Re: r316677:EFI boot failure: Can't load kernel

Am Mon, 10 Apr 2017 21:59:00 +0300
Toomas Soome <tsoome_at_me.com> schrieb:

> > On 10. apr 2017, at 21:04, O. Hartmann <o.hartmann_at_walstatt.org> wrote:
> > 
> > Am Mon, 10 Apr 2017 16:14:21 +0300
> > Toomas Soome <tsoome_at_me.com> schrieb:
> >   
> >>> On 10. apr 2017, at 15:58, Hartmann, O. <ohartmann_at_walstatt.org> wrote:
> >>> 
> >>> After today's update to r316677, some UEFI boxes (Fujitsu Celsius M740
> >>> XEON) reject to boot properly. They die immediately after
> >>> loading /boot/loader.efi and jump into loader prompt:
> >>> 
> >>> [...]
> >>> \
> >>> can't load 'kernel'
> >>> 
> >>> 
> >>> I had to investigate with an USB flashdrive the filesystem, but
> >>> everything seems to be properly in place and installed.
> >>> 
> >>> I need advice how to revive the system after this.
> >>>   
> >> 
> >> 
> >> hm, this implies that r316676 was ok? If so, the only logical conclusion is that it
> >> hast to do about the kernel size and if there is enough space in UEFI memory to place
> >> the kernel.
> >> 
> >> You can fetch the current memory map from loader OK prompt with memmap command, I
> >> hope this will help to identify the issue.
> >> 
> >> rgds,
> >> toomas  
> > 
> > 
> > And?
> > 
> > Regrads,
> > 
> > oh
> >   
> 
> Well, the memory needed is starting from the:
> 
> #define KERNEL_PHYSICAL_BASE (2*1024*1024)
> 
> and it should be large enough for kernel. But it feels a bit like barking under the
> random tree; the problem is that the error is not telling us anything why it did
> happen:(
> 
> This message you get is coming from sys/boot/common/boot.c, as part of the autoload
> sequence; did you try to load kernel manually with load command? also if you have old
> kernel around, does old kernel get loaded?
> 
> rgds,
> toomas
> 
> 
> 
> 

I haven't done anything yet, since the accident happened when I left my bureau and I
desperately tried to examine on the fly what happened.

I'll be at the box tomorrow morning and I will check whether I can load the old kernel
manually.

I'll report in what happened.

Kind regards,

oh

-- 
O. Hartmann

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