[Bug 10023] MergedFB no display on second monitor. 2.6.20, Xorg 7.1, AMD64, R423, PCIE

[bugzilla-daemon at annarchy.freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10023





------- Comment #19 from agd5f at yahoo.com  2007-02-20 15:05 -------
(In reply to comment #18)
> Ok tried the new driver. Xorg bombed out w/ a Sig 11. I attached the entire
> log. Below is the snip-it w/ the backtrace. When I tried to startx w/ the new
> driver it did cause the second display to try and initialize.
> 
> Backtrace:
> 0: X(xf86SigHandler+0x71) [0x48bec1]
> 1: /lib/libc.so.6 [0x2acbb68ec940]
> 2: /usr/lib64/xorg/modules/drivers/radeon_drv.so(RADEONTMDSPowerSet+0x29)
> [0x2acbb7be0c09]
> 3: /usr/lib64/xorg/modules/drivers/radeon_drv.so [0x2acbb7bd074e]
> 4: /usr/lib64/xorg/modules/drivers/radeon_drv.so [0x2acbb7bd0a49]
> 5: /usr/lib64/xorg/modules/drivers/radeon_drv.so(RADEONScreenInit+0x150d)
> [0x2acbb7bd2b0d]
> 6: X(AddScreen+0x236) [0x430666]
> 7: X(InitOutput+0x267) [0x45f017]
> 8: X(main+0x26f) [0x430e5f]
> 9: /lib/libc.so.6(__libc_start_main+0xf4) [0x2acbb68da374]
> 10: X(FontFileCompleteXLFD+0xa1) [0x430339]
> 
> Fatal server error:
> Caught signal 11.  Server aborting
> 

That's because the driver failed to detect the TMDS chip.  When that fails the
sil object doesn't exist so it cannot be accessed, hence the sig11.  You can
add checks for info->extTMDS around the various calls to external TMDS
functions.  Unfortunately, I can't get the sil to respond.  Not sure what needs
to be done yet.


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