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Message-ID: <BANLkTim8anqNv4MEaxCTyC8HyOZp2x=ixQ@mail.gmail.com> Date: Thu, 7 Apr 2011 04:11:27 +0200 From: Gottfried Haider <gottfried.haider@...il.com> To: linux-kernel@...r.kernel.org, linux-net@...r.kernel.org, linux-usb@...r.kernel.org Subject: [Regression] USB tethering does not work anymore in 2.6.29-rc2 (rndis_host, does not receive DHCP offer anymore) Hello, I am using an Android phone connected over USB to connect to the internet. Something in -rc2 broke this, as I am not getting connections through NetworkManager anymore (it doesn't receive a DHCPOFFER anymore and times out). This does work on the -rc1 kernel and is 100% reproducible here (same USB port, rebooting the phone between tries). dmesg is about the same in both cases (the usb-storage is here as the phone frist tries to act as a mass storage device after connect and I have to manually activate a checkbox to switch to tethering functionality): [ 235.150385] usb 1-3: new high speed USB device number 3 using ehci_hcd [ 235.320523] scsi2 : usb-storage 1-3:1.0 [ 235.801209] usb 1-3: USB disconnect, device number 3 [ 236.200390] usb 1-3: new high speed USB device number 4 using ehci_hcd [ 236.452982] usbcore: registered new interface driver cdc_ether [ 236.473241] rndis_host 1-3:1.0: usb0: register 'rndis_host' at usb-0000:00:12.2-3, RNDIS device, 06:0f:e2:6a:61:cd [ 236.474151] usbcore: registered new interface driver rndis_host [ 236.487433] usbcore: registered new interface driver rndis_wlan [ 246.850094] usb0: no IPv6 routers present lspci is at http://sukzessiv.net/x120e , let me know if you need any more info. cheers, gohai Below the full NetworkMonitor output of the working (-rc1) case and below the failing (-rc2) one. I noticed the different ifindex in line two, but other than that I don't see any difference except the obviously missing DHCPOFFER. -- begin working (-rc1) -- NetworkManager[1958]: <info> (usb0): carrier is OFF NetworkManager[1958]: <info> (usb0): new Ethernet device (driver: 'rndis_host' ifindex: 5) NetworkManager[1958]: <info> (usb0): exported as /org/freedesktop/NetworkManager/Devices/2 NetworkManager[1958]: <info> (usb0): now managed NetworkManager[1958]: <info> (usb0): device state change: 1 -> 2 (reason 2) NetworkManager[1958]: <info> (usb0): bringing up device. NetworkManager[1958]: <info> (usb0): preparing device. NetworkManager[1958]: <info> (usb0): deactivating device (reason: 2). NetworkManager[1958]: <info> Added default wired connection 'Auto usb0' for /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0 NetworkManager[1958]: <info> (usb0): carrier now ON (device state 2) NetworkManager[1958]: <info> (usb0): device state change: 2 -> 3 (reason 40) NetworkManager[1958]: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0, iface: usb0) NetworkManager[1958]: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0, iface: usb0): no ifupdown configuration found. NetworkManager[1958]: <info> Activation (usb0) starting connection 'Auto usb0' NetworkManager[1958]: <info> (usb0): device state change: 3 -> 4 (reason 0) NetworkManager[1958]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) scheduled... NetworkManager[1958]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) started... NetworkManager[1958]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) scheduled... NetworkManager[1958]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) complete. NetworkManager[1958]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) starting... NetworkManager[1958]: <info> (usb0): device state change: 4 -> 5 (reason 0) NetworkManager[1958]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) successful. NetworkManager[1958]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) scheduled. NetworkManager[1958]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) complete. NetworkManager[1958]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) started... NetworkManager[1958]: <info> (usb0): device state change: 5 -> 7 (reason 0) NetworkManager[1958]: <info> Activation (usb0) Beginning DHCPv4 transaction (timeout in 45 seconds) NetworkManager[1958]: <info> dhclient started with pid 2030 NetworkManager[1958]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) complete. Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ NetworkManager[1958]: <info> (usb0): DHCPv4 state changed nbi -> preinit Listening on LPF/usb0/3e:fd:8f:24:d4:25 Sending on LPF/usb0/3e:fd:8f:24:d4:25 Sending on Socket/fallback DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 3 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 5 DHCPOFFER of 192.168.42.47 from 192.168.42.129 DHCPREQUEST of 192.168.42.47 on usb0 to 255.255.255.255 port 67 DHCPACK of 192.168.42.47 from 192.168.42.129 NetworkManager[1958]: <info> (usb0): DHCPv4 state changed preinit -> bound NetworkManager[1958]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Get) scheduled... NetworkManager[1958]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Get) started... NetworkManager[1958]: <info> address 192.168.42.47 NetworkManager[1958]: <info> prefix 24 (255.255.255.0) NetworkManager[1958]: <info> gateway 192.168.42.129 NetworkManager[1958]: <info> hostname 'x120e' NetworkManager[1958]: <info> nameserver '192.168.42.129' bound to 192.168.42.47 -- renewal in 1587 seconds. NetworkManager[1958]: <info> Scheduling stage 5 NetworkManager[1958]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) scheduled... NetworkManager[1958]: <info> Done scheduling stage 5 NetworkManager[1958]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Get) complete. NetworkManager[1958]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) started... NetworkManager[1958]: <info> (usb0): device state change: 7 -> 8 (reason 0) NetworkManager[1958]: <info> Policy set 'Auto usb0' (usb0) as default for IPv4 routing and DNS. NetworkManager[1958]: <info> Activation (usb0) successful, device activated. NetworkManager[1958]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) complete. -- end working (-rc1) -- -- begin fail (-rc2) -- NetworkManager[2541]: <info> (usb0): carrier is OFF NetworkManager[2541]: <info> (usb0): new Ethernet device (driver: 'rndis_host' ifindex: 6) NetworkManager[2541]: <info> (usb0): exported as /org/freedesktop/NetworkManager/Devices/2 NetworkManager[2541]: <info> (usb0): now managed NetworkManager[2541]: <info> (usb0): device state change: 1 -> 2 (reason 2) NetworkManager[2541]: <info> (usb0): bringing up device. NetworkManager[2541]: <info> (usb0): preparing device. NetworkManager[2541]: <info> (usb0): deactivating device (reason: 2). NetworkManager[2541]: <info> Added default wired connection 'Auto usb0' for /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0 NetworkManager[2541]: <info> (usb0): carrier now ON (device state 2) NetworkManager[2541]: <info> (usb0): device state change: 2 -> 3 (reason 40) NetworkManager[2541]: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0, iface: usb0) NetworkManager[2541]: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:12.2/usb1/1-3/1-3:1.0/net/usb0, iface: usb0): no ifupdown configuration found. NetworkManager[2541]: <info> Activation (usb0) starting connection 'Auto usb0' NetworkManager[2541]: <info> (usb0): device state change: 3 -> 4 (reason 0) NetworkManager[2541]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) scheduled... NetworkManager[2541]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) started... NetworkManager[2541]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) scheduled... NetworkManager[2541]: <info> Activation (usb0) Stage 1 of 5 (Device Prepare) complete. NetworkManager[2541]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) starting... NetworkManager[2541]: <info> (usb0): device state change: 4 -> 5 (reason 0) NetworkManager[2541]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) successful. NetworkManager[2541]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) scheduled. NetworkManager[2541]: <info> Activation (usb0) Stage 2 of 5 (Device Configure) complete. NetworkManager[2541]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) started... NetworkManager[2541]: <info> (usb0): device state change: 5 -> 7 (reason 0) NetworkManager[2541]: <info> Activation (usb0) Beginning DHCPv4 transaction (timeout in 45 seconds) NetworkManager[2541]: <info> dhclient started with pid 2609 NetworkManager[2541]: <info> Activation (usb0) Stage 3 of 5 (IP Configure Start) complete. Internet Systems Consortium DHCP Client 4.1.1-P1 Copyright 2004-2010 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ NetworkManager[2541]: <info> (usb0): DHCPv4 state changed nbi -> preinit Listening on LPF/usb0/06:eb:ae:9f:5d:5d Sending on LPF/usb0/06:eb:ae:9f:5d:5d Sending on Socket/fallback DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 3 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 4 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 5 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 13 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 18 DHCPDISCOVER on usb0 to 255.255.255.255 port 67 interval 14 NetworkManager[2541]: <warn> (usb0): DHCPv4 request timed out. NetworkManager[2541]: <info> (usb0): canceled DHCP transaction, DHCP client pid 2609 NetworkManager[2541]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Timeout) scheduled... NetworkManager[2541]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Timeout) started... NetworkManager[2541]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) scheduled... NetworkManager[2541]: <info> Activation (usb0) Stage 4 of 5 (IP4 Configure Timeout) complete. NetworkManager[2541]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) started... NetworkManager[2541]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) failed (no IP configuration found) NetworkManager[2541]: <info> (usb0): device state change: 7 -> 9 (reason 5) NetworkManager[2541]: <info> Marking connection 'Auto usb0' invalid. NetworkManager[2541]: <warn> Activation (usb0) failed. NetworkManager[2541]: <info> Activation (usb0) Stage 5 of 5 (IP Configure Commit) complete. NetworkManager[2541]: <info> (usb0): device state change: 9 -> 3 (reason 0) NetworkManager[2541]: <info> (usb0): deactivating device (reason: 0). -- end fail (-rc2) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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