On Sun, 9 May 2004, Zariel Skotlex wrote:

> Ah well... looks like I hit the end of the road for now. I tried kernel
> 2.6.6-rc3 (plus the two patches from this mailing list), and now I get a
> gazillion oopses from the kernel before I even hit the login prompt (the thing
> oopses so much I can't make anything out of it, except that it seems related to
> a process called consolelog.sh),

That kind of thing should not happen.  You should try to make sense of it 
and report the problems.  You could try booting into single-user mode, for 
instace, to simplify the environment.

>  well.. with that kinda state I can'd do any
> testing at all... even thought after I went back to 2.4 CDCEther failed to
> retrieve the MAC address.. which means the modem was indeed again messed up. 
> I guess afterall the modem does has some kind of firmware bug when requesting
> strings based on indexes (but it works alright when requesting the whole
> descriptor string), and that's why it works with CDCEther... and the windows
> driver (I suppose that driver queries the modem that way as well, if it didn't
> and it didn't work then I'd have a very simple and valid argument to get it
> "changed" or updated with my isp). Well.. thanks for your time in trying to help
> me out. I'll have to wait for a usbnet upgrade that automagically fixes it or
> until I can convince my isp that my modem is buggy, whichever miracle happens
> first.
> 
> One minor question though... can power failures (or accidental disconnects,
> whichever) cause firmware corruption? That thing shouldn't happen, but
> considering that it is highly unlikely that my isp did any kind of firmware
> upgrade and that my modem WAS indeed working with usbnet before suggests that
> somehow the firmware just got "magically corrupted"...

A power interruption by itself won't corrupt the firmware.  But a power 
failure is often accompanied by transient "glitches" or "spikes" that 
might fry part of your device.  It has happened to me...  :-(

Alan Stern



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