X memory leak with desktop effects enabled.

[Jose Ildefonso Camargo Tolosa]

Greetings,

I have been observing a serious (~1GB/hour) memory leak while I keep
desktop effects enabled.

I am running Kubuntu 14.04, no X-related ppa enabled.  I am using AMD
proprietary drivers on a AMD R9 270X adapter.  I have the feeling this
could be driver-related, however, when I disabled the proprietary driver I
had a hard time getting the system to boot (would hang with a black screen,
related to "radeon" kernel module).  I do not really remember the kernel
command line I used to bring it back to a text console, but I know it
included: radeon.blacklist = yes radeon.modeset=0 single , among others
(just including "single" would hang just after loading radeon kernel
module).  For now, I am working without desktop effects, but it is kinda
boring.

My video adapter:

0000:01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Curacao XT [Radeon R9 270X] [1002:6810]

has anybody experienced a similar problem?

Thanks!

Ildefonso
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