[Fedora-xen] FC5 - serial console - no characters received by host?

[Tony Clark]

Thanks to both Yongkang and Nathan for their quick responses on this;  
I tried both approaches and they did everything I needed.  My boot  
options now follow this message for the record and I have a happy  
serial console.

Tony


title Fedora Core (2.6.16-1.2080_FC5xen0)
         root (hd0,0)
         kernel /xen.gz-2.6.16-1.2080_FC5 dom0_mem=384000  
com2=9600,8n1 console=com2,vga sync_console,acpi=off
         module /vmlinuz-2.6.16-1.2080_FC5xen0 ro root=/dev/ 
VolGroup00/LogVol00 rhgb selinux=0 pci=noacpi console=tty0 console=ttyS0
         module /initrd-2.6.16-1.2080_FC5xen0.img

title Fedora Core (2.6.16-1.2080_FC5xen0 PNP)
         root (hd0,0)
         kernel /xen.gz-2.6.16-1.2080_FC5 dom0_mem=384000  
com2=9600,8n1 console=com2,vga sync_console
         module /vmlinuz-2.6.16-1.2080_FC5xen0 ro root=/dev/ 
VolGroup00/LogVol00 rhgb selinux=0 console=tty0 console=ttyS0  
pnpacpi=off
         module /initrd-2.6.16-1.2080_FC5xen0.img



On 21/04/2006, at 12:46 PM, Nathan wrote:

> I ran into the same problem too, see
>
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=185744
>
> boot with pnpacpi=off on the kernel command line and it should work
> (serial console works fine for me though I'm using com1 at 115200).
>
> Thanks again to James Morris for finding the workaround for this one!
>
> Nathan
>
> On Thu, Apr 20, 2006 at 11:35:24PM +0930, Tony Clark wrote:
>> Hi there,
>>
>> I've been working with the FC5 Xen stuff for the past few weeks after
>> trawling many options for building a redundant server farm; It's a
>> great build and congratulations to all who put this together.
>>
>> I have a little issue with my serial console which is putting hte
>> brakes on deployment though: I want to use the serial console on com2
>> (the default on the Intel mainboard I use) to give me the grub
>> console, Xen console and Linux consoles.  I've had this working fine
>> on previous releases from SuSE and others and on the current  
>> hardware.
>>
>> When happens at the moment is that the machine boots, gives me the
>> grub menu, where I can choose my boot system (so it's hearing my
>> keystrokes) but once it proceeds into the Xen and ultimately Linux,
>> it doesn't want to hear keystrokes from me any more: I can't CTRL-A
>> (x3) and get the Xen console, nor the linux console which is
>> configured in /etc/inittab.  I see the boot messages go past and get
>> a login prompt, but no keystrokes get through or can control the
>> machine.
>>
>> It's making it tricky to send the box to co-lo as I can't get serial
>> control if I take down the network, or Hypervisor control to reboot
>> Dom0.
>>
>> My rpms are:
>>
>> kernel-xen0-2.6.16-1.2080_FC5
>> xen-3.0.1-4
>>
>> and my grub.conf is:
>>
>> default=0
>> timeout=5
>> #splashimage=(hd0,0)/grub/splash.xpm.gz
>> #hiddenmenu
>> #
>> serial --unit=1 --speed=9600 --word=8 --parity=no --stop=1
>> terminal --timeout=10 serial console
>> #
>> title Fedora Core (2.6.16-1.2080_FC5xen0)
>>         root (hd0,0)
>>         kernel /xen.gz-2.6.16-1.2080_FC5 dom0_mem=384000
>> com2=9600,8n1 console=com2,vga sync_console
>>         module /vmlinuz-2.6.16-1.2080_FC5xen0 ro root=/dev/
>> VolGroup00/LogVol00 rhgb selinux=0
>>         module /initrd-2.6.16-1.2080_FC5xen0.img
>>
>> I'd appreciate any guidance on silly things I may have done here; I'm
>> banging my head on this one.
>>
>> Many thanks,
>>
>> Tony
>>
>>
>> tony clark
>> director - tony.clark at rsp.com.au
>> ---------------------------------------------------------------
>> rising sun pictures - www.rsp.com.au
>> redefining visual effects delivery
>> ---------------------------------------------------------------
>> address	level 1 / 133 gouger street
>> 		adelaide south australia 5000
>> ---------------------------------------------------------------
>> adelaide ph +61 8 8400 6400 fax +61 8 8400 6401
>> sydney    ph +61 2 9338 6400 fax +61 2 9338 6401
>> ---------------------------------------------------------------
>> rising sun research - http://research.rsp.com.au
>> ---------------------------------------------------------------
>>
>>
>>
>
>> --
>> Fedora-xen mailing list
>> Fedora-xen at redhat.com
>> https://www.redhat.com/mailman/listinfo/fedora-xen

tony clark
director - tony.clark at rsp.com.au
---------------------------------------------------------------
rising sun pictures - www.rsp.com.au
redefining visual effects delivery
---------------------------------------------------------------
address	level 1 / 133 gouger street
		adelaide south australia 5000
---------------------------------------------------------------
adelaide ph +61 8 8400 6400 fax +61 8 8400 6401
sydney    ph +61 2 9338 6400 fax +61 2 9338 6401
---------------------------------------------------------------
rising sun research - http://research.rsp.com.au
---------------------------------------------------------------



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