[Bug 13994] [M6 LY] System lockup when switching VT's

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13994





--- Comment #28 from Tormod Volden <bugzi07.fdo.tormod at xoxy.net>  2008-08-07 13:35:40 PST ---
Devin Grady did some debugging in https://bugs.launchpad.net/bugs/148408

"setting a breakpoint at the entrance to function RADEONEnterVT() shows me that
it gets there and when i continue after that it locks, indicating that the
problem is after the entrance.  After adding breakpoints at the following lines
I saw the corresponding behavior:

9102: did not reach before a crash  (this is right after
RADEONWaitForIdleMMIO(pScrn);)

9093: reached without a crash (right after pInt = xf86InitInt10
(info->pEnt->index);)  upon "next'ing" to advance through the problem area I
find that execution of line 9095 (xf86ExecX86int10 (pInt);) (so i was at this
line and just hit next) causes it to hard-lock."


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