya Wireless PC Card") [V ersion 01.01] [] matched "Avaya Communication" ("Avaya Wireless PC Card") [(null)] [(null)] Feb 23 14:02:40 xxx /kernel: Feb 23 14:02:40 fw pccardd[57]: wi0: Avaya Communication (Avaya Wireless PC Card) inser ted. Dmesg attached. If further details are needed please ask. Thank you, Ady (@usv.ro) net/sys admin DCTI, USV --0-224931802-1014544465=:73481 Content-Type: TEXT/PLAIN; charset=US-ASCII; name="dmesg.boot" Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: dmesg output Content-Disposition: attachment; filename="dmesg.boot" Q29weXJpZ2h0IChjKSAxOTkyLTIwMDIgVGhlIEZyZWVCU0QgUHJvamVjdC4N CkNvcHlyaWdodCAoYykgMTk3OSwgMTk4MCwgMTk4MywgMTk4NiwgMTk4OCwg MTk4OSwgMTk5MSwgMTk5MiwgMTk5MywgMTk5NA0KCVRoZSBSZWdlbnRzIG9m IHRoZSBVbml2ZXJzaXR5IG9mIENhbGlmb3JuaWEuIEFsbCByaWdodHMgcmVz ZXJ2ZWQuDQpGcmVlQlNEIDQuNS1TVEFCTEUgIzc6IEZyaSBGZWIgMjIgMjE6 MjM6NDYgRUVUIDIwMDINCiAgICByb290QHh4eC51c3Yucm86L3Vzci9vYmov dXNyL3NyYy9zeXMvRlctR1cNClRpbWVjb3VudGVyICJpODI1NCIgIGZyZXF1 ZW5jeSAxMTkzNDQ5IEh6DQpDUFU6IFBlbnRpdW0vUDU1QyAoMjMzLjkyLU1I eiA1ODYtY2xhc3MgQ1BVKQ0KICBPcmlnaW4gPSAiR2VudWluZUludGVsIiAg SWQgPSAweDU0MyAgU3RlcHBpbmcgPSAzDQogIEZlYXR1cmVzPTB4ODAwMWJm PEZQVSxWTUUsREUsUFNFLFRTQyxNU1IsTUNFLENYOCxNTVg+DQpyZWFsIG1l 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