[PC-BSD Testing] More on: Beta 1 balky using 8GB Thumb, contention issue?
yerenkow at uct.ua
Mon Sep 8 21:38:18 PDT 2008
Bill Leeper пишет:
> I can confirm your observations on the thumb drive installations. But
> I would lay it more to the poor read/write speed of a standard flash
> drive. I intend to pick up a high speed flash drive in a month or two
> and try it with that. I would suspect that with a 16 GB high speed
> flash drive it should do much better.
I have external flash drive WD Passport 80Gb, the speed and performance
pretty good; Average user couldn't detect if OS running from normal hard
drive, or from external USB :)
So, I suggest that or BIOS has enabled USB-1.1 (which is safe, bot
sloooooow), or your thumb itself slow one.
I'm planning to buy very fast thumb in late september-october (Like
Corsair Voyager GT), and make some experiments with PcBSD.
> On Sep 8, 2008, at 4:55 PM, Peter Brewster wrote:
>> Some investigation -
>> 1) Confirmed that Xubuntu on a thumb boots and runs well. What I
>> thought was a minor balk is Xubuntu giving to much time to grunt
>> work and not enough priority to human interface.
>> 2) Confirmed that beta-1 takes a long time to boot from a thumb
>> drive and then runs in a very balky manor. Operations are
>> eventually correct but system is not usable.
>> 3) Installed a 7200 rpm disk. Beta-1 install took about 20 minutes
>> vs. three hours to SanDisk thumb. Operation was very nice from the
>> first start. Ksysguard showed similar cpu and memory usage but
>> about 10 fewer processes using disk vs. thumb (137 vs. 147.)
>> Bottom line: I'll give up on the thumb drive for PCBSD . . at least
>> for now.
>> ----- Original Message -----
>> From: Peter Brewster
>> To: Testing at lists.pcbsd.org
>> Sent: Sunday, September 07, 2008 6:26 PM
>> Subject: Beta 1 balky using 8GB Thumb, contention issue?
>> System is 2.8 MHz Celeron with .75 GB RAM, no hard drive, USB 2.0.
>> 1) System had been in use with Xububtu on an 8 GB Ocz thumb. Very
>> nice except an occasional one to two second "balk" when launching a
>> new application or scrolling in Firefox.
>> 2) Removed Ocz and plugged in a new SanDisk thumb, fresh from
>> package. Tried to install from net. DHCP was OK and target FTP was
>> correct. File system went in OK. Looks like install died on first
>> file needed. Gave that up.
>> 3) Burned a three-CD beta-1 set. Installed with Firefox, Office
>> and Development selected on third CD. Install took about three
>> hours but went OK. However from the first reboot some operations
>> took several minutes, either to launch or to so something simple
>> such as pull down a menu. But the actions generally seemed correct
>> if I waited long enough. Now and then a launch would just get lost
>> - including that doggone bouncing thing. The thumb drive had
>> about 900 MB free. System was basically unusable.
>> 4) Removed the SanDisk thumb and WinXP formatted it. (This left
>> the U3 partition of 65 MB. That's OK.) Reinstalled just the two
>> CDs. Took about two-plus hours. Now KDisk Free shows /dev/da0s1a
>> as 76% used with 1.8 GB free. /dev/md0 is 8% used with 700 MB
>> free. This looks OK to me. However there is no apparent change in
>> the balky behavior. I notice that often, while waiting seconds to
>> minutes for some function to appear, clicking on something else will
>> cause the first item to happen. I've seen this behavior when
>> installing very fast disks on systems that worked well with slower
>> disks - usually resolved by paying attention to relative
>> priorities. So system is still not usable.
>> Kris - KDisk also shows a line entry "devfs ? 1 KB 100% used 0
>> free" and the thermometer is filled with red. No slashes around
>> devfs. I have no idea what that is about and don't know if it is a
>> Peter Brewster
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