From mboxrd@z Thu Jan 1 00:00:00 1970 From: marco gaddoni Subject: tg3 driver / BCM5722 dropping to 10Base-HD Date: Mon, 18 Jan 2010 15:17:32 +0100 Message-ID: <3b2bc9d1001180617m8c2e8ddm2bc99099758e53c3@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: netdev@vger.kernel.org Return-path: Received: from fg-out-1718.google.com ([72.14.220.155]:2978 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752505Ab0ARORd (ORCPT ); Mon, 18 Jan 2010 09:17:33 -0500 Received: by fg-out-1718.google.com with SMTP id 22so717214fge.1 for ; Mon, 18 Jan 2010 06:17:32 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: Hello, i have a dell with a BCM5722 driven by the tg3 driver. this pc is connected to an unmanaged switch by micronet; the connection is at 1000MBs. the system is normally stable; sometimes the connection get dropped to 10Mbs/HD. i can get te connection back up to 1000Mbps with an ethtool -t eth0. do you have any idea on what is the cause of this ? is this the wrong adderess? please cc: me as i am not subscibed to netdev. thank you in advance, marco, 02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5722 Gigabit Ethernet PCI Express Subsystem: Dell PowerEdge T300 Broadcom NetXtreme 57xx Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at dfef0000 (64-bit, non-prefetchable) [size=64K] Capabilities: [48] Power Management version 3 Capabilities: [50] Vital Product Data Capabilities: [58] Vendor Specific Information Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable- Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil- UEMsk: DLP- SDES- TLP- FCP- CmpltTO+ CmpltAbrt+ UnxCmplt+ RxOF- MalfTLP- ECRC- UnsupReq+ ACSVoil- UESvrt: DLP+ SDES+ TLP+ FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC+ UnsupReq- ACSVoil- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CESta: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ NonFatalErr+ AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn- Capabilities: [13c] Virtual Channel Capabilities: [160] Device Serial Number ba-79-2e-fe-ff-b9-26-00 Capabilities: [16c] Power Budgeting Kernel driver in use: tg3 Kernel modules: tg3 srvlinux:~ # ethtool -S eth0 NIC statistics: rx_octets: 11858646 rx_fragments: 0 rx_ucast_packets: 126925 rx_mcast_packets: 0 rx_bcast_packets: 370 rx_fcs_errors: 0 rx_align_errors: 0 rx_xon_pause_rcvd: 0 rx_xoff_pause_rcvd: 851 rx_mac_ctrl_rcvd: 0 rx_xoff_entered: 424 rx_frame_too_long_errors: 0 rx_jabbers: 0 rx_undersize_packets: 0 rx_in_length_errors: 0 rx_out_length_errors: 0 rx_64_or_less_octet_packets: 0 rx_65_to_127_octet_packets: 0 rx_128_to_255_octet_packets: 0 rx_256_to_511_octet_packets: 0 rx_512_to_1023_octet_packets: 0 rx_1024_to_1522_octet_packets: 0 rx_1523_to_2047_octet_packets: 0 rx_2048_to_4095_octet_packets: 0 rx_4096_to_8191_octet_packets: 0 rx_8192_to_9022_octet_packets: 0 tx_octets: 156635560 tx_collisions: 0 tx_xon_sent: 0 tx_xoff_sent: 0 tx_flow_control: 0 tx_mac_errors: 0 tx_single_collisions: 0 tx_mult_collisions: 0 tx_deferred: 0 tx_excessive_collisions: 0 tx_late_collisions: 0 tx_collide_2times: 0 tx_collide_3times: 0 tx_collide_4times: 0 tx_collide_5times: 0 tx_collide_6times: 0 tx_collide_7times: 0 tx_collide_8times: 0 tx_collide_9times: 0 tx_collide_10times: 0 tx_collide_11times: 0 tx_collide_12times: 0 tx_collide_13times: 0 tx_collide_14times: 0 tx_collide_15times: 0 tx_ucast_packets: 323623 tx_mcast_packets: 0 tx_bcast_packets: 37 tx_carrier_sense_errors: 0 tx_discards: 0 tx_errors: 0 dma_writeq_full: 0 dma_write_prioq_full: 0 rxbds_empty: 0 rx_discards: 0 rx_errors: 0 rx_threshold_hit: 0 dma_readq_full: 0 dma_read_prioq_full: 0 tx_comp_queue_full: 0 ring_set_send_prod_index: 0 ring_status_update: 0 nic_irqs: 0 nic_avoided_irqs: 0 nic_tx_threshold_hit: 0 srvlinux:~ # uname -a Linux srvlinux 2.6.27.39-0.3-default #1 SMP 2009-11-23 12:57:38 +0100 x86_64 x86_64 x86_64 GNU/Linux -- "Reality continues to ruin my life." - Calvin.