[Pkg-xen-devel] Bug#785187: Bug#785187: xen-hypervisor-4.5-amd64: Option ucode=scan is not working

Stephan Seitz stse+debianbugs at fsing.rootsland.net
Thu May 14 20:45:20 UTC 2015


On Wed, May 13, 2015 at 11:57:55AM -0400, Konrad Rzeszutek Wilk wrote:
>> > according to the documentation the option ucode=scan should tell XEN to
>> > look for a microcode update in an uncompressed initrd.
>> >
>> > While I don’t use the Debian kernel the tools to generate the initrd are
>> > part of Debian. The command „cpio -i < /boot/initrd.img-4.0.2-Dom0”
>> > creates the directory structure „kernel/x86/microcode/GenuineIntel.bin”,
>> > so I think the initrd is allright.
>Is the initramfs compressed? The scanning code can't deal if the 

[stse at osgiliath]: file /boot/initrd.img-4.0.2-Dom0 
/boot/initrd.img-4.0.2-Dom0: ASCII cpio archive (SVR4 with no CRC)

I don’t think the initrd is compressed.

http://lists.xen.org/archives/html/xen-users/2014-05/msg00053.html says 
that I have to use „cpio -H newc” not „cpio -o c”, but I don’t know how 
the Debian tools create the initrd.

Shade and sweet water!

	Stephan

-- 
| Stephan Seitz          E-Mail: stse at fsing.rootsland.net |
| Public Keys: http://fsing.rootsland.net/~stse/keys.html |
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