Public bug reported:
Binary package hint: linux-ubuntu-modules-2.6.24-16-generic
I had a custom script calling "iwconfig eth1 power on" but this command seems
now to be causing a kernel oops (on hardy) :
Apr 21 08:08:24 xav2 kernel: [ 38.490989] BUG: unable to handle kernel NULL
pointer dereference at virtual address 00000000
Apr 21 08:08:24 xav2 kernel: [ 38.490998] printing eip: f8c416ba *pde =
00000000
Apr 21 08:08:24 xav2 kernel: [ 38.491005] Oops: 0000 [#1] SMP
Apr 21 08:08:24 xav2 kernel: [ 38.491010] Modules linked in: pcmcia joydev
arc4 ecb blkcipher snd_hda_intel snd_hwdep snd_pcm_oss snd_pcm snd_page_alloc
iwl3945 snd_mixer_oss iwlwifi_mac80211 cfg80211 led_class snd_seq_dummy
snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event yenta_socket
rsrc_nonstatic video output snd_seq pcmcia_core serio_raw button wmi_acer
battery snd_timer ac snd_seq_device intel_agp dcdbas evdev agpgart snd iTCO_wdt
iTCO_vendor_support shpchp pci_hotplug soundcore pcspkr psmouse ext3 jbd
mbcache sg sr_mod cdrom sd_mod ata_piix pata_acpi ohci1394 ieee1394 ata_generic
libata scsi_mod ehci_hcd uhci_hcd tg3 usbcore raid10 raid456 async_xor
async_memcpy async_tx xor raid1 raid0 multipath linear md_mod dm_mirror
dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor
fuse
Apr 21 08:08:24 xav2 kernel: [ 38.491106]
Apr 21 08:08:24 xav2 kernel: [ 38.491110] Pid: 4402, comm: iwconfig Not
tainted (2.6.24-16-generic #1)
Apr 21 08:08:24 xav2 kernel: [ 38.491115] EIP: 0060:[<f8c416ba>] EFLAGS:
00010246 CPU: 0
Apr 21 08:08:24 xav2 kernel: [ 38.491140] EIP is at
ieee80211_hw_config+0x1a/0x80 [iwlwifi_mac80211]
Apr 21 08:08:24 xav2 kernel: [ 38.491144] EAX: f74a0180 EBX: 00000000 ECX:
f74a0180 EDX: 00000000
Apr 21 08:08:24 xav2 kernel: [ 38.491148] ESI: 00000000 EDI: 00008b2c EBP:
c03362d0 ESP: df8d7e48
Apr 21 08:08:24 xav2 kernel: [ 38.491152] DS: 007b ES: 007b FS: 00d8 GS:
0033 SS: 0068
Apr 21 08:08:24 xav2 kernel: [ 38.491157] Process iwconfig (pid: 4402,
ti=df8d6000 task=f7f1e5a0 task.ti=df8d6000)
Apr 21 08:08:24 xav2 kernel: [ 38.491160] Stack: ffffffa1 df8d7f44 f8c4c557
c03143d4 00000000 f7453000 f7805e94 f7805e98
Apr 21 08:08:24 xav2 kernel: [ 38.491171] c016917f 000000ce 0000014e
c0472400 f7805df0 0000014e c016b6c6 c0316518
Apr 21 08:08:24 xav2 kernel: [ 38.491182] f7453000 df8d7f34 c02a3224
c04e8c20 df8d7f34 f7453000 df8d7f34 00008b2c
Apr 21 08:08:24 xav2 kernel: [ 38.491192] Call Trace:
Apr 21 08:08:24 xav2 kernel: [ 38.491204] [<f8c4c557>]
ieee80211_ioctl_siwpower+0x67/0x70 [iwlwifi_mac80211]
Apr 21 08:08:24 xav2 kernel: [ 38.491230] [ioctl_standard_call+0x64/0x370]
ioctl_standard_call+0x64/0x370
Apr 21 08:08:24 xav2 kernel: [ 38.491250] [find_lock_page+0x2f/0xb0]
find_lock_page+0x2f/0xb0
Apr 21 08:08:24 xav2 kernel: [ 38.491263] [filemap_fault+0x216/0x420]
filemap_fault+0x216/0x420
Apr 21 08:08:24 xav2 kernel: [ 38.491269] [snd_pcm:mutex_lock+0x8/0x290]
mutex_lock+0x8/0x20
Apr 21 08:08:24 xav2 kernel: [ 38.491279] [__dev_get_by_name+0x74/0x90]
__dev_get_by_name+0x74/0x90
Apr 21 08:08:24 xav2 kernel: [ 38.491295] [wext_handle_ioctl+0x3ac/0x440]
wext_handle_ioctl+0x3ac/0x440
Apr 21 08:08:24 xav2 kernel: [ 38.491301] [<f8c4c4f0>]
ieee80211_ioctl_siwpower+0x0/0x70 [iwlwifi_mac80211]
Apr 21 08:08:24 xav2 kernel: [ 38.491332] [<f8c4c4f0>]
ieee80211_ioctl_siwpower+0x0/0x70 [iwlwifi_mac80211]
Apr 21 08:08:24 xav2 kernel: [ 38.491367] [dev_ioctl+0x4c1/0x500]
dev_ioctl+0x4c1/0x500
Apr 21 08:08:24 xav2 kernel: [ 38.491380] [handle_mm_fault+0x118/0x730]
handle_mm_fault+0x118/0x730
Apr 21 08:08:24 xav2 kernel: [ 38.491393] [sock_attach_fd+0x80/0xc0]
sock_attach_fd+0x80/0xc0
Apr 21 08:08:24 xav2 kernel: [ 38.491410] [sock_ioctl+0x0/0x220]
sock_ioctl+0x0/0x220
Apr 21 08:08:24 xav2 kernel: [ 38.491420] [do_ioctl+0x2b/0x90]
do_ioctl+0x2b/0x90
Apr 21 08:08:24 xav2 kernel: [ 38.491430] [vfs_ioctl+0x22e/0x2b0]
vfs_ioctl+0x22e/0x2b0
Apr 21 08:08:24 xav2 kernel: [ 38.491440] [sys_ioctl+0x56/0x70]
sys_ioctl+0x56/0x70
Apr 21 08:08:24 xav2 kernel: [ 38.491449] [sysenter_past_esp+0x6b/0xa9]
sysenter_past_esp+0x6b/0xa9
Apr 21 08:08:24 xav2 kernel: [ 38.491463] [vcc_getsockopt+0x150/0x170]
vcc_getsockopt+0x150/0x170
Apr 21 08:08:24 xav2 kernel: [ 38.491478] =======================
Apr 21 08:08:24 xav2 kernel: [ 38.491480] Code: c4 20 c3 8d b4 26 00 00 00 00
8d bc 27 00 00 00 00 56 89 c1 53 8b 98 4c 0b 00 00 85 db 74 62 8b 90 a8 0b 00
00 8b b0 b0 0b 00 00 <0f> bf 02 89 41 04 8b 42 04 89 41 0c 0f b6 81 d8 0b 00 00
0f b6
Apr 21 08:08:24 xav2 kernel: [ 38.491537] EIP: [<f8c416ba>]
ieee80211_hw_config+0x1a/0x80 [iwlwifi_mac80211] SS:ESP 0068:df8d7e48
Apr 21 08:08:24 xav2 kernel: [ 38.491563] ---[ end trace f2a7e3b748b57aea ]---
** Affects: linux-ubuntu-modules-2.6.24 (Ubuntu)
Importance: Undecided
Status: New
--
kernel oops with iwconfig power on
https://bugs.launchpad.net/bugs/220155
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