Re: [Xen-users] Can't see console on vanilla 2.6.24.2

["Valter Douglas Lisbôa Jr." <douglas@xxxxxxxxxxxxx>]

On Monday 25 February 2008 21:18:30 Saúl Ibarra wrote:
> Hi!
>
> I've my Xen server setup with Xen 3.2 built from sources and 2.6.18
> custom kernel from mercurial.
>
> I've got an etch HVM domU working fine, but now Im'm trying
> paravirtualization. I built a custom 2.6.24.2 vanilla kernel according
> to http://wiki.xensource.com/xenwiki/Kernel.org_Linux_on_Xen but I
> can't see the console.
>
> I added console=xvc0 to the extra section (I don't have hvc0, is it
> normal?) but I can't see anything.
>
did you try xencons=tty ? 

> I can also see these lines in the xm dmesg:
>
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 96kB init memory.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000404 from
> 00000040:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000408 from
> 00000000:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 0000040c from
> 00000000:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000410 from
> 00000000:00000008 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000414 from
> 00000000:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000401 from
> 10000000:00000000 to 00000000:00000000.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 0000040d from
> 00200000:00000000 to 00000000:00000000.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000411 from
> 00000000:00000011 to 00000000:00000000.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 00000415 from
> 10000010:00000e0f to 00000000:00000000.
> (XEN) traps.c:1946:d1 Domain attempted WRMSR 0000008b from
> 000000b6:00000000 to 00000000:00000000.
> (XEN) traps.c:1946:d2 Domain attempted WRMSR 00000404 from
> 00000040:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d2 Domain attempted WRMSR 00000408 from
> 00000000:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d2 Domain attempted WRMSR 0000040c from
> 00000000:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d2 Domain attempted WRMSR 00000410 from
> 00000000:00000008 to ffffffff:ffffffff.
> (XEN) printk: 6 messages suppressed.
> (XEN) traps.c:1946:d3 Domain attempted WRMSR 00000404 from
> 00000040:00000001 to ffffffff:ffffffff.
> (XEN) traps.c:1946:d3 Domain attempted WRMSR 00000408 from
> 00000000:00000001 to ffffffff:ffffffff.
>
>
> And even if I can't see the boot console, when I execute xm list the
> time count up:
>
> wapi:~# xm li
> Name                                        ID   Mem VCPUs      State  
> Time(s) Domain-0                                     0  1764     4    
> r-----    726.1 pv-base                                      9   256     1 
>    r-----   1221.1
>
>
> Thanks for any help, I'm a bit stuck at this point...
>
> Best regards.



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