> On 7 Nov 2017, at 9:33 PM, Ivan Chernyshev <email address hidden> wrote:
> 
> Аt the moment i have:
> 
> [   16.365650] usb 4-1: new full-speed USB device number 3 using ohci-pci
> [   16.538098] usb 4-1: string descriptor 0 read error: -22
> [   16.538109] usb 4-1: New USB device found, idVendor=0cf3, idProduct=3004
> [   16.538113] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> 
> How can I reduce the log level? It's not dangerous?

I am in a discussion with upstream maintainer to lower the log level. Currently you can’t do it as a user.

No, it’s not dangerous.

Kai-Heng

> 
>> Вторник,  7 ноября 2017, 11:31 +03:00 от Kai-Heng Feng <email address hidden>:
>> 
>>> On 6 Nov 2017, at 5:34 PM, Ivan Chernyshev < <email address hidden> > wrote:
>>> 
>>> Yes.  The USB device still works correctly. With Windows and with 
>>> elementary.
>> 
>> We should lower its log level so people won’t panic about this message.
>> 
>>> 
>>> В Понедельник, 6 ноя. 2017 в 4:44 , Kai-Heng Feng 
>>> < <email address hidden> > написал:
>>>> IIUC the USB device still works correctly, right?
>>> 
>>> -- 
>>> You received this bug notification because you are subscribed to linux
>>> in Ubuntu.
>>> https://bugs.launchpad.net/bugs/1729618
>>> 
>>> Title:
>>> usb 4-1: string descriptor 0 read error: -22
>>> 
>>> Status in linux package in Ubuntu:
>>> Incomplete
>>> 
>>> Bug description:
>>> ~$ dmesg -lerr
>>> [    2.227682] usb 4-1: string descriptor 0 read error: -22
>>> 
>>> ~$ dmesg
>>> [    2.227682] usb 4-1: string descriptor 0 read error: -22
>>> [    2.227691] usb 4-1: New USB device found, idVendor=0cf3, idProduct=3004
>>> [    2.227695] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>>> 
>>> ProblemType: Bug
>>> DistroRelease: elementary 0.4.1
>>> Package: linux-image-4.4.0-98-generic 4.4.0-98.121 [origin: Ubuntu]
>>> ProcVersionSignature: Ubuntu 4.4.0-98.121-generic 4.4.90
>>> Uname: Linux 4.4.0-98-generic x86_64
>>> NonfreeKernelModules: wl
>>> ApportVersion: 2.20.1-0ubuntu2.10
>>> Architecture: amd64
>>> AudioDevicesInUse:
>>>  USER        PID ACCESS COMMAND
>>>  /dev/snd/pcmC1D0p:   mrcrabs    2287 F...m pulseaudio
>>>  /dev/snd/controlC1:  mrcrabs    2287 F.... pulseaudio
>>>  /dev/snd/controlC0:  mrcrabs    2287 F.... pulseaudio
>>> CurrentDesktop: Pantheon
>>> Date: Thu Nov  2 17:11:14 2017
>>> HibernationDevice: RESUME=UUID=087015d3-079d-43ad-ae2c-44bd69b448a4
>>> InstallationDate: Installed on 2017-10-29 (3 days ago)
>>> InstallationMedia: elementary OS 0.4 "Loki" - Stable amd64 (20160921)
>>> MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U3C
>>> ProcFB: 0 radeondrmfb
>>> ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-98-generic root=UUID=ac5af5d0-9847-4205-8b63-6c02267949db ro quiet splash vt.handoff=7
>>> RelatedPackageVersions:
>>>  linux-restricted-modules-4.4.0-98-generic N/A
>>>  linux-backports-modules-4.4.0-98-generic  N/A
>>>  linux-firmware                            1.157.13
>>> SourcePackage: linux
>>> UpgradeStatus: No upgrade log present (probably fresh install)
>>> dmi.bios.date: 04/03/2013
>>> dmi.bios.vendor: American Megatrends Inc.
>>> dmi.bios.version: P07RAG.N53.130403.LEO
>>> dmi.board.asset.tag: No Asset Tag
>>> dmi.board.name: SAMSUNG_NP1234567890
>>> dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
>>> dmi.board.version: SEC_SW_REVISION_1234567890ABCD
>>> dmi.chassis.asset.tag: No Asset Tag
>>> dmi.chassis.type: 9
>>> dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
>>> dmi.chassis.version: N/A
>>> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07RAG.N53.130403.LEO:bd04/03/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U3C:pvrP07RAG:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
>>> dmi.product.name: 535U3C
>>> dmi.product.version: P07RAG
>>> dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
>>> 
>>> To manage notifications about this bug go to:
>>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729618/+subscriptions
>> 
>> -- 
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/1729618
>> 
>> Title:
>>   usb 4-1: string descriptor 0 read error: -22
>> 
>> Status in linux package in Ubuntu:
>>   Incomplete
>> 
>> Bug description:
>>   ~$ dmesg -lerr
>>   [    2.227682] usb 4-1: string descriptor 0 read error: -22
>> 
>>   ~$ dmesg
>>   [    2.227682] usb 4-1: string descriptor 0 read error: -22
>>   [    2.227691] usb 4-1: New USB device found, idVendor=0cf3, idProduct=3004
>>   [    2.227695] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
>> 
>>   ProblemType: Bug
>>   DistroRelease: elementary 0.4.1
>>   Package: linux-image-4.4.0-98-generic 4.4.0-98.121 [origin: Ubuntu]
>>   ProcVersionSignature: Ubuntu 4.4.0-98.121-generic 4.4.90
>>   Uname: Linux 4.4.0-98-generic x86_64
>>   NonfreeKernelModules: wl
>>   ApportVersion: 2.20.1-0ubuntu2.10
>>   Architecture: amd64
>>   AudioDevicesInUse:
>>    USER        PID ACCESS COMMAND
>>    /dev/snd/pcmC1D0p:   mrcrabs    2287 F...m pulseaudio
>>    /dev/snd/controlC1:  mrcrabs    2287 F.... pulseaudio
>>    /dev/snd/controlC0:  mrcrabs    2287 F.... pulseaudio
>>   CurrentDesktop: Pantheon
>>   Date: Thu Nov  2 17:11:14 2017
>>   HibernationDevice: RESUME=UUID=087015d3-079d-43ad-ae2c-44bd69b448a4
>>   InstallationDate: Installed on 2017-10-29 (3 days ago)
>>   InstallationMedia: elementary OS 0.4 "Loki" - Stable amd64 (20160921)
>>   MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U3C
>>   ProcFB: 0 radeondrmfb
>>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-98-generic root=UUID=ac5af5d0-9847-4205-8b63-6c02267949db ro quiet splash vt.handoff=7
>>   RelatedPackageVersions:
>>    linux-restricted-modules-4.4.0-98-generic N/A
>>    linux-backports-modules-4.4.0-98-generic  N/A
>>    linux-firmware                            1.157.13
>>   SourcePackage: linux
>>   UpgradeStatus: No upgrade log present (probably fresh install)
>>   dmi.bios.date: 04/03/2013
>>   dmi.bios.vendor: American Megatrends Inc.
>>   dmi.bios.version: P07RAG.N53.130403.LEO
>>   dmi.board.asset.tag: No Asset Tag
>>   dmi.board.name: SAMSUNG_NP1234567890
>>   dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
>>   dmi.board.version: SEC_SW_REVISION_1234567890ABCD
>>   dmi.chassis.asset.tag: No Asset Tag
>>   dmi.chassis.type: 9
>>   dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
>>   dmi.chassis.version: N/A
>>   dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07RAG.N53.130403.LEO:bd04/03/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U3C:pvrP07RAG:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
>>   dmi.product.name: 535U3C
>>   dmi.product.version: P07RAG
>>   dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
>> 
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729618/+subscriptions
> 
> -- 
> You received this bug notification because you are subscribed to linux
> in Ubuntu.
> https://bugs.launchpad.net/bugs/1729618
> 
> Title:
>  usb 4-1: string descriptor 0 read error: -22
> 
> Status in linux package in Ubuntu:
>  Incomplete
> 
> Bug description:
>  ~$ dmesg -lerr
>  [    2.227682] usb 4-1: string descriptor 0 read error: -22
> 
>  ~$ dmesg
>  [    2.227682] usb 4-1: string descriptor 0 read error: -22
>  [    2.227691] usb 4-1: New USB device found, idVendor=0cf3, idProduct=3004
>  [    2.227695] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> 
>  ProblemType: Bug
>  DistroRelease: elementary 0.4.1
>  Package: linux-image-4.4.0-98-generic 4.4.0-98.121 [origin: Ubuntu]
>  ProcVersionSignature: Ubuntu 4.4.0-98.121-generic 4.4.90
>  Uname: Linux 4.4.0-98-generic x86_64
>  NonfreeKernelModules: wl
>  ApportVersion: 2.20.1-0ubuntu2.10
>  Architecture: amd64
>  AudioDevicesInUse:
>   USER        PID ACCESS COMMAND
>   /dev/snd/pcmC1D0p:   mrcrabs    2287 F...m pulseaudio
>   /dev/snd/controlC1:  mrcrabs    2287 F.... pulseaudio
>   /dev/snd/controlC0:  mrcrabs    2287 F.... pulseaudio
>  CurrentDesktop: Pantheon
>  Date: Thu Nov  2 17:11:14 2017
>  HibernationDevice: RESUME=UUID=087015d3-079d-43ad-ae2c-44bd69b448a4
>  InstallationDate: Installed on 2017-10-29 (3 days ago)
>  InstallationMedia: elementary OS 0.4 "Loki" - Stable amd64 (20160921)
>  MachineType: SAMSUNG ELECTRONICS CO., LTD. 535U3C
>  ProcFB: 0 radeondrmfb
>  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-98-generic root=UUID=ac5af5d0-9847-4205-8b63-6c02267949db ro quiet splash vt.handoff=7
>  RelatedPackageVersions:
>   linux-restricted-modules-4.4.0-98-generic N/A
>   linux-backports-modules-4.4.0-98-generic  N/A
>   linux-firmware                            1.157.13
>  SourcePackage: linux
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  dmi.bios.date: 04/03/2013
>  dmi.bios.vendor: American Megatrends Inc.
>  dmi.bios.version: P07RAG.N53.130403.LEO
>  dmi.board.asset.tag: No Asset Tag
>  dmi.board.name: SAMSUNG_NP1234567890
>  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
>  dmi.board.version: SEC_SW_REVISION_1234567890ABCD
>  dmi.chassis.asset.tag: No Asset Tag
>  dmi.chassis.type: 9
>  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
>  dmi.chassis.version: N/A
>  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07RAG.N53.130403.LEO:bd04/03/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn535U3C:pvrP07RAG:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
>  dmi.product.name: 535U3C
>  dmi.product.version: P07RAG
>  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
> 
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729618/+subscriptions