Re: [Xen-users] Hypervisor hangs on startup

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Dec 17, 2010 at 11:39:46AM +0100, Arno Toell wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I managed to get the serial terminal working. This is what I get from
> the hypervisor:
> 
> > (XEN) Brought up 16 CPUs                                                    
> >                                                                             
> >      
> > (XEN) *** LOADING DOMAIN 0 ***                                              
> >                                                                             
> >      
> > (XEN)  Xen  kernel: 64-bit, lsb, compat32                                   
> >                                                                             
> >      
> > (XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x16b6000          
> >                                                                             
> >      
> > (XEN) PHYSICAL MEMORY ARRANGEMENT:                                          
> >                                                                             
> >      
> > (XEN)  Dom0 alloc.:   0000000c50000000->0000000c60000000 (12345335 pages to 
> > be allocated)                                                               
> >      
> > (XEN) VIRTUAL MEMORY ARRANGEMENT:                                           
> >                                                                             
> >      
> > (XEN)  Loaded kernel: ffffffff81000000->ffffffff816b6000                    
> >                                                                             
> >      
> > (XEN)  Init. ramdisk: ffffffff816b6000->ffffffff83064200                    
> >                                                                             
> >      
> > (XEN)  Phys-Mach map: ffffffff83065000->ffffffff88f14fb8                    
> >                                                                             
> >      
> > (XEN)  Start info:    ffffffff88f15000->ffffffff88f154b4                    
> >                                                                             
> >      
> > (XEN)  Page tables:   ffffffff88f16000->ffffffff88f61000                    
> >                                                                             
> >      
> > (XEN)  Boot stack:    ffffffff88f61000->ffffffff88f62000                    
> >                                                                             
> >      
> > (XEN)  TOTAL:         ffffffff80000000->ffffffff89000000                    
> >                                                                             
> >      
> > (XEN)  ENTRY ADDRESS: ffffffff81506200                                      
> >                                                                             
> >      
> > (XEN) Dom0 has maximum 16 VCPUs                                             
> >                                                                             
> >      
> > (XEN) Scrubbing Free RAM: done.                                             
> >                                                                             
> >      
> > (XEN) Xen trace buffers: disabled                                           
> >                                                                             
> >      
> > (XEN) Std. Loglevel: Errors and warnings                                    
> >                                                                             
> >      
> > (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)           
> >                                                                             
> >      
> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input 
> > to Xen)                                                                     
> >        
> > (XEN) Freed 176kB init memory.                                              
> >                                                                             
> >      
> > mapping kernel into physical memory                                         
> >                                                                             
> >      
> > Xen: setup ISA identity maps                                                
> >                                                                             
> >      
> > about to get started...                                                     
> >                                                                             
> >      
> > (XEN) Domain 0 crashed: rebooting machine in 5 seconds.   
> 
> 
> Nothing but the last line seem suspicious to me. As said, I'll happily
> provide you debug information, if you tell me what exactly you do need.
> 

Please add "console=hvc0 earlyprintk=xen initcall_debug debug loglevel=10"
options for the dom0 Linux kernel (vmlinuz) and try again.

Btw there was reports of random problems on Dell R710 with *Solaris,
some servers working OK, while others kept crashing, 
all using exact same hardware/software models/versions/firmwares.

-- Pasi


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