Re: [PATCH] build: prefer sigaltstack over ucontext on Linux

[Fabiano Rosas <farosas@suse.de>]

Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> writes:

> On 24/04/2026 12:51, Peter Maydell wrote:
>
>> The "New World" and "Old World" machines are listed in our
>> MAINTAINERS file as "Odd Fixes", which means:
>> 
>> "It has a maintainer but they don't have time to do
>>   much other than throw the odd patch in."
>> 
>> In other words, there is no active development work ongoing,
>> and nobody with time and interest to investigate complex bugs.
>> If it happens to work for people, that's great. If it doesn't
>> work and somebody proposes a patch then we can review the patch
>> (as we have done for this one). If it doesn't work and nobody
>> proposes a satisfactory patch then it will likely remain broken.
>
> I'm around to do various small bits and pieces, but at least for the short term it's 
> fairly hard to find the extended time that bugs like these require.
>
> Note that MacOS X before 10.2 (including MacOS 9) appear to be timing sensitive to 
> the CUDA interrupts, so that might be another explanation. You could try 
> experimenting with increasing the delay at 
> https://gitlab.com/qemu-project/qemu/-/blob/master/hw/misc/macio/cuda.c?ref_type=heads#L537 
> to see if that helps?
>

Hi, just to let you all know I cannot reproduce this.

MacOS X boots past the initial screen, the installer comes up and
clicking around works fine. With both QEMU 10.0.0 and current master.