Mail Archives: cygwin/2005/09/23/08:49:22
On Sep 23 12:55, Dave Korn wrote:
> ----Original Message----
> > From: Corinna Vinschen
> >
> > $ strace -o dd.out dd if=/dev/hdc of=ms.img bs=1024
> >
> > [Time passes, somewhat more than a minute...]
> >
> > dd: reading `/dev/sdc': Permission denied
>
> Hey, what's with the hdc/sdc thing?
Nothing. Just a typo. Should have been `if=/dev/sdc'.
> > $ net helpmsg 121
> >
> > The semaphore timeout period has expired.
> >
> > Er... am I in the wrong movie or what? What semaphore, please?
>
> Beats me. If I cat /dev/sdb, once it goes past the end of the card, it
> just starts returning '<' chars forever.
That's... funny, isn't it? Hmm, no, not really.
> > Dave, you will have to debug this on your machine.
>
> Can do.
>
> > What does ReadFile
> > in fhandler_dev_raw::read_file() do on your machine? When it reads
> > beyond the physical EOF, how many bytes does ReadFile return? What
> > does it actually copy to the buffer?
>
> Will get back to you on this.
>
> > And then the interesting question occurs... why is it different on
> > your machine than it is on mine? Do differences between card readers
> > influence what happens? Is that another driver?
>
> USB2.0 CF CardReader USB Device
> USBSTOR\DISK&VEN_USB2.0&PROD_CF__CARDREADER&REV_\1234609_&0
>
> which I presume is mounted on
>
> USB Mass Storage Device
> USB\VID_07CC&PID_0501\1234609_
>
> and
>
> Generic volume
> STORAGE\REMOVABLEMEDIA\7&388FF7C9&0&RM
>
>
> - all the drivers are standard M$ stuff like usbstor.sys, volsnap.sys,
> disk.sys, partmgr.sys.
Same for me.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat, Inc.
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