Re: Easy Guide / new tarball

[John Tobey <spam@john-edwin-tobey.org>]

Roland McGrath <roland@frob.com> wrote:
> Use `ps -MA'.  The -M flag avoids messages to processes' message ports,
> which can hang if things are in a bad state.  (You will see less
> information this way.)

Thanks.

> > Is this normal Hurd behavior these days?
> 
> Many people are seeing lossage like this.  I have not seen it myself so as
> to attempt to debug it.

Do you live near Cambridge, Mass.?  You're welcome to come and have a
look.

    Pentium 60MHz
    3c509
    24 MB RAM
    4.3 GB hd0
	hd0s1 /linux ext2 readonly 250MB at offset 0
	hd0s2 / ext2 250MB at offset 250MB
	hd0s5 /install ext2 350MB
	hd0s6 /jtobey ext2 350MB
	hd0s8 Linuxy swap 100MB
    2 NFS mounts, one readonly
    Running several rshd + xterm pairs, some with cwd on nfs.

> > btw, I saw a failed assertion in libdiskfs about an unexpected fault,
> 
> Tell us what it said!!
> 
> > and just now I saw 50 or so like this:
> > 
> >    memory_object_data_request(0x0, 0x0, 0x17000, 0x1000, 0x1) failed, 268435459
> >                                         ^^^^^^^ only this varies
> 
> These messages (from the kernel) are normal fallout from an external pager
> dying (the filesystem servers are external pagers).  So whatever you saw
> before this is most likely the interesting part.

Well, it scrolled by pretty fast with the kernel messages appearing,
but I believe it was libdiskfs/disk-pager.c:93 `env && "unexpected
fault on disk image"'.  I saw this with the last hurd (19990923?) too.

Hope this helps.
-John