Re: probing USB

From	nospam <nospam@nospam.invalid>
Newsgroups	comp.sys.mac.system
Subject	Re: probing USB
Date	2014-08-22 14:44 -0400
Organization	A noiseless patient Spider
Message-ID	<220820141444030382%nospam@nospam.invalid> (permalink)
References	(1 earlier) <lt5cke$l2h$3@news.datemas.de> <lt5d1p$tsk$1@dont-email.me> <53f6958b$0$21337$2c56edd9@usenetrocket.com> <lt7tga$r6f$1@dont-email.me> <lt821p$pse$1@dont-email.me>

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In article <lt821p$pse$1@dont-email.me>, Király <me@home.spamsucks.ca>
wrote:

> > If it happens every few weeks, it could be when two or more devices 
> > require a surge of current at the same time. I have a powered hub.  I 
> > don't use the wall wart, but it's there if I need it.
> 
> I'm not so sure that is the case. I have a 4-port non-powered hub with 
> four peripherals permanently connected. Each peripheral has its own 
> power supply (printer, scanner, EyeTV, DVD drive). I also have a 7-port 
> powered hub that only ever has low-power devices connected (iPod 
> shuffle, mouse, various thumb drives) So I'm not so sure it's a power 
> issue.
> 
> I'm more inclined to believe one my my peripherals is going bad and is 
> doing something through the hub that is taking the whole system down, 
> requiring an SMC reset.

usb issues should never cause the smc to be reset. 

the problem could be something else entirely.

> Or maybe one of the hubs itself is bad.

could be.

hard to tell without further investigation.

Thread

probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:04 +0000
  Re: probing USB Alan Baker <alangbaker@telus.net> - 2014-08-21 11:09 -0700
    Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:16 +0000
      Re: probing USB Alan Baker <alangbaker@telus.net> - 2014-08-21 11:17 -0700
        Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-21 18:31 +0000
      Re: probing USB John Albert <j.albert@snet.net> - 2014-08-21 20:58 -0400
        Re: probing USB J Burns <burns4@nowhere.com> - 2014-08-22 13:09 -0400
          Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-22 18:27 +0000
            Re: probing USB nospam <nospam@nospam.invalid> - 2014-08-22 14:44 -0400
            Re: probing USB John Albert <j.albert@snet.net> - 2014-08-23 11:52 -0400
              Re: probing USB me@home.spamsucks.ca (Király) - 2014-08-23 23:17 +0000
        Re: probing USB billy@MIX.COM - 2014-08-22 21:03 +0000
  Re: probing USB nospam <nospam@nospam.invalid> - 2014-08-21 14:12 -0400
  Re: probing USB Darrin "Doc" O'Leary  <droleary@1usenet2014.subsume.com> - 2014-08-21 20:15 +0000
  Re: Probing USB me@home.spamsucks.ca (Király) - 2015-02-08 16:20 +0000
  Re: probing USB Frank <gno52@windstream.net> - 2015-02-10 02:15 -0800

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