Re: Cannot use USB device after compiling new kernel.

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On Wed, Apr 9, 2014 at 1:10 PM, Ivan Riabtsov <ivriabtsov@xxxxxxxxx> wrote:
> 2014-04-09 14:48 GMT+04:00, HABI S RAVI <habisbc@xxxxxxxxx>:
>> I am using 3.14.0 kernel version.
>>
>> I compiled using localmodconfig.
>>
>> I am using Ubuntu in my Lenovo U410 Ultrabook. I can use USB mouse,
>> keyboard, pendrives with the distro kernel 3.11.0-18-generic.
>>
>> I can use USB mouse in distro kernel, but cannot use the same in compiled
>> kernel. I can plug in new pendrive in distro kernel and are automatically
>> mounted. But i cannot mount pendrive in new kernel. The same occurs for USB
>> keyboard. But i can mount Nexus 7 in both kernel.
>>
>> Here is the output of dmesg and lsusb.
>>
>> habisravi@U410:~$ dmesg tail
>> [  866.156540] audit: type=1400 audit(1397006611.192:33): apparmor="DENIED"
>> operation="capable" profile="/usr/sbin/cupsd" pid=1113 comm="cupsd"
>> capability=36  capname="block_suspend"
>> [  869.326789] usb 3-2: new low-speed USB device number 13 using xhci_hcd
>> [  869.515935] usb 3-2: New USB device found, idVendor=1bcf, idProduct=0007
>> [  869.515949] usb 3-2: New USB device strings: Mfr=0, Product=2,
>> SerialNumber=0
>> [  869.515951] usb 3-2: Product: USB Optical Mouse
>> [  869.516121] usb 3-2: ep 0x81 - rounding interval to 64 microframes, ep
>> desc says 80 microframes
>> habisravi@U410:~$
>>
>> habisravi@U410:~$ lsusb
>> Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
>> Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
>> Bus 003 Device 013: ID 1bcf:0007 Sunplus Innovation Technology Inc. Optical
>> Mouse
>> Bus 003 Device 003: ID 04f2:b2e1 Chicony Electronics Co., Ltd
>> Bus 003 Device 004: ID 0cf3:3004 Atheros Communications, Inc.
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> habisravi@U410:~$
>>
>
> connect all your usb devices, reboot to the uduntu precompiled kernel,
> be sure that all modules are loaded and all devices are working
> properly, then again do "localmodconfig" and re-compile a new kernel.
>


Or you can try to figure out which drivers you need by fallowing GKH's
"Linux kernel in a Nutshell".
http://www.kroah.com/lkn/
I guess this is the "old way" before localmodconfig, but more fun ;-)

Regards,
Bojan

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