No Wi-Fi / Wifi / WLAN on different MacBook Pros (different Atheros Wi-Fi chips)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
linux-source-2.6.22 (Ubuntu) |
Won't Fix
|
Medium
|
Unassigned |
Bug Description
On a Macbook Pro, frequent wireless problems occurs. The problem is triggered after having set the parameters to access a WPA2 PSK network . It can be complete system freeze or the following module crash:
[ 369.184000] <NULL>: ieee80211_
[ 369.216000] ADDRCONF(
[ 374.288000] sky2 eth0: Link is down.
[ 440.588000] ADDRCONF(
[ 451.408000] ath0: no IPv6 routers present
[ 490.724000] BUG: unable to handle kernel NULL pointer dereference at virtual address 000000bb
[ 490.724000] printing eip:
[ 490.724000] f8a55701
[ 490.724000] *pde = 00000000
[ 490.724000] Oops: 0000 [#1]
[ 490.724000] SMP
[ 490.724000] Modules linked in: aes wlan_ccmp ipv6 fglrx(P) coretemp eeprom i2c_i801 i2c_core uinput ppdev video ac container dock sbs button battery acpi_cpufreq cpufreq_userspace cpufreq_
[ 490.724000] CPU: 1
[ 490.724000] EIP: 0060:[<f8a55701>] Tainted: P VLI
[ 490.724000] EFLAGS: 00010286 (2.6.22-14-generic #1)
[ 490.724000] EIP is at ath_tx_
[ 490.724000] eax: 00000000 ebx: dff53964 ecx: f48a26c0 edx: f48a2e40
[ 490.724000] esi: f488b000 edi: f7ec8834 ebp: dff539a4 esp: f5ec9dc4
[ 490.724000] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
[ 490.724000] Process ifconfig (pid: 7104, ti=f5ec8000 task=f635cf90 task.ti=f5ec8000)
[ 490.724000] Stack: f5ec9e34 00000082 00000002 00000008 c1ce8000 f8a8bcbd c1ce8000 00000008
[ 490.724000] dff539b4 dff52500 c1ce8000 dff539d8 00000002 c1ce8000 dff52500 f8a5589b
[ 490.724000] c1ce8000 00000008 f4872c40 0000ba3e 00004d66 dff53b78 c1ce8000 0000000a
[ 490.724000] Call Trace:
[ 490.724000] [<f8a8bcbd>] zz002dca0b+
[ 490.724000] [<f8a5589b>] ath_draintxq+
[ 490.724000] [<f8a55dfe>] ath_stop_
[ 490.724000] [<f8a875aa>] zz016e1251+
[ 490.724000] [<f8a560e1>] ath_stop+0x81/0xb0 [ath_pci]
[ 490.724000] [<c0284b24>] dev_close+0x54/0x70
[ 490.724000] [<f8a30ac2>] ieee80211_
[ 490.724000] [<c0284b24>] dev_close+0x54/0x70
[ 490.724000] [<c0283d49>] dev_change_
[ 490.724000] [<c02cd5ae>] devinet_
[ 490.724000] [<c028529b>] dev_ifsioc+
[ 490.724000] [<c01fefa0>] copy_to_
[ 490.724000] [<c02784cf>] sock_ioctl+
[ 490.724000] [<c0278410>] sock_ioctl+
[ 490.724000] [<c018ca1b>] do_ioctl+0x2b/0xc0
[ 490.724000] [<c02f5d99>] do_page_
[ 490.724000] [<c02799c9>] sys_socket+
[ 490.724000] [<c018cb0c>] vfs_ioctl+
[ 490.724000] [<c018cdb2>] sys_ioctl+0x72/0x90
[ 490.724000] [<c01041d2>] sysenter_
[ 490.724000] [<c02f0000>] clip_ioctl+
[ 490.724000] =======
[ 490.724000] Code: e8 75 e2 82 c7 c7 47 3c 00 00 00 00 85 f6 74 0f 8b 1e 89 f0 e8 61 e2 82 c7 85 db 89 de 75 f1 8b 77 44 85 f6 74 28 8b 77 44 8b 06 <f6> 80 bb 00 00 00 01 0f 85 af 00 00 00 f0 ff 4e 1c 0f 94 c0 84
[ 490.724000] EIP: [<f8a55701>] ath_tx_
Output from lspci -v :
03:00.0 Ethernet controller: Atheros Communications, Inc. AR5006EG 802.11 b/g Wireless PCI Express Adapter (rev 01)
Subsystem: Apple Computer Inc. Unknown device 0086
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 90100000 (64-bit, non-prefetchable) [size=64K]
Thank you for taking the time to report this bug and helping to make Ubuntu better. With which version of Ubuntu and the kernel did you notice this issue? Thanks in advance.