[Bug 623222] New: wifi connections drop, with networkmanager and ifup setup, on many different wifi cards
http://bugzilla.novell.com/show_bug.cgi?id=623222 http://bugzilla.novell.com/show_bug.cgi?id=623222#c0 Summary: wifi connections drop, with networkmanager and ifup setup, on many different wifi cards Classification: openSUSE Product: openSUSE 11.3 Version: Final Platform: x86-64 OS/Version: openSUSE 11.3 Status: NEW Severity: Major Priority: P5 - None Component: Network AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: georges.sancosme@canopee-conseil.net QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.2.6) Gecko/20100626 SUSE/3.6.6-1.2 Firefox/3.6.6 with my totally fresh install of opensuse 11.3. I was running the same laptop, with opensuse 11.1 with kde4.4.4 and networkmanager managing the network. After a few minutes the wifi connection get lost. I have noticed some weird things, the connexion is done well and quick (a few seconds) if I look to the speed before it connects it shows me a nice 54mbps, but once the connexion is established the speed falls to 2mbps ! the iwconfig shows this : lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"tagada" Mode:Managed Frequency:2.412 GHz Access Point: 00:18:F6:72:3E:00 Bit Rate=1 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr : off Fragment thr : off Encryption key : off Power Management : off Link Quality=70/70 Signal level=-36 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 pan0 no wireless extensions. /etc/resolv.conf : ### /etc/resolv.conf file autogenerated by netconfig! # # Before you change this file manually, consider to define the # static DNS configuration using the following variables in the # /etc/sysconfig/network/config file: # NETCONFIG_DNS_STATIC_SEARCHLIST # NETCONFIG_DNS_STATIC_SERVERS # NETCONFIG_DNS_FORWARDER # or disable DNS configuration updates via netconfig by setting: # NETCONFIG_DNS_POLICY='' # # See also the netconfig(8) manual page and other documentation. # # Note: Manual change of this file disables netconfig too, but # may get lost when this file contains comments or empty lines # only, the netconfig settings are same with settings in this # file and in case of a "netconfig update -f" call. # ### Please remove (at least) this line when you modify the file! search tagada.home nameserver 192.168.1.254 I have copied the .ked4/share/config/networkmanagementrc and ked4/share/apps/networkmanagement/config/* from my old disk (to ensure that was not a problem from kde in the new install. The behaviour is the same. route shoes : Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 2 0 0 wlan0 loopback * 255.0.0.0 U 0 0 0 lo default gw.tagada.home 0.0.0.0 UG 0 0 0 wlan0 To restart the connexion I just have to click on the connexion icon. It takes 3 seconds to reconfigure, works for some minutes (sometimes 30seconds sometimes more than half an hour) and fails, ifconfig shows me a valid config : wlan0 Link encap:Ethernet HWaddr 00:13:E8:8C:61:E1 inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:22823 errors:0 dropped:0 overruns:0 frame:0 TX packets:18781 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:25586068 (24.4 Mb) TX bytes:3403974 (3.2 Mb) ethtool -i wlan0 driver: iwlagn version: 2.6.34-12-desktop firmware-version: 228.61.2.24 bus-info: 0000:03:00.0 Reproducible: Always Steps to Reproduce: 1. connect to a wireless access point (ifup or networkmanager) with WPA/PSK encryption, no special setup. (tested with or without IPV6 activated, doesn't change) 2.When the connection is established, browse the net during some minutes (1->15) Actual Results: The connection stops functionning (with any site, and any protocol) The interface begins to broadcast ARP requests to the gw (who is nnn.nnn.nnn.nnn) see tcpdump attached (can no longer see the gateway) Expected Results: The connection should stay alive -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
http://bugzilla.novell.com/show_bug.cgi?id=623222
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--- Comment #1 from Georges Sancosme
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--- Comment #2 from Georges Sancosme
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yang xiaoyu
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Vladimir Botka
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Vladimir Botka
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--- Comment #5 from Georges Sancosme
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--- Comment #6 from Georges Sancosme
Would it be possible to try and isolate the problem according to [1] ?
[1] http://en.opensuse.org/SDB:Tracking_down_wireless_problems
Yes, I'll try to reproduce it during a crash and will give you all details -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #7 from Georges Sancosme
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Georges Sancosme
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--- Comment #9 from Vladimir Botka
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Vladimir Botka
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Georges Sancosme
Does this problem still occur in 11.4 ?
As far as I have observed no. On the other hand with 11.3 and a 2.6.39 kernel either. If you need more info (traces etc) just inform me as I am not always on the site where I observed the crashes, and I have changed my laptop in January this year. I will have to test it again. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Vladimir Botka
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