Public bug reported:
[ 232.420220] BUG: unable to handle kernel NULL pointer dereference at
0000000000000028
[ 232.420242] IP: [<ffffffffa0265a57>] rt2800pci_set_device_state+0xa7/0x4d0
[rt2800pci]
[ 232.420255] PGD 3f1a70067 PUD 40401d067 PMD 0
[ 232.420264] Oops: 0000 [#1] SMP
[ 232.420271] Modules linked in: rt2800pci(-) rt2800lib rt2x00pci rt2x00mmio
rt2x00lib mac80211 cfg80211 eeprom_93cx6 crc_ccitt(F) snd_hda_codec_hdmi
parport_pc(F) ppdev(F) joydev(F) hid_generic rfcomm x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel(F) kvm(F) crct10dif_pclmul(F)
crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F)
gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) bnep snd_hda_codec_realtek
arc4(F) microcode(F) psmouse(F) serio_raw(F) usbhid lpc_ich hid snd_hda_intel
btusb snd_hda_codec bluetooth nouveau snd_hwdep(F) snd_pcm(F) snd_seq_midi(F)
snd_seq_midi_event(F) mxm_wmi snd_page_alloc(F) snd_rawmidi(F) ttm snd_seq(F)
mei_me drm_kms_helper snd_seq_device(F) snd_timer(F) mei snd(F) drm
soundcore(F) i2c_algo_bit wmi mac_hid video(F) lp(F) parport(F) firewire_ohci
firewire_core crc_itu_t(F) ahci(F) libahci(F) e1000e(F) ptp(F) pps_core(F)
[last unloaded: cfg80211]
[ 232.420439] CPU: 3 PID: 1434 Comm: wpa_supplicant Tainted: GF
3.11.0-12-generic #19-Ubuntu
[ 232.420446] Hardware name: /DZ77GA-70K, BIOS
GAZ7711H.86A.0059.2012.1106.1053 11/06/2012
[ 232.420453] task: ffff8803ed8aaee0 ti: ffff8803f180c000 task.ti:
ffff8803f180c000
[ 232.420459] RIP: 0010:[<ffffffffa0265a57>] [<ffffffffa0265a57>]
rt2800pci_set_device_state+0xa7/0x4d0 [rt2800pci]
[ 232.420470] RSP: 0018:ffff8803f180dc58 EFLAGS: 00010282
[ 232.420475] RAX: 0000000000000000 RBX: ffff8803e37917a0 RCX: 0000000000000000
[ 232.420481] RDX: ffffc90009d00000 RSI: 0000000000000000 RDI: 0000000000000246
[ 232.420487] RBP: ffff8803f180dc70 R08: 000000000000000a R09: 0000000000001007
[ 232.420493] R10: 0000000000000000 R11: ffff8803f180d826 R12: 0000000000000004
[ 232.420498] R13: ffff88040350e000 R14: 0000000000000001 R15: 0000000000000000
[ 232.420505] FS: 00007f32c3a01740(0000) GS:ffff88041ecc0000(0000)
knlGS:0000000000000000
[ 232.420511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 232.420516] CR2: 0000000000000028 CR3: 00000003f4726000 CR4: 00000000001407e0
[ 232.420522] Stack:
[ 232.420526] ffff8803e37917a0 ffff88040350e810 ffff88040350e000
ffff8803f180dc88
[ 232.420537] ffffffffa01c0f58 ffff8803e37917a0 ffff8803f180dca8
ffffffffa01c1a2a
[ 232.420549] 00000000ed081249 ffff8803e3790600 ffff8803f180dcb8
ffffffffa01c1fe9
[ 232.420560] Call Trace:
[ 232.420569] [<ffffffffa01c0f58>] rt2x00lib_enable_radio+0x38/0xc0
[rt2x00lib]
[ 232.420578] [<ffffffffa01c1a2a>] rt2x00lib_start+0x6a/0xc0 [rt2x00lib]
[ 232.420589] [<ffffffffa01c1fe9>] rt2x00mac_start+0x29/0x30 [rt2x00lib]
[ 232.420608] [<ffffffffa06a7eb1>] ieee80211_do_open+0x2f1/0xd80 [mac80211]
[ 232.420619] [<ffffffff816f0a7c>] ? notifier_call_chain+0x4c/0x70
[ 232.420636] [<ffffffffa06a89a9>] ieee80211_open+0x69/0x70 [mac80211]
[ 232.420644] [<ffffffff815f12df>] __dev_open+0xbf/0x140
[ 232.420651] [<ffffffff815f15a2>] __dev_change_flags+0x92/0x170
[ 232.420658] [<ffffffff815f172d>] dev_change_flags+0x1d/0x60
[ 232.420667] [<ffffffff81658fd3>] devinet_ioctl+0x693/0x790
[ 232.420675] [<ffffffff81659dad>] inet_ioctl+0x6d/0xa0
[ 232.420682] [<ffffffff815d4ea5>] sock_do_ioctl+0x25/0x50
[ 232.420689] [<ffffffff815d54e0>] sock_ioctl+0x1f0/0x2c0
[ 232.420697] [<ffffffff811b8ba5>] do_vfs_ioctl+0x2e5/0x4d0
[ 232.420705] [<ffffffff811a6b3e>] ? vfs_read+0x9e/0x170
[ 232.420712] [<ffffffff811b8e11>] SyS_ioctl+0x81/0xa0
[ 232.420719] [<ffffffff811a7669>] ? SyS_read+0x49/0xa0
[ 232.420726] [<ffffffff816f521d>] system_call_fastpath+0x1a/0x1f
[ 232.420735] Code: 5b 41 5c 44 89 e8 41 5d 5d c3 66 2e 0f 1f 84 00 00 00 00
00 e8 6b ff 21 00 48 8b 83 20 09 00 00 48 8b 93 28 05 00 00 48 8b 40 08 <48> 8b
40 28 48 8b 40 08 89 82 30 02 00 00 48 8b 83 20 09 00 00
[ 232.420836] RIP [<ffffffffa0265a57>] rt2800pci_set_device_state+0xa7/0x4d0
[rt2800pci]
[ 232.420846] RSP <ffff8803f180dc58>
[ 232.420850] CR2: 0000000000000028
[ 232.422454] ---[ end trace 9ec06440e58d38e4 ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1241726
Title:
[RT3090] modprobe -r rt2800pci crash in kernel
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