2010/2/9 Catalin Patulea <c...@vv.carleton.ca>: > Hmm, I was able to get the driver working, but I have some more > questions; let me first give you some background. > > My box is a Dell PowerEdge 1600SC server with an integrated ATI Rage XL: > $ sudo lspci -vs 0e > 00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) > Subsystem: Dell Device 0135 > Flags: bus master, VGA palette snoop, stepping, medium devsel, > latency 32 > Memory at fd000000 (32-bit, non-prefetchable) [size=16M] > I/O ports at e800 [size=256] > Memory at fe121000 (32-bit, non-prefetchable) [size=4K] > [virtual] Expansion ROM at c0000000 [disabled] [size=128K] > Capabilities: [5c] Power Management version 2 > > I'm fairly sure it has 8M of video RAM -- not sure why that says 16M. > Perhaps that's just the size of the window but only 8M is physically > present. > > I have compiled the kernel mach64 DRM driver from Archlinux, posted by > Alexander Lam (many thanks for that), and it seems I can enable DRI > with 1024x768x16, but I get the following (EE): > (II) MACH64(0): [DRI] installation complete > (II) MACH64(0): [drm] Added 128 16384 byte DMA buffers > (II) MACH64(0): [drm] Mapped 128 DMA buffers at 0xb66db000 > (EE) MACH64(0): [drm] Couldn't find IRQ for bus id 0:14:0 > (II) MACH64(0): [drm] Falling back to irq-free operation > (II) MACH64(0): Direct rendering enabled > > Given the (II) following it, this seems to be more of a warning. > Indeed, the device doesn't have an IRQ in lspci or /proc/interrupts. > Is there anything I can do about this? Any particular performance > issues I should see due to lack of an IRQ?
I don't know if there are performance issues without an IRQ, but for my computer's add-on AGP card, there is a jumper labeled "INTVGA" that enables/disables the IRQ. Perhaps check your system's manual? -- Alexander Lam ------------------------------------------------------------------------------ The Planet: dedicated and managed hosting, cloud storage, colocation Stay online with enterprise data centers and the best network in the business Choose flexible plans and management services without long-term contracts Personal 24x7 support from experience hosting pros just a phone call away. http://p.sf.net/sfu/theplanet-com -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel