Am 13.05.15 um 15:41 schrieb Ian Campbell:
I think I remember some discussion of something in this area not too
long ago on xen-devel. CC-s added.
I assume you refer to this discussion which happend to be on the
xen-users mailing list:
http://lists.xen.org/archives/html/xen-users/2014-05/msg00052.html
Especially look at the first answer
(http://lists.xen.org/archives/html/xen-users/2014-05/msg00053.html).
Following those points mentioned in there should get you up and running
- unless there's really a bug lurking somewhere.
My guess is that the cpio archive was not created with the (required)
cpio option "-H newc".
Regards Atom2
Konrad, do you know of any issues with ucode=scan in 4.4?
On Wed, 2015-05-13 at 10:27 +0200, Stephan Seitz wrote:
Package: xen-hypervisor-4.5-amd64
Version: 4.5.0-1
Severity: normal
Dear Maintainer,
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.
But according to /proc/cpuinfo the microcode update doesn’t happen. If
I copy GenuineIntel.bin to /boot, create a new module section in grub.cfg
and boot with ucode=-1, then the update is working. In both cases dmesg
or „xl dmesg” don’t tell anything about microcode updates (successfull or
not).
The option ucode=scan doesn’t work with XEN 4.4 either or with 3.6
kernels.
-- System Information:
Debian Release: stretch/sid
APT prefers oldoldstable-updates
APT policy: (500, 'oldoldstable-updates'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.0.2-Dom0 (SMP w/8 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)
xen-hypervisor-4.5-amd64 depends on no packages.
Versions of packages xen-hypervisor-4.5-amd64 recommends:
ii xen-utils-4.5 4.5.0-1
xen-hypervisor-4.5-amd64 suggests no packages.
-- no debconf information
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