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Bug#770231: Amd64-efi installer becomes unresponsive on x86 bios

On November 21, 2014 03:30:13 PM Steve McIntyre wrote:
> [ Re-adding the CC to the bug report ]
> On Thu, Nov 20, 2014 at 10:49:42PM -0500, Samuel Comeau wrote:
> >Hello Steve,
> >
> >The intent of the report was that the installer fails "silently", instead
> >of crashing with human readable output. I seem to recall seeing an
> >installer fail with references to incompatible architecture, but that may
> >be faulty memory.
> Right, OK. I'm not sure about that myself... :-) That answers my
> question, too. How about we re-assign this to the kernel package and
> ask about such a message?

I thought that since there's the installer running, we could put an 
architecture check right there, so when you reach the menu, the installer 
would already be aware what it's running on. So when the amd64 kernel tries to 
start, it would correctly assume it's trying to run on compatible hardware, 
unless the installer prevents it. I'm not sure how that would tie in with the 
other installation methods, however, so it may be best to do as you say and 
let kernel deal with that.

> >I understand from your comment that this behaviour is known, but my
> >pre-bug- report-search didn't turn up any relevant results about "amd64 +
> >installer + (hangs OR stalls OR unresponsive) + x86". The results I get
> >are all about boot time, not installation time, unless I misunderstood
> >something very fundamental. In my understanding, when I reach the
> >installer menu, the boot procedure is complete.
> Correct - at that point you're in Linux with d-i running.

That implies that there is some form of kernel running? Obviously not an amd64 
kernel, if it shows up fine even on x86. Therefore, I assume the arch specific 
kernel gets booted once the user selects an operation to perform.

> --
> Steve McIntyre, Cambridge, UK.                               
> steve@einval.com The two hard things in computing:
>  * naming things
>  * cache invalidation
>  * off-by-one errors                  -- Stig Sandbeck Mathisen


Samuel Comeau
Student in Mechanical Engineering
University of Sherbrooke

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