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"Juan R. de Silva" 06-27-2011 06:04 AM

squeeze hard freeze with fglrx & invisible cursor switching user
I have the following configuration:

Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
ASUSTeK P8P67 Motherboard
ATI Technologies Inc Redwood PRO [Radeon HD 5500 Series] video card.
8GB of RAM
Debian 6.0.2 (squeeze) AMD64

I have two problems with fglrx. (The first listed is definitely worse.)

1. After fresh install of Debian 6.0.1 back in April I installed fglrx
driver found in Synaptic. I accepted a minimal xorg.conf created upon
installation, and the system was running without any freezes until

All at a sudden a couple of weeks ago, I started experiencing hard
freezes after switching a user: a black screen without a cursor, no
response to keyboard, no way to get out but hard reset (power off button).

It does not freeze every time but after several user switches. And it
seems to get worse ever day. It feels like the system is steadily
degrading. Last days I had system frozen at least a couple of times a day.

No traces in logs.

I get back to open source Radeon driver and freezes have gone. But the
difference in performance is drastic: 9027.995 FPS with fglrx and only
around 900-1200 FPS with open source Radeon. (Plus I could not make
to work with open source driver.)

I spend a couple of days on google but only found outdated information.
The most recent was dated year 2008.

2. Another problem using fglrx was, mouse cursor become invisible after
ever single time user switched. Right clicking on a desktop, selecting
any menu option to open any window restored the mouse cursor visible.

This problem does not exist with open source Radeon driver. Mouse cursor
never disappears while switching a user.

I found a lot of links on google but neither of them is similar to my
case, when the problem is resolved by going back to Radeon driver. People
usually loose the mouse cursor upon login and for ever. I've not found
any one relating this problem to fgrx driver.

Can anybody help me with either suggestion or a link to something
helpful, please?

Thank you.

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