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Re: kern/47594: Hang during boot on Xen + CURRENT/6.01 + ASUS M2A-VM

On Mon, Feb 25, 2013 at 07:35:00PM +0000, 
> (okay, I wasn't able to get the uname -a string, since the kernel can't boot 
> up, and I've replaced the user and host names, but other than that, it's 
> accurate)
> >Description:
> I experienced a hang during boot up when the SATA disks are being detected, 
> that is, it would pause at:
> <... more kernel messages ...>
> ahcisata0: <text>
> wd0 <text> <and then a long pause ~1-2minutes>
> wd1 <text> <and then another long pause ~1-2minutes>
> wd2 <text> <and then another long pause ~1-2minutes>
> <and then the boot up just does not advance any further>
> The bug only occurred when I use the XEN3_DOM0 kernel on this particular 
> motherboard, ASUS M2A-VM, which has an Athlon 3600 CPU and ATI SB 600 South 
> Bridge chip. If I use the GENERIC kernel, the hang up does not occur. This 
> problem is not reproducible on my other ASUS motherboard of the about the 
> same vintage, ASUS M2NPV-VM, which has some NVIDIA based south bridge chip. 
> Setting the bios setting to use IDE for the SATA disks vs using the AHCI 
> interface did not make any difference. 

Can you post the dmesg of the GENERIC kernel ?
also, did you look for a BIOS upgrade of this motherboard ?

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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