Re: AMS is 'stuck' around device connect/disconnect
Re: AMS is 'stuck' around device connect/disconnect
- Subject: Re: AMS is 'stuck' around device connect/disconnect
- From: Jeff Moore <email@hidden>
- Date: Tue, 16 May 2006 12:34:25 -0700
There are no device caches like what you are thinking about. /Library/
Preferences/com.apple.audio.DeviceSettings.plist merely stores device
settings that the HAL restores when the device is plugged in.
In some ways, this problem sounds vaguely like a damaged driver
install or something like that. Have you tried a clean install of the
OS followed by a clean install of all the relevant drivers?
On May 16, 2006, at 12:28 PM, Andy Parker wrote:
This is only observed on one machine - a G5 iMac, running 10.4.6. The
affected iMac was connected once to a faulty device. Ever since, any
Firewire or USB audio unit that I connect has this problem. I've tried
deleting
/Library/Preferences/com.apple.audio.DeviceSettings.plist
(even in single user mode), but to no avail. I also tried logging
in with a
different user account, but the effect was the same. My first guess
was that
somewhere there's a broken cache file arising from the original device
connect, but I've not been able to pinpoint it.
On 16/5/06 20:02, "email@hidden"
<email@hidden> wrote:
The sample trace doesn't show anything odd. In fact, it shows the HAL
responding to the notification from IOKit that the device was plugged
in. So there's one possible culprit ruled out.
Have you seen this happen on any other machines? Does this happen
with any piece of hardware or just the one that is broken?
On May 16, 2006, at 9:01 AM, Andy Parker wrote:
Attached is a sample of AMS taken when reconnecting an external
firewire
audio device. I'm unsure if anything was hung, but the contents are
quite
different to those on a working machine. AMS displayed the device as
"Unknown Device". However, when I restarted AMS, it correctly
recognised the
device.
On 15/5/06 20:02, "email@hidden"
<email@hidden> wrote:
That's pretty weird. Have you sampled AMS to see if there are any
hung threads? The description makes it sound like the AMS process
isn't getting notified that the device has been plugged/unplugged.
On May 15, 2006, at 1:46 AM, Andy Parker wrote:
No, both HALLab and Sound Preference panels correctly report the
status of the device. It's just the audio panel in AMS that is
stuck.
On 13 May 2006, at 20:02, <email@hidden>
<email@hidden> wrote:
Does this happen with HALLab or the Sound Prefs panel?
On May 12, 2006, at 12:10 PM, Andy Parker wrote:
I have an iMac running 10.4.6 to which, unfortunately, I
connected
a faulty
audio device. Ever since, this machine has developed some
persistent
weirdness in Audio MIDI Setup.
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--
Jeff Moore
Core Audio
Apple
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