Damien Zammit <[email protected]> writes:

> This seems problematic:
>
> Failed to set ACPI PIC mode: Input/output error
>
> That would not be good, are you using the exact same gnumach versions?

Yes, exactly the same. It was done immediately one after the other (and
reproduced twice) for Andreas.

I have not been able to reproduce yet on 32-bit, Andreas tested 64-bit
only, and I haven't tried 64-bit yet.

>
> Damien
>
> Sent from Proton Mail Android
>
>
> -------- Original Message --------
> On 27/3/26 12:01 pm, Damien Zammit <[email protected]> wrote:
>
>>  Yes, changing the machine type adds an AHCI disk controller instead of an 
>> IDE one.
>>  So there seems to be a problem with piixide driver.
>>  
>>  Damien
>>  
>>  Sent from Proton Mail Android
>>  
>>  
>>  -------- Original Message --------
>>  On 27/3/26 9:11 am, Sam James <[email protected]> wrote:
>>  
>>  >  Hi,
>>  >  
>>  >  For a friend (Andreas, cc'd), this fails:
>>  >  
>>  >  $ qemu-system-x86_64 -drive "file=/tmp/hurd.ext2,format=raw" \
>>  >    -accel kvm -m 8G -serial mon:stdio
>>  >  
>>  >  while this works (just adding '-M q35'):
>>  >  
>>  >  $ qemu-system-x86_64 -drive "file=/tmp/hurd.ext2,format=raw" \
>>  >    -accel kvm -m 8G -M q35 -serial mon:stdio
>>  >  
>>  >  Versions:
>>  >  * gnumach: snapshot from debian's repo [0] (debian/2%1.8+git20260224-4,
>>  >    but no patches applied from there)
>>  >             
>>  >  * hurd: snapshot from debian's repo [1] (debian/1%0.9.git20251029-7,
>>  >    but no patches applied from there)
>>  >  
>>  >  * qemu: 10.2.0
>>  >  
>>  >  [0] 
>> https://salsa.debian.org/hurd-team/gnumach/-/tree/23f9089de7f27aaac94d35212bbb39b4b1772eba
>>  >  [1] 
>> https://salsa.debian.org/hurd-team/hurd/-/tree/b57889c52cc0496a4ecb3ef74a9e30ca0fc22359
>>  >  
>>  >  I've attached serial console output for both boots.
>>  >  
>>  >  
>>  >  thanks,
>>  >  sam
>>  >  

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