Message-ID: <4F997340.3070401@quantentunnel.de>
Date:	Thu, 26 Apr 2012 18:09:36 +0200
From:	Kris Erik Schwerdt <kriserik@...ntentunnel.de>
To:	linux-kernel@...r.kernel.org
Subject: PROBLEM: cp210x

Dear Sir or Madam,

I would like to report a bug sice kernel 3.3.1.

[1.] One line summary of the problem:

	The module cp210x causes kernelpanic.

[2.] Full description of the problem/report:
	
	By connecting a usb-device with ID 10c4:ea60 to the computer the module
cp210x causes a recursive fault and the kernel is halted.

[3.] Keywords (i.e., modules, networking, kernel):
	
	module: cp210x, usb to serial converter, kernel 3.3.1, kernel 3.3.2,
kernel 3.3.3

[4.] Kernel version (from /proc/version):

	Linux version 3.3.3-1-ARCH (tobias@...OWA-LX) (gcc version 4.7.0
20120414 (prerelease) (GCC) ) #1 SMP PREEMPT Mon Apr 23 09:41:07 CEST 2012

[5.] Output of Oops.. message (if applicable) with symbolic information
     resolved (see Documentation/oops-tracing.txt)

	it was not possible to save the oops message. but at the and there was
a line with "recursive fault fixed, but system has to reboot"

[6.] A small shell script or example program which triggers the
     problem (if possible)

[7.] Environment
[7.1.] Software (add the output of the ver_linux script here)

Linux fridolin 3.3.3-1-ARCH #1 SMP PREEMPT Mon Apr 23 09:41:07 CEST 2012
x86_64 Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz GenuineIntel GNU/Linux

Gnu C                  4.7.0
Gnu make               3.82
binutils               2.22.0.20120323
util-linux             2.21.1
mount                  support
module-init-tools      8
e2fsprogs              1.42.2
jfsutils               1.1.15
reiserfsprogs          3.6.21
pcmciautils            018
PPP                    2.4.5
Linux C Library        2.15
Dynamic linker (ldd)   2.15
Linux C++ Library      so.6.0
Procps                 3.2.8
Net-tools              1.60
Kbd                    1.15.3
Sh-utils               8.16
wireless-tools         29
Modules Loaded         usbhid hid tun snd_usb_audio snd_usbmidi_lib
snd_rawmidi snd_seq_device nfnetlink_log nfnetlink fuse qcserial
usb_wwan usbserial uvcvideo videobuf2_vmalloc videobuf2_memops
videobuf2_core videodev v4l2_compat_ioctl32 media btusb bluetooth
snd_hda_codec_hdmi vboxdrv nvidia snd_hda_codec_conexant tp_smapi arc4
thinkpad_ec acpi_cpufreq mperf fan iwlwifi mxm_wmi mac80211 serio_raw
psmouse pcspkr evdev i2c_i801 cfg80211 battery sdhci_pci thermal
thinkpad_acpi sdhci nvram ac mmc_core rfkill snd_hda_intel snd_hda_codec
i2c_core snd_hwdep snd_pcm intel_agp snd_page_alloc intel_gtt snd_timer
e1000e mei snd iTCO_wdt iTCO_vendor_support soundcore video wmi button
processor microcode aesni_intel aes_x86_64 cryptd aes_generic intel_ips
ext4 crc16 jbd2 mbcache sd_mod ahci libahci libata scsi_mod ehci_hcd
usbcore usb_common uvesafb

[7.2.] Processor information (from /proc/cpuinfo):

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
stepping	: 2
microcode	: 0xd
cpu MHz		: 2400.000
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 2
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt aes lahf_lm ida arat dts
tpr_shadow vnmi flexpriority ept vpid
bogomips	: 4789.11
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
stepping	: 2
microcode	: 0xd
cpu MHz		: 2400.000
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 2
apicid		: 1
initial apicid	: 1
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt aes lahf_lm ida arat dts
tpr_shadow vnmi flexpriority ept vpid
bogomips	: 4789.11
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
stepping	: 2
microcode	: 0xd
cpu MHz		: 2400.000
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 2
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt aes lahf_lm ida arat dts
tpr_shadow vnmi flexpriority ept vpid
bogomips	: 4789.11
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 37
model name	: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
stepping	: 2
microcode	: 0xd
cpu MHz		: 2400.000
cache size	: 3072 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 2
apicid		: 5
initial apicid	: 5
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt aes lahf_lm ida arat dts
tpr_shadow vnmi flexpriority ept vpid
bogomips	: 4789.11
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual
power management:


[7.3.] Module information (from /proc/modules):

usbhid 36142 0 - Live 0xffffffffa0352000
hid 84549 1 usbhid, Live 0xffffffffa0f7c000
tun 15241 2 - Live 0xffffffffa0255000
snd_usb_audio 93519 2 - Live 0xffffffffa0f64000
snd_usbmidi_lib 18744 1 snd_usb_audio, Live 0xffffffffa0292000
snd_rawmidi 18991 1 snd_usbmidi_lib, Live 0xffffffffa0272000
snd_seq_device 5300 1 snd_rawmidi, Live 0xffffffffa0252000
nfnetlink_log 8037 0 - Live 0xffffffffa01f5000
nfnetlink 3210 1 nfnetlink_log, Live 0xffffffffa016b000
fuse 68162 2 - Live 0xffffffffa0f52000
qcserial 4898 0 - Live 0xffffffffa029b000
usb_wwan 9366 1 qcserial, Live 0xffffffffa10f8000
usbserial 32395 2 qcserial,usb_wwan, Live 0xffffffffa10e9000
uvcvideo 67853 0 - Live 0xffffffffa10d2000
videobuf2_vmalloc 2276 1 uvcvideo, Live 0xffffffffa0249000
videobuf2_memops 2182 1 videobuf2_vmalloc, Live 0xffffffffa01c0000
videobuf2_core 20415 1 uvcvideo, Live 0xffffffffa10c9000
videodev 83373 1 uvcvideo, Live 0xffffffffa10ab000
v4l2_compat_ioctl32 8348 1 videodev, Live 0xffffffffa035c000
media 10469 2 uvcvideo,videodev, Live 0xffffffffa0261000
btusb 11643 0 - Live 0xffffffffa00df000
bluetooth 171342 1 btusb, Live 0xffffffffa0fff000
snd_hda_codec_hdmi 24120 4 - Live 0xffffffffa01b9000
vboxdrv 1792230 0 - Live 0xffffffffa1c5e000 (O)
nvidia 12257807 33 - Live 0xffffffffa03a0000 (PO)
snd_hda_codec_conexant 46856 1 - Live 0xffffffffa0345000
tp_smapi 20660 0 - Live 0xffffffffa026b000 (O)
arc4 1410 2 - Live 0xffffffffa0202000
thinkpad_ec 4285 1 tp_smapi, Live 0xffffffffa024c000 (O)
acpi_cpufreq 5941 1 - Live 0xffffffffa01ff000
mperf 1275 1 acpi_cpufreq, Live 0xffffffffa01f3000
fan 2426 0 - Live 0xffffffffa0081000
iwlwifi 252526 0 - Live 0xffffffffa0361000
mxm_wmi 1425 0 - Live 0xffffffffa0189000
mac80211 391455 1 iwlwifi, Live 0xffffffffa02e4000
serio_raw 4653 0 - Live 0xffffffffa01e7000
psmouse 69539 0 - Live 0xffffffffa02d2000
pcspkr 1835 0 - Live 0xffffffffa00c5000
evdev 9402 22 - Live 0xffffffffa01ef000
i2c_i801 8116 0 - Live 0xffffffffa00cd000
cfg80211 176857 2 iwlwifi,mac80211, Live 0xffffffffa021c000
battery 6485 0 - Live 0xffffffffa0050000
sdhci_pci 10535 0 - Live 0xffffffffa02cb000
thermal 7959 0 - Live 0xffffffffa02c5000
thinkpad_acpi 62497 0 - Live 0xffffffffa029e000
sdhci 23662 1 sdhci_pci, Live 0xffffffffa02bb000
nvram 5906 1 thinkpad_acpi, Live 0xffffffffa0298000
ac 2376 0 - Live 0xffffffffa003c000
mmc_core 82671 2 sdhci_pci,sdhci, Live 0xffffffffa0278000
rfkill 15604 3 bluetooth,cfg80211,thinkpad_acpi, Live 0xffffffffa0266000
snd_hda_intel 23989 0 - Live 0xffffffffa025a000
snd_hda_codec 92713 3
snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel, Live
0xffffffffa0204000
i2c_core 20593 3 videodev,nvidia,i2c_i801, Live 0xffffffffa01f8000
snd_hwdep 6556 2 snd_usb_audio,snd_hda_codec, Live 0xffffffffa01e0000
snd_pcm 74812 4
snd_usb_audio,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec, Live
0xffffffffa01c8000
intel_agp 10872 0 - Live 0xffffffffa0182000
snd_page_alloc 7217 2 snd_hda_intel,snd_pcm, Live 0xffffffffa00d7000
intel_gtt 14007 1 intel_agp, Live 0xffffffffa0163000
snd_timer 19222 1 snd_pcm, Live 0xffffffffa01c2000
e1000e 144866 0 - Live 0xffffffffa0194000
mei 32216 0 - Live 0xffffffffa018b000 (C)
snd 59656 16
snd_usb_audio,snd_usbmidi_lib,snd_rawmidi,snd_seq_device,snd_hda_codec_hdmi,snd_hda_codec_conexant,thinkpad_acpi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer,
Live 0xffffffffa0172000
iTCO_wdt 12877 0 - Live 0xffffffffa01ea000
iTCO_vendor_support 1929 1 iTCO_wdt, Live 0xffffffffa0042000
soundcore 6082 1 snd, Live 0xffffffffa01e4000
video 11243 0 - Live 0xffffffffa01dc000
wmi 8475 1 mxm_wmi, Live 0xffffffffa016e000
button 4502 0 - Live 0xffffffffa0168000
processor 26144 1 acpi_cpufreq, Live 0xffffffffa015b000
microcode 12217 0 - Live 0xffffffffa00db000
aesni_intel 49946 0 - Live 0xffffffffa014d000
aes_x86_64 7508 1 aesni_intel, Live 0xffffffffa007e000
cryptd 8383 1 aesni_intel, Live 0xffffffffa003e000
aes_generic 26138 2 aesni_intel,aes_x86_64, Live 0xffffffffa0034000
intel_ips 11347 0 - Live 0xffffffffa0084000
ext4 424467 5 - Live 0xffffffffa00e4000
crc16 1359 2 bluetooth,ext4, Live 0xffffffffa000d000
jbd2 71704 1 ext4, Live 0xffffffffa00b2000
mbcache 5977 1 ext4, Live 0xffffffffa0007000
sd_mod 28059 7 - Live 0xffffffffa0076000
ahci 20261 5 - Live 0xffffffffa00d1000
libahci 19999 1 ahci, Live 0xffffffffa00c7000
libata 167019 2 ahci,libahci, Live 0xffffffffa0088000
scsi_mod 133422 2 sd_mod,libata, Live 0xffffffffa0054000
ehci_hcd 43944 0 - Live 0xffffffffa0044000
usbcore 146847 10
usbhid,snd_usb_audio,snd_usbmidi_lib,qcserial,usb_wwan,usbserial,uvcvideo,btusb,ehci_hcd,
Live 0xffffffffa000f000
usb_common 954 1 usbcore, Live 0xffffffffa000b000
uvesafb 21439 1 - Live 0xffffffffa0000000

[7.7.] Other information that might be relevant to the problem
       (please look in /proc and include all information that you
       think to be relevant):
[X.] Other notes, patches, fixes, workarounds:


Thank you

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