[oi-dev] OI no longer automounts USB sticks

[Gary Mills]

On Fri, Jun 25, 2021 at 12:24:52PM -0700, Joshua M. Clulow via oi-dev wrote:
> 
> It seems like it would be good to figure out, on the systems that _do_
> work, what exactly is performing the mount.  Then we can work
> backwards to why that is no longer happening.

Good idea.  I have a system running an older BE where the automount
does work.  I did exactly what you suggested.

> I would probably do something like...
> 
> 
>     $ pfexec dtrace -w -n '
>         syscall::*mount*:entry {
>             raise(SIGSTOP);
>             system("pargs %d; ptree %d; prun %d", pid, pid, pid);
>         }'

Here's the result.  Probably because I ran it as root, the result was
a bit different from usual, but the mount did succeed.

    <root at ryzen># dtrace -w -n '
    > syscall::*mount*:entry {
    > raise(SIGSTOP);
    > system("pargs %d; ptree %d; prun %d", pid, pid, pid);
    > }'
    dtrace: description '
    syscall::*mount*:entry ' matched 2 probes
    dtrace: allowing destructive actions
    CPU     ID                    FUNCTION:NAME
     10   8968                    umount2:entry 3951:       /usr/lib/hal/hald-addon-storage
    argv[0]: /usr/lib/hal/hald-addon-storage
    1994   /usr/lib/hal/hald --daemon=yes
      1995   hald-runner
        3951   /usr/lib/hal/hald-addon-storage
    
     11   8532                      mount:entry 3955:       mount -o nosuid /dev/dsk/c4t0d0p0:1 /media/STORE N GO
    argv[0]: pcfs_mount
    argv[1]: -o
    argv[2]: nosuid
    argv[3]: /dev/dsk/c4t0d0p0:1
    argv[4]: /media/STORE N GO
    1994   /usr/lib/hal/hald --daemon=yes
      1995   hald-runner
        3954   /usr/lib/hal/hal-storage-mount
          3955   mount -o nosuid /dev/dsk/c4t0d0p0:1 /media/STORE N GO
    
      2   8532                      mount:entry 3951:       /usr/lib/hal/hald-addon-storage
    argv[0]: /usr/lib/hal/hald-addon-storage
    1994   /usr/lib/hal/hald --daemon=yes
      1995   hald-runner
        3951   /usr/lib/hal/hald-addon-storage
    
    ^?

I pressed the interupt key at that point.


-- 
-Gary Mills-		-refurb-		-Winnipeg, Manitoba, Canada-