Messages in this thread | | | Date | Wed, 18 Oct 2006 08:01:17 +0100 (IST) | From | Dave Airlie <> | Subject | Re: Intel 965G: i915_dispatch_cmdbuffer failed (2.6.19-rc2) |
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Does the DRM git tree work would also be interesting,...
I haven't merged up Michel's drawable/blank changes for 2.6.19 as they were much too new for it, but do we have a backwards compat issue perhaps or something similiar?
Dave.
On Wed, 18 Oct 2006, Keith Whitwell wrote:
> This is all a little confusing as the driver doesn't really use that > path in normal operation except for a single command - MI_FLUSH, which > is shared between the architectures. In normal operation the hardware > does the validation for us for the bulk of the command stream. If there > were missing functionality in that ioctl, it would be failing > everywhere, not just in this one case. > > I guess the questions I'd have are > - did the driver work before the kernel upgrade? > - what path in userspace is seeing you end up in this ioctl? > - and like Keith, what commands are you seeing? > > The final question is interesting not because we want to extend the > ioctl to cover those, but because it will give a clue how you ended up > there in the first place. > > Keith > > Keith Packard wrote: >> On Tue, 2006-10-17 at 13:40 -0400, Ryan Richter wrote: >> >>> So do I want something like >>> >>> >>> static int do_validate_cmd(int cmd) >>> { >>> return 1; >>> } >>> >>> in i915_dma.c? >> >> that will certainly avoid any checks. Another alternative is to printk >> the cmd which fails validation so we can see what needs adding here. >> >> >> >> ------------------------------------------------------------------------ >> >> ------------------------------------------------------------------------- >> Using Tomcat but need to do more? Need to support web services, security? >> Get stuff done quickly with pre-integrated technology to make your job easier >> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >> >> >> ------------------------------------------------------------------------ >> >> -- >> _______________________________________________ >> Dri-devel mailing list >> Dri-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/dri-devel > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > -- > _______________________________________________ > Dri-devel mailing list > Dri-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dri-devel >
-- David Airlie, Software Engineer http://www.skynet.ie/~airlied / airlied at skynet.ie Linux kernel - DRI, VAX / pam_smb / ILUG
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