Re: [Qemu-discuss] Kernel panic when booting from SCSI disk

[Mike Lovell]

On 08/08/2012 11:27 PM, Thomas Oberhammer wrote:
> Thank you for your effort!
>
> Indeed, QEMU emulates a different SCSI controller (LSI 53c895a) than VMware 
> (LSI 53c1030). Unfortunately this needs a different driver (sym53c8xx instead 
> of mptbase).
>
> The kernel only includes the driver needed for VMware, but not the one for the 
> QEMU controller:
>
> #
> # SCSI low-level drivers
> #
> # CONFIG_SCSI_SYM53C8XX_2 is not set
> #
> # Fusion MPT device support
> #
> CONFIG_FUSION=y
> CONFIG_FUSION_SPI=y
> Accordingly, there is no sym53c8xx driver included in the initrd.
>
> This is the reason why there are no /dev/sd* devices and the kernel vainly 
> waits for a root device.
>
> Thus, my initial question is answered, although the problem stays unsolved. 
> Thank you for your time and help!

i was just browsing through the notes about qemu 1.2 that was released 
earlier this morning and thought back to this email thread. there are a 
few new scsi controllers that qemu can emulate. 
http://wiki.qemu.org/ChangeLog/1.2#Device_emulation lists them. none of 
them are the same one that vmware emulates but maybe one of them is one 
that the kernel in your system has support for.

mike