Messages in this thread | | | Subject | Re: Dropped IRQ disables Radeon 3D | Date | Fri, 15 Jul 2011 10:53:41 -0000 | From | Michael Witten <> |
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On Fri, 15 Jul 2011 19:09:44 +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2011-07-15 at 08:20 +0000, Michael Witten wrote: >> >> Arnuschky wrote to me about this related Debian bug report: >> >> Fri, 2010-06-18 10:21:05 +0000 >> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=586312 >> >> I popped over to #radeon on freenode where user agd5f told me to >> try the following on the kernel command line: >> >> pci=nomsi >> >> After reading about MSIs and the requisite CONFIG_* settings, I >> realized that I didn't even have MSI support in the kernel anyway. >> Then agd5f suggested the following patches by Benjamin Herrenschmidt >> might be of help: > > Another problem I noticed is some cards, when not using MSIs, still seem > to shoot an MSI with whatever value was last programmed into the MSI > configuration space. Can you check with lspci -vv if there's a non-0 > value in there ? It -could- be that your get bogus MSIs.
So, you want me to boot my Linux version that doesn't have MSI support and check whether `sudo lspci -vv' says that it is using MSIs?
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