> Subject: [laptop-discuss] automatic device reconfiguration with snv_49?
>
> I've got an IBM T43p that I use in a docking station at work.
> The dock has an ATA interface and slot for a notebook
> hard drive or CD/DVD drive. For some reason, an interrupt
> is not assigned to the ATA interface (possibly ACPI
> interpreter issues but I don't know). If a drive is plugged
> into the dock slot, snv_49 hangs for a while on boot and
> I get errors and the drive light stays on until the machine
> is shut down.
>
> With older versions of Nevada and Solaris 10 Update 2,
> I can work around the issue. I boot with the drive in
> the dock unplugged, run devfsadm -C to clean up unused
> disk entries (specifically /dev/rdsk/c0*). Then I do a
> reconfiguration boot to ensure all other devices in the
> docks (USB ports, etc) are seen and configured. Then
> I shut down, plug in the drive (used for backups in
> Windows XP) and then boot. The drive is not accessed
> by Solaris and there are no timeouts and the light stays
> off.
>
> However, with snv_49, the device entries seem to be
> created automatically during a normal (not reconfiguration)
> reboot. This did not happen with earlier versions of
> Nevada (I'm not sure about 48).
>
> I'll attach the output of scanpci -v and /var/adm/messages
> so things are a bit clearer. I wonder if there is a way for
> the dock ATA interface to be used with Solaris? Or is
> there a way to prevent snv_49 for doing a reconfiguration
> during normal boot?
>
To disable the implicit reconfiguration during normal boot, you can
add this into /etc/system:
set dev:sdev_reconfig_disable = 1
Then the workaround steps you used on previous releases will still work.
- Lucy
> Thanks,
>
> Stuart
>
> PS - machine is an IBM (Lenovo) T43p with a Dock II
> docking station. Pentium M, 2 GB RAM, ATI FireGL
> V3200, Intel 295abg wifi, etc. Solaris installed on a
> second disk, booted with System Commander installed
> on the original boot disk (Windows XP). I use an external
> Plextor 716UF as the installation drive connected with USB.
>
>
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