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: Andy Parker <email@hidden>
- Date: Tue, 16 May 2006 20:28:48 +0100
- Thread-topic: AMS is 'stuck' around device connect/disconnect
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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