http://bugs.freedesktop.org/show_bug.cgi?id=19621
Summary: Xorg crashed with SIGFPE in miScreenInit()
Product: xorg
Version: git
Platform: Other
URL: https://bugs.launchpad.net/ubuntu/+source/xorg-
server/+bug/317957
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
Created an attachment (id=22041)
--> (http://bugs.freedesktop.org/attachment.cgi?id=22041)
fix FPE in libfb
The radeon driver under strange situations when plugging/unplugging an external
display can call fbScreenInit with 0 dpi, leading to an FPE.
stack:
miScreenInit ()
fbFinishScreenInit () from /usr/lib/xorg/modules//libfb.so
fbScreenInit () from /usr/lib/xorg/modules//libfb.so
?? () from /usr/lib/xorg/modules/drivers//radeon_drv.so
AddScreen ()
Attached is a patch to fix the FPE.
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