I've not tried, but am about to try installing xserver-xorg-core 2:1.6.0-0ubuntu14 and xserver-xorg-video-ati 1:6.12.1-0ubuntu2 from Jaunty, and will report back.
3 backtraces attached, occurring at 2 different places where it seems to get stuck and use all available CPU: #2 0xb7b2896d in drmDMA () from /usr/lib/libdrm.so.2 #3 0xb7ac8b64 in RADEONCPGetBuffer (pScrn=0x821bd90) at ../../src/radeon_accel.c:521 #4 0xb7ad008b in RADEONSetupForSolidFillCP (pScrn=0x821bd90, color=16777215, rop=6, planemask=4294967295) at ../../src/radeon_accelfuncs.c:137 #2 0xb7b6f96d in drmDMA () from /usr/lib/libdrm.so.2 #3 0xb7b0fb64 in RADEONCPGetBuffer (pScrn=0x821bd90) at ../../src/radeon_accel.c:521 #4 0xb7b0fcfb in RADEONCPFlushIndirect (pScrn=0x821bd90, discard=1) at ../../src/radeon_accel.c:575 ** Attachment added: "3 backtraces following lockups, mostly not scrolling" http://launchpadlibrarian.net/29581247/gdb-Xorg-backtraces.txt -- X locks up when scrolling on Radeon Mobility M6 LY https://bugs.launchpad.net/bugs/404331 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp