Package: grub-pc
Version: 1.98+20100804-14
Hello guys,
Asked this question before on the Xen mailinglist. They recommended
to file a bug to Debian.
I use Debian Squeeze. I want to passthrough PCI devices.
With the old stable Debian (grub legacy) i did not have problems.
I edit /etc/default/grub like:
quote:
GRUB_CMDLINE_XEN_DEFAULT="quiet xen-pciback.permissive
xen-pciback.hide=(00:14.2)(01:05.1)"
I run "update-grub". Now i look at /boot/grub/grub.cfg:
### BEGIN /etc/grub.d/20_linux_xen ###
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 and XEN
4.0-amd64' --class debian --class gnu-linux --class gnu --class os --class xen {
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 5a097ed6-415b-45ff-bba7-d628c92b1f7a
echo 'Loading Linux 2.6.32-5-xen-amd64 ...'
multiboot /xen-4.0-amd64.gz placeholder quiet xen-pciback.permissive
xen-pciback.hide=(00:14.2)(01:05.1)
module /vmlinuz-2.6.32-5-xen-amd64 placeholder
root=/dev/mapper/vg_dom0-lv_root ro quiet
echo 'Loading initial ramdisk ...'
module /initrd.img-2.6.32-5-xen-amd64
}
The "pciback" command is at the "multiboot" line. This does not work? It does
not seize the device after a reboot.
If i use:
quote:
GRUB_CMDLINE_LINUX_DEFAULT="quiet xen-pciback.permissive
xen-pciback.hide=(00:14.2)(01:05.1)"
The result is:
### BEGIN /etc/grub.d/20_linux_xen ###
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 and XEN
4.0-amd64' --class debian --class gnu-linux --class gnu --class os --class xen {
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set 5a097ed6-415b-45ff-bba7-d628c92b1f7a
echo 'Loading Linux 2.6.32-5-xen-amd64 ...'
multiboot /xen-4.0-amd64.gz placeholder
module /vmlinuz-2.6.32-5-xen-amd64 placeholder
root=/dev/mapper/vg_dom0-lv_root ro quiet xen-pciback.permissive
xen-pciback.hide=(00:14.2)(01:05.1)
echo 'Loading initial ramdisk ...'
module /initrd.img-2.6.32-5-xen-amd64
}
root@dom0:/etc# uname -a
Linux dom0 2.6.32-5-xen-amd64 #1 SMP Tue Jun 14 12:46:30 UTC 2011 x86_64
GNU/Linu
Now the "pciback" command is at the "module" line and the device is actually
seized. The problem is that is added to all linux kernels and not only the Xen
kernel.
--
Best regards,
MisterE mailto:[email protected]
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