Re: Bad system call errors during an upgrade of -current

[Paul Goyette <paul%whooppee.com@localhost>]

On Tue, 11 Feb 2020, Kamil Rytarowski wrote:

> Another question is whether your kernel config contains compat glue for
> old syscalls.

It would also be nice to find out which syscall(s) are missing.  Can you 
use ktrace/kdump (or ktruss) to find out which syscall is returning 
ENOSYS (error number 78).

> On 11.02.2020 02:07, Dustin Marquess wrote:
> > Looking at my history, I did:
> >
> > ./build.sh -O ../obj -T ../tools tools distribution kernel=MYCONFIG modules
> > ./build.sh -O ../obj -T ../tools installmodules=/
> > cp -p /netbsd /onetbsd
> > cp /usr/obj/sys/arch/amd64/compile/MYCONFIG/netbsd /
> > shutdown -r now
> >
> > /stand still has modules for both versions listed.  Went go to install
> > the new userland after the reboot and it never got that far since
> > things started crashing.  Rebooting back into onetbsd seems to work,
> > so I'm fairly certain that it didn't upgrade the userland yet, but
> > I'll double check.
> >
> > On a side note, it would be really nice if the modules stuff got added
> > to https://www.netbsd.org/docs/guide/en/chap-updating.html#updating-procedure
> > so I don't have to keep referring to my old notes every time :)
> >
> > -Dustin
> >
> > On Mon, Feb 10, 2020 at 6:57 PM Kamil Rytarowski <n54%gmx.com@localhost> wrote:
> > > On 11.02.2020 01:49, Dustin Marquess wrote:
> > > > I'm trying to upgrade a VM from a 9.99.10 install that was built
> > > > around Sep 2th to a 9.99.46 install compiled yesterday.
> > > >
> > > > I installed the new kernel and modules and rebooted into the new
> > > > kernel / old userland.  Once done, almost everything crashes with Bad
> > > > system call.  So far "su -", "ls" and even the configure instance the
> > > > a build.sh install kicked off died with one.
> > > >
> > > > Is this a known issue?  I don't believe I missed a step in the upgrade
> > > > instructions...
> > > >
> > > > Thanks!
> > > > -Dustin
> > >
> > > Make sure that you upgraded your kernel and kernel modules before
> > > installing new userland. The otherway around upgrade is not supported
> > > and can break like it (there was an ABI change in struct statvfs).

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