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| Hello! kcdffee interesting kcdffee site! I'm really like it! Very, very kcdffee good! | | Hello! kcdffee interesting kcdffee site! I'm really like it! Very, very kcdffee good! |
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| ==AMD installer script completes, fglrx X driver loads, fglrxinfo reports error==
| | Very nice site! |
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| Xorg.log reports 2d/3d acceleration disabled, DRI disabled and uki errors related to /proc/ati files. AMD control panel works.
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| This can happen if there is a problem w/ the AMD installer compiling the fglrx.ko kernel module. The installation completes anyway with the fglrx Xorg driver in place. As per 2.6.42.9 and the 12.1 AMD driver there was a compile error in/usr/src/fglrx-8.93/firegl_public.c, due to TS_USEDFPU macro not being defined. Other compile-time errors will produce a similar problem. Check the contents of /usr/share/ati/fglrx-install.log, note if there was a compile error. If so, re-running the AMD installer will not fix the problem since the compile error will just recur. Likewise, patching the bug ie
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| http://phoronix.com/forums/showthread.php?68922-Patch-to-compile-fgrlx-module-on-Linux-3-3-rc4-with-x86-32-bit-arch
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| and then reinstalling won't help either since the installer re-extracts the source from the archive. To fix, apply whatever fix is required to the sourcecode that the installer leaves in /usr/src/fglrx-xxx and use dkms to compile and install the driver.
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| dkms add fglrx/8.93 /usr/src/fglrx-8.93<BR>
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| dkms build fglrx/8.93<BR>
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| dkms install fglrx/8.93<BR>
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| Apply fixes to the fglrx source and repeat the dkms build step until the build completes, then install & reboot. Check lsmod output to see if fglrx.ko is loaded, confirm DRI and proc stuff in Xorg.log is working.
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| In the 2.6.42.9 w/ 12.1 bug case, the fix is to add the TS_USEDFPU ifdef in firegl_public.c as below;
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| void ATI_API_CALL KCL_fpu_begin(void)<BR>
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| {<BR>
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| <nowiki>#ifdef CONFIG_X86_64</nowiki>
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| kernel_fpu_begin();
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| <nowiki>#else</nowiki><BR>
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| <nowiki>#ifndef TS_USEDFPU</nowiki>
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| preempt_disable();
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| if (__thread_has_fpu(current))
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| __save_init_fpu(current);
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| <nowiki>#else</nowiki>
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| struct thread_info *cur_task = current_thread_info();
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| preempt_disable();
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| if (cur_task->status & TS_USEDFPU)
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| __save_init_fpu(cur_task->task);
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| <nowiki>#endif</nowiki>
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| else
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| clts();
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| <nowiki>#endif</nowiki>
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| }
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| ==References== | | ==References== |
