Re: 64bit startup

[Samuel Thibault]

Samuel Thibault, le dim. 28 mai 2023 23:35:21 +0200, a ecrit:
> Sergey Bugaev, le dim. 28 mai 2023 13:32:12 +0300, a ecrit:
> > On Sun, May 28, 2023 at 04:34 AM Samuel Thibault
> > <samuel.thibault@gnu.org> wrote:
> > > And rumpdisk as well :)
> > >
> > > [   2.9500050] wd3 at atabus5 drive 0
> > > [   2.9500050] wd3: <QEMU HARDDISK>
> > > [   2.9500050] wd3: drive supports 16-sector PIO transfers, LBA48 
> > > addressing
> > > [   2.9500050] wd3: 50001 MB, 101589 cyl, 16 head, 63 sec, 512 bytes/sect 
> > > x 102402048 sectors
> > > [   2.9600050] wd3: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 
> > > 5 (Ultra/100), NCQ (32 tags)
> > > [   2.9600050] wd3(ahcisata0:3:0): using PIO mode 4, DMA mode 2, 
> > > Ultra-DMA mode 5 (Ultra/100) (using DMA), NCQ (31 tags)
> > >
> > > and it seems to be working :D
> > 
> > Yay, this is so cool! You could make an attempt to boot off the rumpdisk 
> > then?
> 
> Yes, it does work

It is however very unstable, I keep getting various crashes in various
processes, most often apparently related to TLS access. Possibly the
addition of a process in the I/O path is triggering much more context
switches and triggers bugs in fs reloading.

Samuel