hello there,
i got the oops below with a rtl8192cu:0bda:8178 and kernel 4.13.6, but
cannot reproduce it.
i use this device since 4.3 or so without noticing any issue.
nirinA
[ 239.338040] usb 2-1.3: new high-speed USB device number 4 using ehci-pci
[ 239.417728] usb 2-1.3: New USB device found, idVendor=0bda,
idProduct=8178
[ 239.417730] usb 2-1.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 239.417731] usb 2-1.3: Product: 802.11n WLAN Adapter
[ 239.417732] usb 2-1.3: Manufacturer: Realtek
[ 239.417733] usb 2-1.3: SerialNumber: 00e04c000001
[ 239.578100] rtl8192cu: Chip version 0x11
[ 239.678225] usb 2-1-port3: disabled by hub (EMI?), re-enabling...
[ 239.678230] usb 2-1.3: USB disconnect, device number 4
[ 239.679128] rtl_usb: reg 0x30, usbctrl_vendorreq TimeOut!
status:0xffffffed value=0x0
[ 239.679131] rtl_usb: reg 0x32, usbctrl_vendorreq TimeOut!
status:0xffffffed value=0x20
[ 239.679133] rtl_usb: reg 0x33, usbctrl_vendorreq TimeOut!
status:0xffffffed value=0x80
[ 239.679134] rtl_usb: reg 0x30, usbctrl_vendorreq TimeOut!
status:0xffffffed value=0x80206f30
[ 239.700640] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1
[ 239.700648] BUG: unable to handle kernel NULL pointer dereference
at (null)
[ 239.700682] IP: rtl_deinit_core+0x2e/0x90 [rtlwifi]
[ 239.700693] PGD 1c5d5d067
[ 239.700694] P4D 1c5d5d067
[ 239.700701] PUD 1c5d9b067
[ 239.700708] PMD 0
[ 239.700727] Oops: 0000 [#1] SMP
[ 239.700735] Modules linked in: rtl8192cu(+) rtl_usb rtl8192c_common
rtlwifi mac80211 cfg80211 rfkill appletalk ipx p8023 p8022 psnap llc
nct6775 hwmon_vid ipv6 hid_generic usbhid hid coretemp hwmon
x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic kvm_intel i915 kvm
drm_kms_helper evdev i2c_dev irqbypass syscopyarea sysfillrect sysimgblt
r8169 crc32_pclmul serio_raw crc32c_intel mii snd_pcsp fb_sys_fops drm
fan thermal button battery 8250 8250_base serial_core mei_me
snd_hda_intel mei intel_gtt snd_hda_codec video agpgart ehci_pci
ehci_hcd lpc_ich snd_hwdep snd_hda_core snd_pcm i2c_algo_bit snd_timer
i2c_i801 i2c_core snd soundcore fuse
[ 239.700875] CPU: 0 PID: 1174 Comm: udevd Not tainted 4.13.6.20171012 #1
[ 239.700889] Hardware name: To be filled by O.E.M. To be filled by
O.E.M./ONDA H61V Ver:4.01, BIOS 4.6.5 01/07/2013
[ 239.700909] task: ffff8801c5fbc980 task.stack: ffffc900009a0000
[ 239.700924] RIP: 0010:rtl_deinit_core+0x2e/0x90 [rtlwifi]
[ 239.700936] RSP: 0000:ffffc900009a3b40 EFLAGS: 00010207
[ 239.700947] RAX: 0000000000000282 RBX: ffff8801b9440780 RCX:
00000000ffffffea
[ 239.700962] RDX: 0000000000000001 RSI: 0000000000000282 RDI:
0000000000000000
[ 239.700977] RBP: ffff8801b944b070 R08: 0000000000000001 R09:
00000000000002b0
[ 239.700991] R10: ffffea0008473480 R11: 0000000000000000 R12:
ffff8801b9441560
[ 239.701006] R13: ffff8801b944b880 R14: 0000000000000000 R15:
ffff8801b9441560
[ 239.701021] FS: 00007f3eb636e7c0(0000) GS:ffff88021f200000(0000)
knlGS:0000000000000000
[ 239.701037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 239.701050] CR2: 0000000000000000 CR3: 00000001c5d99000 CR4:
00000000001406f0
[ 239.701064] Call Trace:
[ 239.701074] ? rtl_usb_probe+0x6b6/0xc50 [rtl_usb]
[ 239.701088] ? usb_probe_interface+0xe2/0x2a0
[ 239.701100] ? driver_probe_device+0x21d/0x2d0
[ 239.701111] ? __driver_attach+0x8a/0x90
[ 239.701121] ? driver_probe_device+0x2d0/0x2d0
[ 239.701133] ? bus_for_each_dev+0x5c/0x90
[ 239.701143] ? bus_add_driver+0x196/0x220
[ 239.701154] ? driver_register+0x57/0xc0
[ 239.701165] ? usb_register_driver+0x7c/0x140
[ 239.701175] ? 0xffffffffa064e000
[ 239.701185] ? do_one_initcall+0x4b/0x190
[ 239.701197] ? kmem_cache_alloc_trace+0xe4/0x1c0
[ 239.701208] ? do_init_module+0x22/0x1e1
[ 239.701219] ? do_init_module+0x5b/0x1e1
[ 239.701229] ? load_module+0x21ff/0x2760
[ 239.701239] ? SYSC_finit_module+0x90/0xb0
[ 239.701249] ? SYSC_finit_module+0x90/0xb0
[ 239.701261] ? entry_SYSCALL_64_fastpath+0x1a/0xa5
[ 239.701272] Code: 00 00 41 57 31 f6 41 56 41 55 41 54 55 53 48 89 fb
e8 e7 fe ff ff 4c 8b 7b 48 49 8b bf 10 9b 00 00 49 8d af 10 9b 00 00 48
39 ef <48> 8b 1f 74 44 49 bd 00 01 00 00 00 00 ad de 49 89 de 49 bc 00
[ 239.701327] RIP: rtl_deinit_core+0x2e/0x90 [rtlwifi] RSP:
ffffc900009a3b40
[ 239.702028] CR2: 0000000000000000
[ 239.705370] ---[ end trace 6ec9029c0d9c0e13 ]---
[ 239.706311] udevd[528]: worker [1174] failed while handling
'/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0'
