v86
v86 copied to clipboard
copy
Buildroot cannot boot when enable ACPI
I created a simple Buildroot image with latest Linux kernel (you can get the .config file below, named buildroot.config in the zip file). The image can boot on v86 without any problem when I do not click the enable ACPI button. But when I tried to enable ACPI, it cannot boot and stop at the image below:
Here is the video of the boot process:
https://user-images.githubusercontent.com/68118236/109418514-52edcb00-79fb-11eb-87f8-a2465df5c22b.mp4
(Sorry for the speed, it's my machine's slow speed, not v86's fault.) You can download the zip file here, which include the buildroot iso and .config file: buildroot.zip
Thanks for any help!
#86 I think this is the issue because they say that acpi breaks some oses.
Actually. It works fine for using both chrome and Firefox in debug and non-debug mode. I wonder if this a timing issue that's made shown by a slow emulation speed? I suspect that editing V86 to enable ACPI without APIC would be a workaround for you
Edit: It just did the same thing for me in Firefox
Last debug log from APIC is
Write config 0x00000700 irq=0x8 vector=0x00 deliverymode=ExtINT (7) destmode=physical is_level=0 disabled=0
The delivery mode ExtINT is unimplemented in V86. We are also missing the NMI delivery mode.
Edit 2; If I'm understanding what I'm reading, these functions seem to be related to multiprocessor functionality, so I'm wondering if it's a mistake that buildroot is trying to call it?
@BenNottelling did you test it with acpi on and off? @raspiduino it is an acpi issue as when i tested it with acpi off it worked but not with it on.
Yeb, no problem when I turn acpi off. I wrote that in the first comment
The image can boot on v86 without any problem when I do not click the enable ACPI button
well then you now have your answer i guess. the issue is acpi dosent work with this. you dont need it anyway soooooo.