From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 10 Jan 1996 10:33:03 -0500
From: G. David Butler gdb@dbSystems.com
Subject: 8 1/2 windows can't be created
Topicbox-Message-UUID: 3a0c773a-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19960110153303.NUhm7pgZNTLqLNP9Tzez-NMiKs0MGdBQ5Pg5nNz_zxE@z>

Has anybody else noticed that when using a 1280x1024x8 (i.e. large)
vga screen, that you can't create two (or more) large overlapping
windows?  The new one you try to create disappears after sweeping
with either New or Resize.

To try to find the culprit I did a direct mount to /srv/8.. and the
mount fails with "no resources".  After increasing kernelpercent to
50 I got it to open bigger windows, but increasing kernelpercent after
that doesn't seem to help (I have 8meg in my PC terminal.)

After looking in the source it seems that the problem may be with a
fixed size array.  In /sys/src/libg/binit.c there is an array
static uchar bbuf[8000] (and _btmp[8000]).  In other places it seems
a malloc would have to fail, and I think there is enough memory.

Before I start changing and rebuilding I thought I would ask if anyone
has run into this and if this was the solution.

David Butler
gdb@dbSystems.com