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:firstname.lastname@example.org]
> Sent: Friday, July 7, 2017 7:14 PM
> To: dev(a)dpdk.org
> 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 <shijith.thotton(a)caviumnetworks.com>
Reviewed-by: Jianfeng Tan <jianfeng.tan(a)intel.com>