Re: Installing on Loongson2f causing sysinst segmentation fault

[manphiz <manphiz%gmail.com@localhost>]

On Thu, Dec 16, 2021 at 8:13 AM manphiz <manphiz%gmail.com@localhost> wrote:
>
> On Thu, Dec 16, 2021 at 2:50 AM Martin Husemann <martin%duskware.de@localhost> wrote:
> >
> > Can you give me a short description of your working 8.x installation and
> > a few details about the upgrade you tried?
>
> Hi Martin,
>
> Will do my best and please see the replies below.
>
> >
> > How do you boot the installer, is it on a USB stick?
>
> I put the installer and kernel onto the ext2 partition and instructed
> PMON to find it on this drive.  I tried to use a USB drive but somehow
> PMON cannot find it through (usb0,0) even though usbtree can show the
> device is connected so I gave up on it.  This is also why I tried to
> preserve the ext2 drive during the installation.
>
> > What is the target disk you installed to (or where you want to upgrade
> > the system)?
>
> I tried to install it to /dev/wd0.
>
> >
> > If the target disk is wd0, I would like to see output of a few commands
> > and your (netbsd 8.x) /etc/fstab - please feel free to mail me the details
> > off-list.
>
> Here it is:
>
> yeeloong-netbsd$ cat /etc/fstab
> # NetBSD /etc/fstab
> # See /usr/share/examples/fstab/ for more examples.
> /dev/wd0a               /       ffs     rw               1 1
> /dev/wd0b               none    swap    sw,dp            0 0
> kernfs          /kern   kernfs  rw
> ptyfs           /dev/pts        ptyfs   rw
> procfs          /proc   procfs  rw
> /dev/cd0a               /cdrom  cd9660  ro,noauto
> tmpfs           /var/shm        tmpfs   rw,-m1777,-sram%25
>
> >
> > I am interested in the output of (assuming wd0 is your target disk):
> >
> >         fdisk wd0
>
> yeeloong-netbsd# fdisk wd0
> Disk: /dev/rwd0
> NetBSD disklabel disk geometry:
> cylinders: 310101, heads: 16, sectors/track: 63 (1008 sectors/cylinder)
> total sectors: 312581808, bytes/sector: 512
>
> BIOS disk geometry:
> cylinders: 1024, heads: 255, sectors/track: 63 (16065 sectors/cylinder)
> total sectors: 312581808
>
> Partitions aligned to 2048 sector boundaries, offset 2048
>
> Partition table:
> 0: Linux native (sysid 131)
>     start 2048, size 3903488 (1906 MB, Cyls 0-243/27/40)
>         PBR is not bootable: All bytes are identical (0x00)
> 1: NetBSD (sysid 169)
>     start 4194304, size 308387504 (150580 MB, Cyls
> 261/21/17-19457/80/63), Active
>         PBR is not bootable: Bad magic number (0x195f)
> 2: <UNUSED>
> 3: <UNUSED>
> First active partition: 1
> Drive serial number: 1405439929 (0x53c54fb9)
>
> >         disklabel wd0
>
> yeeloong-netbsd# disklabel wd0
> # /dev/rwd0:
> type: unknown
> disk: ESDI/IDE disk
> label:
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 16
> sectors/cylinder: 1008
> cylinders: 310101
> total sectors: 312581808
> rpm: 3600
> interleave: 1
> trackskew: 0
> cylinderskew: 0
> headswitch: 0           # microseconds
> track-to-track seek: 0  # microseconds
> drivedata: 0
>
> 16 partitions:
> #        size    offset     fstype [fsize bsize cpg/sgs]
>  a: 287414064   4194304     4.2BSD   4096 32768     0  # (Cyl.   4161*- 289294*)
>  b:  20973440 291608368       swap                     # (Cyl. 289294*- 310100)
>  c: 312581808         0     unused      0     0        # (Cyl.      0 - 310100)
>
> >
> > (I might need a few more details depending on the output here)
> >
> > Did you try a new installation or upgrading?
>
> I actually tried both installation and upgrading.
>
> For installation, when booting from netbsd-INSTALL_LOONGSON from 9.2,
> as soon as I tried to mark the NetBSD parition active the sysinst will
> crash with the error I posted in the first mail.  This doesn't happen
> with the sysinst from 8.2.
>
> After I installed 8.2-RELEASE, I also tried to upgrade to 9.2 using
> the 9.2-RELEASE sysinst.  As I don't have to change the disk I passed
> the aforementioned part that could crash sysinst.  However, when
> downloading the sets for installation sysinst spammed the screen with
> errors saying disk full.  I had to kill the process and found out that
> the sysinst tried to unpack everything into the ramfs instead of the
> mounted wd0.  I suspect this is also what caused the previous error.
>
> As I can have an 8.2 system now I made a few more attempts on trying
> to upgrade to 9.2 or current.
>
> I first tried the daily snapshot which ended up with the same errors
> as the 9.2-RELEASE installer.  So this is a no-go and confirms that
> the issue is still present in the latest snapshot.
>
> I then tried to use the 8.2-RELEASE sysinst and upgrade by pointing to
> the 9.2-RELEASE sets, which actually finished and I seemed to have got
> a working 9.2 installation that I can boot. However, after some use I
> found that on this 9.2 system anything could randomly crash in
> segmentation fault when building something in pkgsrc: gcc, sh, mv,
> mkdir, etc.  Anything could crash at any time randomly.  Initially I
> thought maybe I used the wrong kernel, so I tried both 9.2 kernels and
> 8.2 kernels with elf64 or elf32 variants, but nothing helped. On the
> contrary, the properly installed 8.2 system is rock solid.  So I
> suspect using the 8.2 installer to install 9.2 sets ended up in
> something seriously wrong, which I hope doesn't mean the 9.2 cannot
> work on my Yeeloong box anymore.  If needed I can try to provide more
> info or file a proper bug report.
>
> Thanks, and let me know if any more information may be helpful.
>
> >
> > Thanks
> >
> > Martin

FYI I've filed port-mips/56563 as Jan suggested with the outputs
requested by Martin.  I've left out the core dump issue of the mixed
upgraded system for now and will revisit once I have a working
installer for testing.

Thanks.