Re: 64bit startup

[Samuel Thibault]

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, modulo:

Samuel Thibault, le dim. 28 mai 2023 03:50:56 +0200, a ecrit:
> Samuel Thibault, le dim. 28 mai 2023 03:37:01 +0200, a ecrit:
> > Samuel Thibault, le dim. 28 mai 2023 03:34:50 +0200, a ecrit:
> > > # fdisk -l /dev/wd0
> > > Disk /dev/wd0: 81 MiB, 84934656 bytes, 165888 sectors
> > > Units: sectors of 1 * 512 = 512 bytes
> > > Sector size (logical/physical): 512 bytes / 512 bytes
> > > I/O size (minimum/optimal): 512 bytes / 512 bytes
> > > Disklabel type: dos
> > > Disk identifier: 0xa569a22c
> > > 
> > > Device     Boot Start    End Sectors Size Id Type
> > > /dev/wd0s1 *       63  83967   83905  41M 83 Linux
> > > /dev/wd0s2      83968 165887   81920  40M 82 Linux swap / Solaris
> > 
> > Oddly enough, however, only wd0 and wd2 work. wd1 and wd3 return ENXIO.
> 
> Actually it's wd1 that shows up as wd2...

My wd3 test filesystem thus shows up as wd6 :)
there must be some incoherent minor/major computation somewhere.

Samuel