Re: ctfmerge i/o error

[RVP <rvp%SDF.ORG@localhost>]

On Wed, 14 Dec 2022, Patrick Welche wrote:

> > > ERROR: ctfmerge: netbsd.ctf: Cannot finalize temp file: I/O error:
> > > Operation already in progress
> > > *** Error code 1
> > >
> > > which is not a message I recognize. FWIW /usr/obj is a ZFS filesystem, but
> > > this hasn't caused trouble so far...
> > >
> > > Thoughts?
> >
> > Can you ktrace to find out what syscall caused EALREADY. zfs uses EALREADY
> > for TX_WRITE, when a block is already being synced according to my quick
> > glance to the code. I am not sure how this stuff is supposed to work, but
> > I don't think that this error is supposed to be returned by filesystem
> > related syscalls, but only for connect(2)?
>
> and of course now it is no longer reproducible. I note that that ZFS
> partition now has more free space than earlier, so I will guess the
> error message might mean "out of space"...

Could also be an errno set by the pthreads stuff in ctfmerge. lwp_park()
also returns EALREADY.

-RVP