[Novalug] How to get Linux to recognize Lexar multi-card reader
Ken Kauffman
kkauffman@headfog.com
Wed Mar 28 16:55:38 EDT 2007
Yup. You need to be very aware of the hardware before the build or you can
use the genkernel toolkit for building a kernel for you. 2 options.
FWIW: I generally boot with a live linux distro like Knoppix or the Gentoo
installer CD and "audit" the hardware. Then I can tune the compiler and
kernel to the specific hardware during install. When I added my
multi-reader, I had to go back and redo the kernel. It's fairly a quick
compile on an AMD X2 4400.
Ken
On Wed, March 28, 2007 16:16, b b wrote:
> john - very happy that you have the device working...
>
> - but it begs the question:
>
> how could this have been avoided with the gentoo
> distro?
>
> IOW, does one need an intimate knowledge of the target
> hardware *before* the build, or is the hardware
> intelligently parsed beforehand if all devices are
> attached?
>
> (can you tell that i've never used Gentoo?)
>
> :-)
>
> --- John covici <covici@ccs.covici.com> wrote:
>
>> In addition to whatever usb options you need, I
>> found that it
>> completely failed until I set
>> s
>> #
>> CONFIG_SCSI_MULTI_LUN=y
>> CONFIG_SCSI_CONSTANTS=y
>> CONFIG_SCSI_LOGGING=y
>>
>> Not sure whether the last two were necessary, but
>> looks like the
>> multi-lun did it.
>>
>> Hope this helps someone.
>>
>> on Tuesday 03/27/2007 Ken
>> Kauffman(kkauffman@headfog.com) wrote
>> > Here are all the relevant activated components in
>> my kernel. Look under
>> > USB storage areas for specific devices just in
>> case and make sure SCSI is
>> > enabled (which it looks like it is). DEVICEFS is
>> important.
>> >
>> > CONFIG_USB_ARCH_HAS_HCD=y
>> > CONFIG_USB_ARCH_HAS_OHCI=y
>> > CONFIG_USB_ARCH_HAS_EHCI=y
>> > CONFIG_USB=y
>> > CONFIG_USB_DEVICEFS=y
>> > CONFIG_USB_EHCI_HCD=y
>> > CONFIG_USB_EHCI_SPLIT_ISO=y
>> > CONFIG_USB_EHCI_ROOT_HUB_TT=y
>> > CONFIG_USB_OHCI_HCD=y
>> > CONFIG_USB_OHCI_LITTLE_ENDIAN=y
>> > CONFIG_USB_UHCI_HCD=y
>> > CONFIG_USB_PRINTER=y
>> > CONFIG_USB_STORAGE=y
>> > CONFIG_USB_STORAGE_USBAT=y
>> > CONFIG_USB_STORAGE_SDDR09=y
>> > CONFIG_USB_STORAGE_SDDR55=y
>> > CONFIG_USB_STORAGE_JUMPSHOT=y
>> > CONFIG_USB_STORAGE_ALAUDA=y
>> > CONFIG_USB_LIBUSUAL=y
>> > CONFIG_USB_HID=y
>> >
>> > CONFIG_SCSI=y
>> >
>> > Ken
>> >
>> > On Tue, March 27, 2007 12:14, Roger W. Broseus
>> wrote:
>> > > Try booting Ubuntu or Knoppix from CD and then
>> plug it in. Take a look at
>> > > relevant config files, etc., if the card is
>> recognized.
>> > > --
>> > > Roger W. Broseus
>> > >
>> > >> Hi. I am using a 2.6.19 gentoo kernel and I
>> can't get the system to
>> > >> recognize my Lexar multi-card reader. Now I
>> have usb mass storage
>> > >> configured as a module and every possible
>> support option answered as y
>> > >> for that module. I am using udev and what
>> happens is that it creates
>> > >> the /dev/sdc, but never the /dev/sdc1 and if I
>> create it by hand it
>> > >> says no media found when I try to mount the
>> thing. I know the card
>> > >> reader is working -- it works under that other
>> operating system.
>> > >>
>> > >> Any assistance would be appreciated.
>> > >>
>> > >> --
>> > >> Your life is like a penny. You're going to
>> lose it. The question is:
>> > >> How do
>> > >> you spend it?
>> > >>
>> > >> John Covici
>> > >> covici@ccs.covici.com
>> > >>
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>> > >
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>>
>> --
>> Your life is like a penny. You're going to lose it.
>> The question is:
>> How do
>> you spend it?
>>
>> John Covici
>> covici@ccs.covici.com
>> _______________________________________________
>> Novalug mailing list
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