[PC-BSD Testing] Automounting of USB drives - Why is it a problem?

doverosx at gmail.com doverosx at gmail.com
Fri Apr 17 15:52:26 PDT 2009


Jeff wrote:
> I have two different systems with fresh installs of PCBSD and neither 
> will consistently automount any USB device including thumb drives, and 
> an external HD.  One is a seven year old Gateway and the other a four 
> year old Dell.  Both have the device notifier widget.  The USB devices 
> do show up in the info center USB section and the HD additionally in 
> the SCSI list.
>
> The Dell will recognize some thumbdirves but neither will mount the 
> HD.  In PCBSD 1.5.1, I was able to read the HD which was formatted for 
> Windows.
>
> Something screwy with hal.  (Hal: What are you doing Dave?)  [For 
> anyone who remembers 2001, Space Odyssey; Dave is slowly pulling 
> memory modules out, so at least he recognized auto unmount...]  Hal of 
> course, is IBM minus 1.  I'm dating myself.  Ahem...
>
> --- On *Wed, 4/15/09, Arthur /<a-koziol at neiu.edu>/* wrote:
>
>     From: Arthur <a-koziol at neiu.edu>
>     Subject: Re: [PC-BSD Testing] Automounting of USB drives - Why is
>     it a problem?
>     To: "PC-BSD Testing list" <testing at lists.pcbsd.org>
>     Date: Wednesday, April 15, 2009, 7:00 PM
>
>>>         Hello List,
>>>
>>>         For some time now, I have been baffled by one thing: Mac OS
>>>         X somehow has FreeBSD under the hood. When you connect a USB
>>>         stick (flash disk, external drive) to a Mac, it gets
>>>         automounted, yet the same does not happen on FreeBSD.
>>>         I have seen several questions being asked on this list about
>>>         this feature, but the answer is neither here nor there.
>>>         There is even a port (sysutils/automounter) that I believe
>>>         is supposed to help towards this, but again it's not as easy
>>>         as it seems to be.
>>>         Now my question is just one: Why should it be this difficult
>>>         for FreeBSD to have the automount feature within the base
>>>         system?
>>>         If OS X is doing it, Linux is doing it, FreeBSD can do it.
>>>
>>         Mount usb dev, work with it somehow ( copy there or from),
>>         and then NOT umounted it, remove it.
>>         You'll probably get kernel panic and system crash. This
>>         happen in almost all cases.
>>         While BSD -Stable didn't merge new USB stack, which would
>>         behave normal in such situation, auto-mount not good idea.
>>         That's my IMHO :)
>>
>>
>>         Sure, but you haven't seen a Mac OS X panic so far, right?
>>         Perhaps you haven't seen/used any Mac, so you are not to
>>         blame:-)
>>         All I am wondering about is why it cannot happen in FreeBSD
>>         world? 
>
>     I have not had any issues with USB drives auto-mounting on my
>     PC-BSD installs ever.
>
>     Arthur
>
>     _______________________________________________
>     Testing mailing list
>     Testing at lists.pcbsd.org
>     http://lists.pcbsd.org/mailman/listinfo/testing
>               
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Testing mailing list
> Testing at lists.pcbsd.org
> http://lists.pcbsd.org/mailman/listinfo/testing
>   
Perhaps it is a hardware incompatibility? I know that OEMs tend to take 
compatible chipsets and "modify" them, sometimes making them 'better' 
and most of the time making them incompatible with every OS except for 
Windows.




More information about the Testing mailing list