Hello Shijith, Please add the patch to uio_pci_generic.c file in Linux kernel We experience similar faults with NVMe devices
On Wednesday, 12 July 2017 06:40:55 IDT Tan, Jianfeng wrote: > > > -----Original Message----- > > From: Shijith Thotton [mailto:[email protected]] > > Sent: Friday, July 7, 2017 7:14 PM > > To: [email protected] > > Cc: Yigit, Ferruh; Gregory Etelson; Thomas Monjalon; Stephen Hemminger; > > Tan, Jianfeng; Lu, Wenzhuo > > Subject: [PATCH v2] igb_uio: issue FLR during open and release of device > > file > > > > Set UIO info device file operations open and release. Call pci reset > > function inside open and release to clear device state at start and end. > > Copied this behaviour from vfio_pci kernel module code. With this patch, > > it is not mandatory to issue FLR by PMD's during init and close. > > > > Bus master enable and disable are added in open and release respectively > > to take care of device DMA. > > > > Signed-off-by: Shijith Thotton <[email protected]> > > Reviewed-by: Jianfeng Tan <[email protected]>
