[Coco] DriveWire 4.3.3o hanging NitrOS-9 on VCC 2.01...Nope

David Ladd davidwladd at gmail.com
Wed Sep 14 01:42:58 EDT 2016


Thank you for sharing indeed.  I am in the process of rebuilding my
DriveWire 4 server that I was running on my Raspberry Pi B.  Going to be
using a Raspberry Pi 3 and knowing these settings will probably help there
as well.

| David Ladd a.k.a. PacoOtaktay a.k.a. Drencor                          |
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On Wed, Sep 14, 2016 at 12:19 AM, William Carlin <whcarlinjr at gmail.com>

> NitrOS-9 Enthusiasts and CoCo Lovers
> I have been experiencing what appeared to be at first random locks of
> NitrOS-9 shortly after bootup when accessing DriveWire 4.3.3o
> After boot, even accessing the 'dw' command by itself would cause my Telnet
> session to lock.  Then I tried right at the console and it would lock.
> Pressing F5 would reboot NitrOS-9 and it would hang right after displaying
> the NitrOS-9 URL.  Using F9 to "power down' VCC and then boot NitrOS-9
> again would do the same thing.  At first I wanted to blame VCC (sorry Bill)
> and even when as far a stripping down the NitrOS-9 drivers to the bare
> minimum and removing SuperIDE support (that I have noticed to be a little
> flaky after heavy reads and writes) and the same thing would happen again
> and again.  Then I realized that this is the same behavior that would
> happen if I started VCC without first starting DriveWire.  Sure enough that
> was the cause.  However, there is nothing wrong with DriveWire 4.3.3o.  It
> has not been updated since 6/21/2013 and my configuration is simple and
> does not change except for what disks I have mounted.  What HAS changed is
> the version of Java VM.  A recent update to 1.8.0_101-b13 seems to have an
> unexpected "feature".  I use a custom heap size to give DriveWire more
> memory to work with in case I decide to create a new disk on the fly and
> keep it in memory until I do a write to file or just kill it.  I looked at
> my config in the Java Control Panel applet and sure enough my custom heap
> size parameters are gone.  I added back my changes '-Xms128m -Xmx512m" and
> no more lockups! This never happened when Sun was running the show.  Just
> though I would share my findings in case someone else was ripping their
> hair out over this.  Us older CoCo guys need to keep what little hair we
> have left.
> CoCo4Life
> William Carlin
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