Christian Schäfer wrote:
today I got the following kernel bug while wpa_supplicant tried to
connect to my AP. Kernel is a self-compiled 2.6.22 running under Ubuntu
Feisty.
The wireless device is a r8187 USB, the driver is patched for injection
capability taken from www.aircrack-ng.org.
Don't know if this bug is related to the driver or to the kernel, I'm no
expert.
Attached is the full dmesg and .config. Please CC to me, I'm not on the
list.
I was able to reproduce the bug without a tainted kernel (i.e. without
the nvidia binary module). Please let me know if you need more infos.
------------[ cut here ]------------
kernel BUG at include/linux/timer.h:153!
invalid opcode: 0000 [#1]
PREEMPT
Modules linked in: ieee80211_crypt_wep_rtl ieee80211_crypt_tkip_rtl
ieee80211_crypt_ccmp_rtl r8187 ieee80211_rtl ieee80211_crypt_rtl
speedstep_ich speedstep_lib dm_crypt dm_mod fuse firewire_sbp2 ehci_hcd
ohci_hcd pcmcia firmware_class usbhid firewire_ohci firewire_core
yenta_socket rsrc_nonstatic pcmcia_core crc_itu_t floppy uhci_hcd usbcore
CPU: 0
EIP: 0060:[<f8e45cf4>] Not tainted VLI
EFLAGS: 00010286 (2.6.22 #3)
EIP is at ieee80211_associate_step1_rtl7+0x257/0x28d [ieee80211_rtl]
eax: f74cfae8 ebx: c045c030 ecx: f74cfcf8 edx: ffffffff
esi: f74cf3a0 edi: e8fd2e80 ebp: 00000202 esp: f0d5ff68
ds: 007b es: 007b fs: 0000 gs: 0000 ss: 0068
Process Ieee80211/0 (pid: 2733, ti=f0d5e000 task=f176c0b0 task.ti=f0d5e000)
Stack: ffffffff e9ee0410 f74cfb88 f74cf3a0 f4c6fc40 f8e4600c f8e4606e
f74cfb8c
f74cfb88 c01276a6 00000000 00000000 0000001a c0456198 f4c6fc48
f4c6fc40
c0127c55 00000000 c0127cf2 00000000 f176c0b0 c012a784 f0d5ffc0
f0d5ffc0
Call Trace:
[<f8e4600c>] ieee80211_associate_procedure_wq_rtl7+0x0/0x78
[ieee80211_rtl]
[<f8e4606e>] ieee80211_associate_procedure_wq_rtl7+0x62/0x78
[ieee80211_rtl]
[<c01276a6>] run_workqueue+0x84/0x135
[<c0127c55>] worker_thread+0x0/0xfb
[<c0127cf2>] worker_thread+0x9d/0xfb
[<c012a784>] autoremove_wake_function+0x0/0x37
[<c0127c55>] worker_thread+0x0/0xfb
[<c012a4aa>] kthread+0x33/0x54
[<c012a477>] kthread+0x0/0x54
[<c010490f>] kernel_thread_helper+0x7/0x18
=======================
Code: 51 c7 e9 5b ff ff ff 66 c7 86 c4 05 00 00 00 00 e9 2b ff ff ff 89
fa 89 f0 e8 b8 c3 ff ff eb c5 66 c7 86 c4 05 00 00 00 00 eb 9d <0f> 0b
eb fe b9 fd 5c e4 f8 ba 1e 00
00 00 89 f8 e8 13 ca 4a c7
EIP: [<f8e45cf4>] ieee80211_associate_step1_rtl7+0x257/0x28d
[ieee80211_rtl] SS:ESP 0068:f0d5ff68
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