http://bugs.freedesktop.org/show_bug.cgi?id=23816
Summary: 32bit mesa on 64bit os won't load r600_dri.so due to bad
magic
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: kdeko...@yahoo.com
First the working case.
Using 64 bit Fedora 11 Kernel
radeon kernel modules from agd5f's r600 branch
libdrm from git compile without experimental apis in both 32bit and 64bit
binaries
mesa from git in both 32bit and 64bit binaries
ddx from git
With this setup I can get 64bit and 32bit hardware accelerated 3d, most things
work well.
I tried to do the same thing with the following
drm-next kernel 2.6.31-rc9
libdrm from git compiled with experimentals api in both 32bit and 64bin
binaries
mesa from git in both 32bit and 64bit binaries
ddx from git
mesa in 64bit mode works well. applications run accelerated with no problem.
mesa in 32bit mode fails
LIBGL_DEBUG=verbose gears
libGL: OpenDriver: trying /usr/lib/dri/r600_dri.so
libGL error: failed to get magic
libGL: OpenDriver: trying /usr/lib/dri/swrast_dri.so
file /usr/lib/dri/r600_dri.so
/usr/lib/dri/r600_dri.so: ELF 32-bit LSB shared object, Intel 80386, version 1
(SYSV), dynamically linked, not stripped
also I see in my dmesg
ioctl32(gears:4095): Unknown cmd fd(4) cmd(80046402){t:'d';sz:4} arg(ff8ea6cc)
on /dev/dri/card0
Looks to me like the 32bit mesa is not properly getting the cmd to the 64bit
drm in the kernel.
Since I am in Fedora, I am not running 32bit apps in a chroot. 32bit libs are
in /usr/lib and 64bit libs are in /usr/lib64.
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