On Jun 16, 2009, at 12:10 PM, Randy Millsop wrote:
Good day, Janice.
I have a question about one of the fixes listed below, specifically,
"Added a workaround for a bug that causes repeated sounds to hang
the sound subsystem on OS X." I'm wondering if this could have been
causing our server to lock up, requiring a forced reset. The OS X
log files never indicated a specific problem, so I assume the cause
hung the system without any trace of itself in the logs. I'll be
real happy to have a possible explanation:-)
The bug in Apple's Java code only affected sounds and only affected
the Java client. When 'the sound subsystem' hung, the Java
application would no longer play any sounds (it was stuck waiting for
a sound to finish before starting a new one). We don't have any
reason to believe that it would cause a hard freeze of the entire OS.
Here's the history:
First, the 'server' is typically on logged in to a user account for
the purpose of doing updates, though our operations staff my have
logged in and never logged off. The only time IM was actually
opened on the server was to test it immediately following an update.
All IM user activity is done via IM Remote and the web.
Up until V5.0, the server was on a dual 1.25 Ghz G4 tower, mirrored
disks, 1.5 Mb RAM, OS 10.4, and never hiccuped.
Beginning with v5.0 and pre-release NetFlow, I moved to an Xserve,
OS 10.4 server, dual 1.33 G4, 2 Gb RAM, 4 disk RAID.
I installed all Intermapper and Apple updates as they were
released. By IM 5.1 it had hung 3 times, and then had trouble
booting. I had to reinstall the operating system to get it to boot,
so I opted to install OS 10.4 desktop instead of server. It has
since hung 4 times.
When you say 'it had hung', you mean the OS running the InterMapper
server became unresponsive? It sounds like you did not have the Java
InterMapper client running locally on that machine, so this bug could
not have had any effect on it.
-Tex Clayton
Dartware, LLC
http://www.dartware.com
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