re: x86 bootstrap features

2019-09-24 Thread Andreas Gustafsson
matthew green wrote: > more research with more systems would be good here, but perhaps > we simply need to provide multiple versions of each style (eg, > netboot + something, biosboot + something, etc.) Does anyone know the reason for the pxeboot 64k limit, and if it might be possible to increase

Re: x86 bootstrap features

2019-09-24 Thread Mouse
>> And last question; should we have a build-time check that >> pxeboot_ia32.bin is smaller than 64 kB? I recall, once, reading of someone who had packed some kind of CLI into an incredibly small space by realizing that speed was pretty close to the last consideration and had written it in an inte

re: x86 bootstrap features

2019-09-24 Thread matthew green
Emmanuel Dreyfus writes: > Generally speaking, does anyone see any usage fpr GPT and RAIDframe > support, or multiboot 2 support for dosboot, pxeboot and netboot? If > not, we could disable the features for that boostraps, which would > save space for later. i use raidframe and gpt with pxeboot.

Re: x86 bootstrap features

2019-09-24 Thread Emmanuel Dreyfus
Kamil Rytarowski wrote: > qemu-system-i386 works, but -x86_64 not. > > Are there plans to add it to the amd64 kernel? Yes, I am working on it, but don't hold your breath. -- Emmanuel Dreyfus http://hcpnet.free.fr/pubz m...@netbsd.org

Re: panics/lock-ups while tcpdump-ing

2019-09-24 Thread Edgar Fuß
> I recently experienced a bunch of panics and lock-ups while tcpdump-ing on > an 8.1/amd64 machine over ssh. The net I was tracing was different from the > one the ssh connection was on. We had a panic with a backtrace similar to the loc-up in (2.) today: panic: sbappendaddr backtrace: breakpoi

Re: x86 bootstrap features

2019-09-24 Thread Kamil Rytarowski
On 24.09.2019 14:26, Emmanuel Dreyfus wrote: > On Tue, Sep 24, 2019 at 01:31:51PM +0200, Kamil Rytarowski wrote: >> My use-case is "qemu-system-x86_64 -kernel ./netbsd". Last I tried (with >> multiboot2 patches merged) it still did not work. > > I did not commit anything in multiboot support in th

Re: x86 bootstrap features

2019-09-24 Thread Emmanuel Dreyfus
On Tue, Sep 24, 2019 at 01:31:51PM +0200, Kamil Rytarowski wrote: > My use-case is "qemu-system-x86_64 -kernel ./netbsd". Last I tried (with > multiboot2 patches merged) it still did not work. I did not commit anything in multiboot support in the NetBSD kernel, I only worked on bootstraps for now,

Re: x86 bootstrap features

2019-09-24 Thread Kamil Rytarowski
On 24.09.2019 13:28, Emmanuel Dreyfus wrote: > Hello > > I recently added features to x86 bootstraps (GPT and RAIDframe support, > multiboot 2), which caused the files to grow. That causes troubles: > > - I had to disable multiboot 2 for dosboot, otherwise the binary gets too > big and the buil

x86 bootstrap features

2019-09-24 Thread Emmanuel Dreyfus
Hello I recently added features to x86 bootstraps (GPT and RAIDframe support, multiboot 2), which caused the files to grow. That causes troubles: - I had to disable multiboot 2 for dosboot, otherwise the binary gets too big and the build fails. - In kern/54560, it seems we discovered pxeboot_ia