Re: [grub-devel] loongson-2f mini-pc (fuloong) elf image generation.

[Aleš Nesrsta]

> Hello!
> Your description of the classic Null-Modem device is correct. The baud
> rate isn't. it is 115200 not the value you used.

Thanks for correction!
My finger on the key 2 was too fast :-)
As I see, it is really time to go to bed... (at least in our country)

BR, Ales

> -----
> Gregg C Levine address@hidden
> "This signature fought the Time Wars, time and again."
>
>
> On Tue, Sep 17, 2013 at 5:10 PM, Aleš Nesrsta <address@hidden> wrote:
> > > > # stty -F /dev/ttyUSB0 9600 -echo
> > > > # cat /dev/ttyUSB0 > ttyUSB0.txt
> >
> >
> > It was 9600 usually, but probably it should be 112500 now, as Vladimir
> > wrote.
> > If you want, you can ensure some speed on GRUB side by parameter -s ,e.g.:
> > serial -s 112500
> >
> >
> > > > serial
> > > > terminal_output console serial
> > > > debug=all
> > > > insmod ohci
> > > > insmod ehci
> > > > ls
> > >
> > > I didn't get anything captured, sorry...  But with the serial setup,
> > >
> > > grub seems to freeze on:
> > >
> > > disk/pata.c:274:  status=0x50, error=0x0, sectors=0x0
> > > kern/disk.c:326:  Closing `ata0'.
> >
> >
> > Something changed in GRUB in the meantime, so try this for current trunk
> > code:
> >
> >
> > serial
> > terminal_output console serial
> > debug=all
> > nativedisk
> > ls
> >
> >
> >
> > > My mistake, the adapter is not a null modem.
> >
> > At least these pins must be connected by null-modem cable:
> > 3 - 2
> > 2 - 3
> > 5 - 5
> > This is valid for "classic" 9pin PC connectors on both sides of cable. You
> > can check the cable by ohmmeter if it is correct.
> >
> >
> > Additionally:
> > There exist some important USB related patches which are not included in
> > trunk yet - see the history of mail list and search for posts from me and
> > Melki Christian some weeks ago.
> >
> > BR, Ales
> >
> >
> > _______________________________________________
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> > https://lists.gnu.org/mailman/listinfo/grub-devel
>
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