This is for both R5K and R10K O2 systems. It applies to the second 6.3 release (6.3 Including R10000 O2). Customers running the first 6.3 release must upgrade to the second release. Some patches for the first 6.3 release may apply to the second, but in general this isn't true.

To determine which version of IRIX 6.3 you are running, you can execute the following command:

% uname -R

The output will show the following if you are running IRIX 6.3 for O2 (the first release):

6.3

The output will show the following if you are running IRIX 6.3 for O2 including R10000 (the second release):

6.3 O2 R10000

Caveats:

• If Patch 2838 is installed on diskless share trees, the MAKEDEV command must be executed after the patch is installed, on each diskless client before it is rebooted, to avoid a client panic:
  cd /dev; ./MAKEDEV
• An existing problem with the handling of stereo video timing tables can cause the X server to hang if a stereo timing has been selected and made permanent with Xscreen or setmon, and the X server is restarted.  Even though the X server cannot start up, its process stays stuck in memory and cannot be killed. It is necessary to reboot the system in order to recover; after reboot, Xscreen or setmon should be used to make a non-stereo timing permanent (eg "/usr/gfx/setmon -x 1280x1024_72". Then bring the system up in multi-user mode. To avoid this problem, it is suggested that stereo timings not be made permanent.
• After installing patch 2232 or 3027 the tape icon may not appear after the first system reboot. The icon will appear on the second reboot and on all subsequent reboots.
• If you have saved video control panel settings you should remove the files .videopanelrc from all user home directory before installing patch 2485 or 3027. Patch 2485 which is replaced by 3027 changed some default timing parameters that are not compatible with earlier default values in the video control panel. After installing patch 3027 you may have to reselect your user settings and save a new file.
• User running Alias Wavefront Maya on an R10k should not install the patch set. A problem exists which cause horizontal lines to appear when an object movement occurs in front of an image plane. This problem has only been observed on R10k machines.
• A problem has been found with "showcase" on a heavily stressed system running low on available system memory. While drawing a large number of horizontal and vertical lines using "free draw" tool of Master Gizmo, the process of filling of polygons between lines will occassionally be displays incorrectly. The lines will appear to move off of the screen. This problem was analyzed sufficiently to verify that it is; not caused by, any changes in the patch set. The root cause of the problem is believed to be in "showcase" itself and it will be observed on systems which are running low on memory.
• Patch 2037 (which is replaced by patch 2203 and includes the same symptom) has introduced a problem with CosmoCode where any action that brings up a file selection dialog causes CosmoCode to dump core. Users of CosmoCode should not install patch 2203. It is expected that this will be fixed in CosmoCode 2.3 or a future patch.
• If patch 2039 or one of its successors (which includes 3015) is installed on an O2, the system may take as long as 10 minutes to boot. This problem is rare, but has been seen in the field.
• When trying to run any of the available demos, OOBE core dumps and kills X, putting the user back at the login screen.

  Num	Title
  1759	'Browse OutBox Page'/ns_fasttrack error
  1894	Server-based X Num Lock Support
  1959	NFS over TCP server support for 6.3
  1974	gmemusage security hole
  1995	mount_dos 'pwd'/'mv' fix
  2023	Fam fix for netwr_client
  2077	runpriv security hole
  2090	xlock security fix
  2112	6.3 PCI Audio Option support + general audio and MIDI synthesizer bug-fixes
  2133	talkd security
  2144	Mount command rollup for IRIX 6.3
  2148	Automount command rollup for IRIX 6.3
  2153	Multiple fixes for X libraries
  2203	Motif libXm and libSgm fixes for Irix 6.3
  2213	IRIX 6.2/6.3/6.4 ordist Security
  2240	security fix for syserr
  2279	Status monitor fixes for 6.3
  2334	xfsdump/xfsrestore fixes for 6.3-O2-10K
  2383	IRISconsole 1.2 Fixes
  2392	Korean MBWC locale alias/codeset information in iconv spec.
  2413	IRIX 6.3,6.4 Routing Enhancements
  2537	Desktop rollup #2 for 6.3
  2575	libblas incorrect results and performance for 7.1 compilers
  2652	Partial workaround for spurious mouse events
  2684	IRIX 6.3 Networking Commands #2
  2704	Fix for kernel panic in shmiq_rput
  2747	IRIX 6.3 Networking Kernel Rollup #4
  2753	OutBox security fixes
  2812	Irix 6.3 tcsh y2k + fix for POSIX setpgrp()
  2822	Irix 6.3 libadm y2k fixes
  2838	6.3 tape driver fixes and support for additional tape drives
  2852	IGLOO (IrisGL On OpenGL) Rollup for 6.2 and 6.3
  2914	6.3 DCE & DFS 1.1C Base Rollup #2
  2933	O2 IDE for big memory and 250Mhz cpu
  2941	hinv for IRIX 6.3 with O2 Dual Channel support
  2942	X server rollup with O2 Dual Channel support
  2955	CdPlayer repeat Fix
  2972	clogin for 6.3-O2-10K with O2 Dual Channel support
  2984	fix for O2 tserialio and serial drivers
  3015	O2 PROM rollup 4.8
  3016	ST16xx fixes for IRIX 6.3
  3027	6.3 O2 Video Cleanup
  3028	IRIX 6.3 O2 Ethernet Driver
  3036	XFS rollup #6 for 6.3
  3046	CacheFS roll-up #4 for 6.3
  3050	6.3 NFS Kernel Rollup #6
  3057	confidence test for O2 dual channel option board
  3082	libc bug fixes and enhancements + y2k
  3094	Irix 6.3 commands for 'w' and 'ansitape'
  3109	Irix 6.3 commands security + y2k fixes
  3139	libmp rollup
  3151	IRIX 6.3 PPP bug fixes
  3157	Irix 6.3 icrash + y2k fixes
  3186	ONC3 6.3 AutoFS Rollup #3
  3217	Y2K Fixes for Xcalendar
  3229	IRIS Performer 2.2.2 upgrade from 2.2/2.2.1 Documentation
  3247	rld rollup #13
  3253	IRIX 6.3 kernel rollup
  3280	IRIX 6.3 Digital Media bug fixes
  3298	O2 graphics rollup with O2 Dual Channel support
  3319	O2 adaptec rollup

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