Le 12/12/2014 14:20, Gonzalez Monroy, Sergio a ?crit : >> 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. Ok, I was not sure that the last version was tested ;-)
> >>> 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 I think it's a very useful info. Thank you, Nicolas
