Fedora 12 + AR928X wireless disconnected

whoaminot · #1 26th December 2009, 09:19 PM

running FC12, 2.6.31.9-174.fc12.i686 on Acer Aspire 5532.
wireless keep getting disconnected at certain points in time, looks like when maybe heavily used, not sure.
interesting stuff on dmesg when this happens:
Dec 26 11:18:43 localhost dhclient: DHCPREQUEST on wlan0 to 255.255.255.255 port 67
Dec 26 11:18:43 localhost dhclient: DHCPACK from 192.168.1.254
Dec 26 11:18:43 localhost NetworkManager: <info> DHCP: device wlan0 state changed preinit -> reboot
Dec 26 11:18:43 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled...
Dec 26 11:18:43 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) started...
Dec 26 11:18:43 localhost NetworkManager: <info> address 192.168.1.71
Dec 26 11:18:43 localhost NetworkManager: <info> prefix 24 (255.255.255.0)
Dec 26 11:18:43 localhost NetworkManager: <info> gateway 192.168.1.254
Dec 26 11:18:43 localhost NetworkManager: <info> nameserver '192.168.1.254'
Dec 26 11:18:43 localhost NetworkManager: <info> domain name 'gateway.2wire.net'
Dec 26 11:18:43 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled...
Dec 26 11:18:43 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) complete.
Dec 26 11:18:43 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started...
Dec 26 11:18:43 localhost avahi-daemon[845]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.71.
Dec 26 11:18:43 localhost avahi-daemon[845]: New relevant interface wlan0.IPv4 for mDNS.
Dec 26 11:18:43 localhost avahi-daemon[845]: Registering new address record for 192.168.1.71 on wlan0.IPv4.
Dec 26 11:18:43 localhost dhclient: bound to 192.168.1.71 -- renewal in 33653 seconds.
Dec 26 11:18:44 localhost NetworkManager: <info> (wlan0): device state change: 7 -> 8 (reason 0)
Dec 26 11:18:44 localhost NetworkManager: <info> Policy set 'Auto 2WIRE402' (wlan0) as default for routing and DNS.
Dec 26 11:18:44 localhost NetworkManager: <info> Activation (wlan0) successful, device activated.
Dec 26 11:18:44 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete.
Dec 26 11:18:46 localhost kernel: process `skype' is using obsolete setsockopt SO_BSDCOMPAT
Dec 26 11:19:40 localhost pulseaudio[1419]: ratelimit.c: 1 events suppressed
Dec 26 11:22:15 localhost NetworkManager: <info> (wlan0): supplicant connection state: completed -> disconnected
Dec 26 11:22:15 localhost NetworkManager: <info> (wlan0): supplicant connection state: disconnected -> scanning
Dec 26 11:22:16 localhost NetworkManager: <info> (wlan0): supplicant connection state: scanning -> associating
Dec 26 11:22:16 localhost NetworkManager: <info> (wlan0): supplicant connection state: associating -> associated
Dec 26 11:22:16 localhost NetworkManager: <info> (wlan0): supplicant connection state: associated -> 4-way handshake
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Dec 26 11:30:55 localhost NetworkManager: <info> (wlan0): supplicant connection state: completed -> disconnected
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: disconnected -> scanning
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: scanning -> associating
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: associating -> associated
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: associated -> 4-way handshake
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: 4-way handshake -> group handshake
Dec 26 11:30:56 localhost NetworkManager: <info> (wlan0): supplicant connection state: group handshake -> completed
Dec 26 11:32:21 localhost NetworkManager: <info> (wlan0): supplicant connection state: completed -> disconnected
Dec 26 11:32:21 localhost NetworkManager: <info> (wlan0): supplicant connection state: disconnected -> scanning
Dec 26 11:32:21 localhost kernel: BUG: unable to handle kernel NULL pointer dereference at 00000001
Dec 26 11:32:21 localhost kernel: IP: [<c049b613>] put_page+0xe/0x76
Dec 26 11:32:21 localhost kernel: *pde = af988067
Dec 26 11:32:21 localhost kernel: Oops: 0000 [#1] SMP
Dec 26 11:32:21 localhost kernel: last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT1/charge_full
Dec 26 11:32:21 localhost kernel: Modules linked in: fuse sunrpc ipv6 cpufreq_ondemand powernow_k8 dm_multipath vboxnetadp vboxnetflt vboxdrv uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec arc4 snd_hwdep ecb snd_seq snd_seq_device ath9k mac80211 snd_pcm snd_timer snd ath i2c_piix4 soundcore snd_page_alloc cfg80211 joydev rfkill atl1c k8temp wmi video output radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
Dec 26 11:32:21 localhost kernel:
Dec 26 11:32:21 localhost kernel: Pid: 493, comm: phy0 Not tainted (2.6.31.9-174.fc12.i686 #1) Aspire 5532
Dec 26 11:32:21 localhost kernel: EIP: 0060:[<c049b613>] EFLAGS: 00010282 CPU: 0
Dec 26 11:32:21 localhost kernel: EIP is at put_page+0xe/0x76
Dec 26 11:32:21 localhost kernel: EAX: 00000001 EBX: ed5ae840 ECX: f6df4108 EDX: 00000000
Dec 26 11:32:21 localhost kernel: ESI: 00000001 EDI: ed5ae860 EBP: ef8cbe44 ESP: ef8cbe34
Dec 26 11:32:21 localhost kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Dec 26 11:32:21 localhost kernel: Process phy0 (pid: 493, ti=ef8ca000 task=ef80f2c0 task.ti=ef8ca000)
Dec 26 11:32:21 localhost kernel: Stack:
Dec 26 11:32:21 localhost kernel: f6c003ec ed5ae840 00000001 ed5ae860 ef8cbe54 c06da4f8 ed5ae840 f6df41a0
Dec 26 11:32:21 localhost kernel: <0> ef8cbe60 c06da140 ed5ae840 ef8cbe68 c06da1ca ef8cbe94 f8972c3a f6df5148
Dec 26 11:32:21 localhost kernel: <0> ef8cbea8 00000009 ed44acb4 ed5ae860 ed44acb8 f6df49f4 ed5ae840 ef8cbee4
Dec 26 11:32:21 localhost kernel: Call Trace:
Dec 26 11:32:21 localhost kernel: [<c06da4f8>] ? skb_release_data+0x56/0x96
Dec 26 11:32:21 localhost kernel: [<c06da140>] ? __kfree_skb+0x17/0x72
Dec 26 11:32:21 localhost kernel: [<c06da1ca>] ? consume_skb+0x2f/0x31
Dec 26 11:32:21 localhost kernel: [<f8972c3a>] ? ieee80211_tx_status+0x367/0x36f [mac80211]
Dec 26 11:32:21 localhost kernel: [<f7d3955d>] ? ath_tx_complete_buf+0x111/0x166 [ath9k]
Dec 26 11:32:21 localhost kernel: [<f7d3a432>] ? ath_draintxq+0x129/0x1b9 [ath9k]
Dec 26 11:32:21 localhost kernel: [<f7d3b014>] ? ath_drain_all_txq+0xd8/0xe6 [ath9k]
Dec 26 11:32:21 localhost kernel: [<f7d36de8>] ? ath_set_channel+0x4d/0xe3 [ath9k]
Dec 26 11:32:21 localhost kernel: [<f7d37034>] ? ath9k_config+0x1b6/0x1ed [ath9k]
Dec 26 11:32:21 localhost kernel: [<f897281c>] ? ieee80211_hw_config+0x91/0x99 [mac80211]
Dec 26 11:32:21 localhost kernel: [<f897644f>] ? ieee80211_scan_work+0xeb/0x178 [mac80211]
Dec 26 11:32:21 localhost kernel: [<c0446280>] ? worker_thread+0x13c/0x1bc
Dec 26 11:32:21 localhost kernel: [<f8976364>] ? ieee80211_scan_work+0x0/0x178 [mac80211]
Dec 26 11:32:21 localhost kernel: [<c0449bf9>] ? autoremove_wake_function+0x0/0x34
Dec 26 11:32:21 localhost kernel: [<c0446144>] ? worker_thread+0x0/0x1bc
Dec 26 11:32:21 localhost kernel: [<c044994f>] ? kthread+0x70/0x75
Dec 26 11:32:21 localhost kernel: [<c04498df>] ? kthread+0x0/0x75
Dec 26 11:32:21 localhost kernel: [<c04041c7>] ? kernel_thread_helper+0x7/0x10
Dec 26 11:32:21 localhost kernel: Code: 10 89 4c 90 08 42 83 fa 0e 89 10 75 05 e8 1b fe ff ff 89 d8 50 9d 66 66 66 90 5b 5d c3 55 89 e5 57 56 53 83 ec 04 0f 1f 44 00 00 <66> f7 00 00 c0 89 c3 74 07 e8 48 f9 ff ff eb 52 3e ff 48 04 0f
Dec 26 11:32:21 localhost kernel: EIP: [<c049b613>] put_page+0xe/0x76 SS:ESP 0068:ef8cbe34
Dec 26 11:32:21 localhost kernel: CR2: 0000000000000001
Dec 26 11:32:21 localhost kernel: ---[ end trace 28be4bd0f533232f ]---
Dec 26 11:32:36 localhost NetworkManager: <info> (wlan0): device state change: 8 -> 3 (reason 11)
Dec 26 11:32:36 localhost NetworkManager: <info> (wlan0): deactivating device (reason: 11).
Dec 26 11:32:36 localhost NetworkManager: <info> (wlan0): canceled DHCP transaction, dhcp client pid 1794
Dec 26 11:32:36 localhost NetworkManager: <WARN> check_one_route(): (wlan0) error -34 returned from rtnl_route_del(): Sucess#012
Dec 26 11:32:36 localhost avahi-daemon[845]: Withdrawing address record for 192.168.1.71 on wlan0.
##### end of extract from /var/log/messages

at this point wireless tries to reconnect all the time, machine loads becomes higher until I reboot.

Any help?

scottro · #2 26th December 2009, 11:34 PM

The best way that I've found to fix it so far is to use the compat-wireless drivers.

http://linuxwireless.org/en/users/Download

The kernel developers broke the driver around 2.6.30 or so and haven't fixed it yet. 2.6.32 kernel *sometimes* works better, but so far, it seems only the compat-wireless people have it working steadily.

whoaminot · #3 27th December 2009, 02:29 AM

I assume I need to blacklist ath9k.

scottro · #4 27th December 2009, 03:39 AM

Not if you use compat-wireless.
What happens is that it installs a better driver, replacing the one that you have, and modprobe looks for it first.

When you want to try the next kernel attempt at it, you just uninstall it.

FWIW, the latest Rawhide kernel does somewhat better, but still about half speed when compared to the compat-wireless drivers.

There are pretty complete instructions on their pages, though you have to dig around a little to find it.