[Xen-users] Kernel configuration options that interact with both Xen and fglrx?

[Jon Brase <jonathan.brase@xxxxxxxxxxxx>]

I have an Ubuntu 14.04 system that I am trying to get Xen running on (so  
far I'm just trying to get Dom0 working properly, I haven't tried setting  
up any DomU's yet). With the stock Ubuntu kernel, my Dom0 actually does  
boot, but displays the issue described here:  
http://lists.xen.org/archives/html/xen-users/2014-04/msg00195.html
This message, however, regards a different issue: I have compiled a custom  
kernel, which boots without trouble without Xen, but on which Xorg hangs  
as soon as it starts under Xen. The hang is the result of an fglrx bug,  
which I had previously only seen to be triggered by two applications in  
fairly specific, reproducible, and avoidable situations. I had previously  
encountered the bug under both the default and custom kernels without Xen.  
For whatever reason, the combination of my custom kernel and Xen causes  
the fglrx bug to be triggered as soon as Xorg is launched. Neither Xen  
with the default kernel nor my custom kernel on its own triggers the fglrx  
bug immediately upon the launch of Xorg.
My question is this: Can anybody give advice as to what kernel  
configuration options might interact with both Xen and fglrx to produce  
this behavior? The bug itself is squarely in fglrx's court (and reporting  
it to AMD went nowhere), but something in my kernel configuration seems to  
be triggering it. Running ./scripts/diffconfig from the top of the kernel  
source tree gives ~2500 lines of output (which I've attached for  
reference), so I'd like to narrow my search space a bit, rather than  
running one or two thousand kernel compiles to find the option that's  
triggering this.
Jon Brase

Attachment: configdiffs.txt
Description: Text document

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users