On Mon, 24 Mar 2003, Keith Whitwell wrote: > Dave Airlie wrote: > > I've just had the misfortune of having my NFSROOT system (lots of network > > interrupts), have its card sharing interrupts with the i810 graphics.. > > once I run anything 3d the kernel oops.. > > > > The attached patch contains the quick fix which is to check in thr irq > > handler if dev->dev_private is NULL or not before going using it .. also a > > udelay patch included which I think the DRI tree has but the LK one > > doesn't....(arrgg too many trees :-).. > > > > I've attached a second patch to > > xc/xc/programs/Xserver/hw/xfree86/drivers/i810/i810_dri.c that may also > > fix the problem but which I haven't tested, > > > > What happens is the DMA cleanup occurs which frees the private data, and > > an interrupt comes in from the network card most likely but the i810 > > driver is let know as the IRQ hasn't been deregistered yet.. > > > > This issue also will affect the i830 and gamma (not that anyone cares) but > > maybe others as well as my DRI tree is old enough at this stage.... > > What codebase is this patch against? I was of the opinion that we'd actually > eliminated the use of interrupts from the i810 driver. > > Keith
It looks like the i810 and i830 drm modules in the 2.4.x kernel tree still use interrupts. In any case, I think the patch against i810/i830_dri.c should be applied so we have a drmCtlUninstHandler to match the drmCtlInstHandler -- which is there for backward compatibility with older drm modules. Also, this would be used if vblank support is added for i810/i830. -- Leif Delgass http://www.retinalburn.net ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
