> From: Nicolas Dichtel [mailto:nicolas.dichtel at 6wind.com] > Sent: Friday, December 12, 2014 1:00 PM > > Le 12/12/2014 13:06, Sergio Gonzalez Monroy a ?crit : > > Known issue regarding iommu/VT-d and igb_uio on Linux kernel version > > 3.15 to 3.17 where unbinding the device from the driver removes the > > 1:1 > Do you mean that the problem doesn't exist with a linux 3.18? > Yes, as it is mentioned in the resolution/workarounds, earlier or later kernels do solve the issue.
> > mapping for the device on the iommu resulting in memory access errors. > Do you have the linux commit id which introduces the problem? And the one > which solves it? > I do have the commits, but I was not sure if I should add the info (at least no previous release note did). Introduced in: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/iommu/intel-iommu.c?id=816997d03bca9fabcee65f3481eb0297103eceb7 Solved in: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/iommu/intel-iommu.c?id=1196c2fb0407683c2df92d3d09f9144d42830894 > > > > Signed-off-by: Sergio Gonzalez Monroy > > <sergio.gonzalez.monroy at intel.com> > > --- > Please, also don't forget to explain what you have changed between the v1 > and v2. > The history should be put here, after the '---', something like: > > v2: update that > I did forget. I will add it for v3. I need to fix issue with patch not showing in patchwork (I think cause of R (registered) symbol in context line). Regards, Sergio > > Regards, > Nicolas
