[1.] One line summary of the problem:
ch341 module fails on 4.1.1 kernel
[2.] Full description of the problem/report:
It's not possible to work with Arduino board after installing 4.1.1.
ch341 fails and does not create /dev/ttyUSB0 (or /dev/ttyACM0) entry.
On 3.18 and 4.0.0 all was ok.
[3.] Keywords: usb, serial, modules
[4.] Kernel version (from /proc/version):
Linux version 4.1.1-040101-generic (kernel@gomeisa) (gcc version 4.6.3
(Ubuntu/Linaro 4.6.3-1ubuntu5))
[5.] dmesg output:
[74788.109282] usb 1-3: new full-speed USB device number 65 using xhci_hcd
[74788.239496] usb 1-3: New USB device found, idVendor=1a86, idProduct=7523
[74788.239504] usb 1-3: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[74788.240147] ch341 1-3:1.0: ch341-uart converter detected
[74788.240625] ch341-uart: probe of ttyUSB0 failed with error -71
[79166.063535] usb 1-3: USB disconnect, device number 65
[79166.063746] ch341 1-3:1.0: device disconnected
[6.] lsusb output:
Bus 001 Device 067: ID 1a86:7523 QinHeng Electronics HL-340 USB-Serial adapter
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 255 Vendor Specific Class
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x1a86 QinHeng Electronics
idProduct 0x7523 HL-340 USB-Serial adapter
bcdDevice 2.54
iManufacturer 0
iProduct 2
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 39
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 96mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 1
bInterfaceProtocol 2
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 1
[7.] Environment
[7.1.] Software
Linux mech 4.1.1-040101-generic x86_64 x86_64 x86_64 GNU/Linux
Gnu C 4.8
Gnu make 3.81
binutils 2.24
util-linux 2.20.1
mount support
module-init-tools 15
e2fsprogs 1.42.9
jfsutils 1.1.15
reiserfsprogs 3.6.24
xfsprogs 3.1.9
pcmciautils 018
PPP 2.4.5
Linux C Library 2.19
Dynamic linker (ldd) 2.19
Procps 3.3.9
Net-tools 1.60
Kbd 1.15.5
Sh-utils 8.21
wireless-tools 30
Modules Loaded ctr ccm bbswitch arc4 cmac asus_nb_wmi asus_wmi
mxm_wmi sparse_keymap intel_rapl iosf_mbi x86_pkg_temp_thermal
intel_powerclamp coretemp kvm_intel kvm dm_multipath scsi_dh
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel iwlmvm aesni_intel
mac80211 aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd
uvcvideo iwlwifi videobuf2_vmalloc videobuf2_memops joydev
videobuf2_core v4l2_common serio_raw cfg80211 videodev hid_multitouch
media snd_hda_codec_hdmi btusb lpc_ich btbcm btintel shpchp rfcomm
bnep snd_hda_codec_conexant snd_hda_codec_generic bluetooth
snd_soc_rt5640 snd_hda_intel snd_soc_rl6231 snd_soc_core
snd_hda_controller snd_hda_codec snd_hda_core snd_compress snd_hwdep
snd_pcm_dmaengine snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi
wmi i2c_hid snd_soc_sst_acpi dw_dmac dw_dmac_core
i2c_designware_platform 8250_dw i2c_designware_core snd_seq
int3402_thermal spi_pxa2xx_platform snd_seq_device snd_timer mei_me
int3400_thermal mei intel_smartconnect snd acpi_thermal_rel soundcore
binfmt_misc processor_thermal_device mac_hid int340x_thermal_zone
nls_iso8859_1 parport_pc ppdev lp parport dm_mirror dm_region_hash
dm_log hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper psmouse
drm ahci libahci video sdhci_acpi sdhci
[7.3.] Module information:
ch341 16384 0 - Live 0x0000000000000000
usbserial 49152 1 ch341, Live 0x0000000000000000
iwlmvm 307200 0 - Live 0x0000000000000000
iwlwifi 217088 1 iwlmvm, Live 0x0000000000000000
mac80211 786432 1 iwlmvm, Live 0x0000000000000000
cfg80211 589824 3 iwlmvm,iwlwifi,mac80211, Live 0x0000000000000000
ctr 16384 2 - Live 0x0000000000000000
ccm 20480 2 - Live 0x0000000000000000
bbswitch 16384 0 - Live 0x0000000000000000 (OE)
arc4 16384 2 - Live 0x0000000000000000
cmac 16384 0 - Live 0x0000000000000000
asus_nb_wmi 24576 0 - Live 0x0000000000000000
asus_wmi 28672 1 asus_nb_wmi, Live 0x0000000000000000
mxm_wmi 16384 0 - Live 0x0000000000000000
sparse_keymap 16384 1 asus_wmi, Live 0x0000000000000000
intel_rapl 20480 0 - Live 0x0000000000000000
iosf_mbi 16384 1 intel_rapl, Live 0x0000000000000000
x86_pkg_temp_thermal 16384 0 - Live 0x0000000000000000
intel_powerclamp 16384 0 - Live 0x0000000000000000
coretemp 16384 0 - Live 0x0000000000000000
kvm_intel 159744 0 - Live 0x0000000000000000
kvm 507904 1 kvm_intel, Live 0x0000000000000000
dm_multipath 24576 0 - Live 0x0000000000000000
scsi_dh 16384 1 dm_multipath, Live 0x0000000000000000
crct10dif_pclmul 16384 0 - Live 0x0000000000000000
crc32_pclmul 16384 0 - Live 0x0000000000000000
ghash_clmulni_intel 16384 0 - Live 0x0000000000000000
aesni_intel 172032 4591 - Live 0x0000000000000000
aes_x86_64 20480 1 aesni_intel, Live 0x0000000000000000
lrw 16384 1 aesni_intel, Live 0x0000000000000000
gf128mul 16384 1 lrw, Live 0x0000000000000000
glue_helper 16384 1 aesni_intel, Live 0x0000000000000000
ablk_helper 16384 1 aesni_intel, Live 0x0000000000000000
cryptd 24576 2296 ghash_clmulni_intel,aesni_intel,ablk_helper, Live
0x0000000000000000
uvcvideo 94208 0 - Live 0x0000000000000000
videobuf2_vmalloc 16384 1 uvcvideo, Live 0x0000000000000000
videobuf2_memops 16384 1 videobuf2_vmalloc, Live 0x0000000000000000
joydev 20480 0 - Live 0x0000000000000000
videobuf2_core 53248 1 uvcvideo, Live 0x0000000000000000
v4l2_common 16384 1 videobuf2_core, Live 0x0000000000000000
serio_raw 16384 0 - Live 0x0000000000000000
videodev 172032 3 uvcvideo,videobuf2_core,v4l2_common, Live 0x0000000000000000
hid_multitouch 20480 0 - Live 0x0000000000000000
media 24576 2 uvcvideo,videodev, Live 0x0000000000000000
snd_hda_codec_hdmi 53248 1 - Live 0x0000000000000000
btusb 49152 0 - Live 0x0000000000000000
lpc_ich 24576 0 - Live 0x0000000000000000
btbcm 16384 1 btusb, Live 0x0000000000000000
btintel 16384 1 btusb, Live 0x0000000000000000
shpchp 40960 0 - Live 0x0000000000000000
rfcomm 77824 8 - Live 0x0000000000000000
bnep 24576 2 - Live 0x0000000000000000
snd_hda_codec_conexant 24576 1 - Live 0x0000000000000000
snd_hda_codec_generic 77824 1 snd_hda_codec_conexant, Live 0x0000000000000000
bluetooth 540672 24 btusb,btbcm,btintel,rfcomm,bnep, Live 0x0000000000000000
snd_soc_rt5640 94208 0 - Live 0x0000000000000000
snd_hda_intel 32768 5 - Live 0x0000000000000000
snd_soc_rl6231 16384 1 snd_soc_rt5640, Live 0x0000000000000000
snd_soc_core 204800 1 snd_soc_rt5640, Live 0x0000000000000000
snd_hda_controller 36864 1 snd_hda_intel, Live 0x0000000000000000
snd_hda_codec 122880 5
snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller,
Live 0x0000000000000000
snd_hda_core 36864 5
snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_codec_generic,snd_hda_controller,snd_hda_codec,
Live 0x0000000000000000
snd_compress 20480 1 snd_soc_core, Live 0x0000000000000000
snd_hwdep 16384 1 snd_hda_codec, Live 0x0000000000000000
snd_pcm_dmaengine 16384 1 snd_soc_core, Live 0x0000000000000000
snd_pcm 110592 7
snd_hda_codec_hdmi,snd_soc_rt5640,snd_hda_intel,snd_soc_core,snd_hda_controller,snd_hda_codec,snd_pcm_dmaengine,
Live 0x0000000000000000
snd_seq_midi 16384 0 - Live 0x0000000000000000
snd_seq_midi_event 16384 1 snd_seq_midi, Live 0x0000000000000000
snd_rawmidi 32768 1 snd_seq_midi, Live 0x0000000000000000
wmi 20480 2 asus_wmi,mxm_wmi, Live 0x0000000000000000
i2c_hid 20480 0 - Live 0x0000000000000000
snd_soc_sst_acpi 16384 0 - Live 0x0000000000000000
dw_dmac 16384 0 - Live 0x0000000000000000
dw_dmac_core 32768 1 dw_dmac, Live 0x0000000000000000
i2c_designware_platform 16384 0 - Live 0x0000000000000000
8250_dw 16384 0 - Live 0x0000000000000000
i2c_designware_core 16384 1 i2c_designware_platform, Live 0x0000000000000000
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event, Live 0x0000000000000000
int3402_thermal 16384 0 - Live 0x0000000000000000
spi_pxa2xx_platform 24576 0 - Live 0x0000000000000000
snd_seq_device 16384 3 snd_seq_midi,snd_rawmidi,snd_seq, Live 0x0000000000000000
snd_timer 32768 2 snd_pcm,snd_seq, Live 0x0000000000000000
mei_me 24576 0 - Live 0x0000000000000000
int3400_thermal 16384 0 - Live 0x0000000000000000
mei 94208 1 mei_me, Live 0x0000000000000000
intel_smartconnect 16384 0 - Live 0x0000000000000000
snd 86016 23 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_codec_generic,snd_hda_intel,snd_soc_core,snd_hda_codec,snd_compress,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_seq_device,snd_timer,
Live 0x0000000000000000
acpi_thermal_rel 16384 1 int3400_thermal, Live 0x0000000000000000
soundcore 16384 1 snd, Live 0x0000000000000000
binfmt_misc 20480 1 - Live 0x0000000000000000
processor_thermal_device 16384 0 - Live 0x0000000000000000
mac_hid 16384 0 - Live 0x0000000000000000
int340x_thermal_zone 16384 2 int3402_thermal,processor_thermal_device,
Live 0x0000000000000000
nls_iso8859_1 16384 1 - Live 0x0000000000000000
parport_pc 36864 0 - Live 0x0000000000000000
ppdev 20480 0 - Live 0x0000000000000000
lp 20480 0 - Live 0x0000000000000000
parport 45056 3 parport_pc,ppdev,lp, Live 0x0000000000000000
dm_mirror 24576 0 - Live 0x0000000000000000
dm_region_hash 24576 1 dm_mirror, Live 0x0000000000000000
dm_log 20480 2 dm_mirror,dm_region_hash, Live 0x0000000000000000
hid_generic 16384 0 - Live 0x0000000000000000
usbhid 53248 0 - Live 0x0000000000000000
hid 122880 4 hid_multitouch,i2c_hid,hid_generic,usbhid, Live 0x0000000000000000
i915 1146880 5 - Live 0x0000000000000000
i2c_algo_bit 16384 1 i915, Live 0x0000000000000000
drm_kms_helper 126976 1 i915, Live 0x0000000000000000
psmouse 135168 0 - Live 0x0000000000000000
drm 352256 6 i915,drm_kms_helper, Live 0x0000000000000000
ahci 36864 3 - Live 0x0000000000000000
libahci 32768 1 ahci, Live 0x0000000000000000
video 28672 2 asus_wmi,i915, Live 0x0000000000000000
sdhci_acpi 16384 0 - Live 0x0000000000000000
sdhci 45056 1 sdhci_acpi, Live 0x0000000000000000
[7.4.] Loaded driver and hardware information
/proc/ioports
0000-0cf7 : PCI Bus 0000:00
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0062-0062 : PNP0C09:00
0062-0062 : EC data
0064-0064 : keyboard
0066-0066 : PNP0C09:00
0066-0066 : EC cmd
0070-0077 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0240-0259 : pnp 00:05
04d0-04d1 : pnp 00:04
0680-069f : pnp 00:01
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
164e-164f : pnp 00:01
1800-1803 : ACPI PM1a_EVT_BLK
1804-1805 : ACPI PM1a_CNT_BLK
1808-180b : ACPI PM_TMR
1810-1815 : ACPI CPU throttle
1830-1833 : iTCO_wdt
1850-1850 : ACPI PM2_CNT_BLK
1854-1857 : pnp 00:03
1860-187f : iTCO_wdt
1880-189f : ACPI GPE0_BLK
1c00-1cfe : pnp 00:01
1d00-1dfe : pnp 00:01
1e00-1efe : pnp 00:01
1f00-1ffe : pnp 00:01
2000-2fff : PCI Bus 0000:01
3000-3fff : PCI Bus 0000:02
e000-efff : PCI Bus 0000:03
e000-e07f : 0000:03:00.0
f000-f03f : 0000:00:02.0
f040-f05f : 0000:00:1f.3
f060-f07f : 0000:00:1f.2
f060-f07f : ahci
f080-f083 : 0000:00:1f.2
f080-f083 : ahci
f090-f097 : 0000:00:1f.2
f090-f097 : ahci
f0a0-f0a3 : 0000:00:1f.2
f0a0-f0a3 : ahci
f0b0-f0b7 : 0000:00:1f.2
f0b0-f0b7 : ahci
ffff-ffff : pnp 00:01
ffff-ffff : pnp 00:01
ffff-ffff : pnp 00:01
/proc/iomem
00000000-00000fff : reserved
00001000-00057fff : System RAM
00058000-00058fff : reserved
00059000-0009dfff : System RAM
0009e000-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000c3fff : PCI Bus 0000:00
000c4000-000c7fff : PCI Bus 0000:00
000c8000-000cbfff : PCI Bus 0000:00
000cc000-000cffff : PCI Bus 0000:00
000d0000-000d3fff : PCI Bus 0000:00
000d4000-000d7fff : PCI Bus 0000:00
000d8000-000dbfff : PCI Bus 0000:00
000dc000-000dffff : PCI Bus 0000:00
000f0000-000fffff : System ROM
00100000-c5dfefff : System RAM
02000000-0281259c : Kernel code
0281259d-02f34eff : Kernel data
030a6000-031e8fff : Kernel bss
c5dff000-c5e05fff : ACPI Non-volatile Storage
c5e06000-c66a8fff : System RAM
c66a9000-c693dfff : reserved
c693e000-ca061fff : System RAM
ca062000-ca261fff : reserved
ca262000-ca3fbfff : System RAM
ca3fc000-cab0afff : ACPI Non-volatile Storage
cab0b000-caf4ffff : reserved
caf50000-caffefff : reserved
cafff000-caffffff : System RAM
cb000000-cbbfffff : RAM buffer
cbc00000-cfdfffff : reserved
cbe00000-cfdfffff : Graphics Stolen Memory
cfe00000-feafffff : PCI Bus 0000:00
cfe00000-cfffffff : PCI Bus 0000:01
d0000000-dfffffff : 0000:00:02.0
e0000000-f1ffffff : PCI Bus 0000:03
e0000000-efffffff : 0000:03:00.0
f0000000-f1ffffff : 0000:03:00.0
f2000000-f21fffff : PCI Bus 0000:01
f2200000-f23fffff : PCI Bus 0000:02
f6000000-f70fffff : PCI Bus 0000:03
f6000000-f6ffffff : 0000:03:00.0
f7000000-f707ffff : 0000:03:00.0
f7400000-f77fffff : 0000:00:02.0
f7800000-f78fffff : PCI Bus 0000:02
f7800000-f7801fff : 0000:02:00.0
f7800000-f7801fff : iwlwifi
f7900000-f790ffff : 0000:00:14.0
f7900000-f790ffff : xhci-hcd
f7910000-f7917fff : 0000:00:04.0
f7918000-f791bfff : 0000:00:1b.0
f7918000-f791bfff : ICH HD audio
f791c000-f791ffff : 0000:00:03.0
f791c000-f791ffff : ICH HD audio
f7920000-f7920fff : 0000:00:1f.6
f7921000-f79210ff : 0000:00:1f.3
f7922000-f79227ff : 0000:00:1f.2
f7922000-f79227ff : ahci
f7924000-f792401f : 0000:00:16.0
f7924000-f792401f : mei_me
f7fdf000-f7fdffff : pnp 00:09
f7fe0000-f7feffff : pnp 00:09
f8000000-fbffffff : PCI MMCONFIG 0000 [bus 00-3f]
f8000000-fbffffff : reserved
f8000000-fbffffff : pnp 00:09
fec00000-fec00fff : reserved
fec00000-fec003ff : IOAPIC 0
fed00000-fed03fff : reserved
fed00000-fed003ff : HPET 0
fed00000-fed003ff : PNP0103:00
fed10000-fed17fff : pnp 00:09
fed18000-fed18fff : pnp 00:09
fed19000-fed19fff : pnp 00:09
fed1c000-fed1ffff : reserved
fed1c000-fed1ffff : pnp 00:09
fed1f410-fed1f414 : iTCO_wdt
fed20000-fed3ffff : pnp 00:09
fed40000-fed44fff : pnp 00:00
fed45000-fed8ffff : pnp 00:09
fed90000-fed93fff : pnp 00:09
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
ff000000-ffffffff : reserved
ff000000-ffffffff : INT0800:00
ff000000-ffffffff : pnp 00:09
100000000-32f1fffff : System RAM
32f200000-32fffffff : RAM buffer
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