Re: [BUG] Assertion '(sp == 0) || (peoi[sp-1].vector < vector)' failed at irq.c:1163

[Ian Campbell <ian.campbell@citrix.com>]

On Fri, 2016-01-15 at 13:49 +0100, Håkon Alstadheim wrote:
> 
> On 01/15/2016 01:42 PM, Jan Beulich wrote:
> > > > > On 15.01.16 at 13:32, <hakon@alstadheim.priv.no> wrote:
> > > placed microcode.bin in /boot/microcode.bin
> > > 
> > >    booted with :
> > > ---
> > > xen_commandline        : ssd-xen-debug-marker console_timestamps=date
> > > loglvl=all guest_loglvl=all sync_console iommu=1,verbose,debug
> > > iommu_inclusive_mapping=1 com1=115200,8n1 console=com1
> > > dom0_max_vcpus=4
> > > dom0_vcpus_pin=1 dom0_mem=8G,max:8G cpufreq=xen:performance,verbose
> > > tmem=1 sched_smt_power_savings=1 apic_verbosity=debug e820-verbose=1
> > > core_parking=power ucode=microcode.bin
> > > ---
> > This can't work - did you look at the command line documentation?
> > You can't specify a file name here - there's no file system driver
> > inside the hypervisor, and hence it can't read files (it instead has
> > to rely on the boot loader bringing those into memory for it).
> Get with the times :-) . Under EFI it most definitely wants a file-name. 
> Not entirely sure about the file FORMAT though.
> 
>  From xen-command-line.html
>   "Note further that use of this option has an unspecified effect when 
> used with xen.efi (there the concept of modules doesn't exist, and the 
> blob gets specified via the ucode=<filename> config file/section entry; 
> see EFI configuration file description).
> 
>  From efi.html
> 
>   "ucode=<filename>
> 
>      Specifies a CPU microcode blob to load. (x86 only)

This needs to go in your xen.cfg file (alongside kernel= ramdisk= etc), not
on the xen command line.

Ian.

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