usb/kernel problem
Timothy Payne
tim at tmpco.com
Sat Nov 6 03:27:59 UTC 2004
On Thu, 2004-11-04 at 02:34, Emiliano Brunetti wrote:
> On Wed, 2004-11-03 at 13:56, Emiliano Brunetti wrote:
> [snip]
> > However, usb is still not working. :(
> >
> > I really need help.
> >
> > Now it doesn't work even with 2.6.8-1.521 and acpi=off. It did work for
> > a while, but now it is broken again. I tried to compile a stock kernel,
> > 2.6.9, and it really didn't solve. Anytime i plug a usb device, a memory
> > stick or a hdd doesn't matter, i still get the 'usual' error message:
> >
> > usb 2-2: control timeout on ep0out
> > uhci_hcd 0000:00:1d.1: Unlink after no-IRQ? Different ACPI or APIC
> > settings may help
> >
> > I tried both settings, acpi=off and noapic, and non solved (both with
> > FC2 kernel and stock kernel).
> >
> > I hope somebody can help. I am afraid it may be related to a combination
> > of my hardware (a dell dimension 4500 desktop) and something in the
> > kernel - but i don't know at least how to figure this out.
>
> Still hope somebody can help. ;)
>
> I tried to figure out any difference in kernel log.
>
> var/log/messages have different entries when usb storage worked and when it didn't.
>
> Alway using:
>
> kernel: Linux version 2.6.8-1.521 (bhcompile at tweety.build.redhat.com) (gcc version 3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 Mon Aug 16 09:01:18 EDT 2004
> ...
> kernel: Kernel command line: ro root=LABEL=/ acpi=off
>
> but some entries are missing from logs when usb is not working. They are:
>
> sysctl: kernel.sysrq = 0
> sysctl: kernel.core_uses_pid = 1
> network: Setting network parameters: succeeded
> network: Bringing up loopback interface: succeeded
>
> These are 'early' entries in messages. Loopback log missing is strange indeed: lo is configured anyway, but it doesn't log when usb is not working.
>
> I really don't know what the first two entries mean, nor what they could be related to.
>
> Any help? These are the only differences i could find, plus one more in ntpd log: when usb is not working, ntpd gets initialized with a frequency of 24.170 PPM from /var/lib/ntp/drift - when usb is working, the frequency scales down to 16.787 PPM. Don't know if this could mean something.
>
> Hope somebody can at least tell me something about these logs.
>
> Thanks all
>
> E.
I have a USB card reader, when no card is in it nothing shows up. When
a card is in it it shows up as /dev/sda1 I'm using Gnome go to system
tools > disk management and see if what ever you have on your USB shows
up.
Tim...
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