Maybe. And maybe the problem is triggered due to the usage we make of that infrastructure. If I am not mistaken, mlx5_core is the first and only driver to make use of this infrastructure. > -----Original Message----- > From: Jason Gunthorpe <jgg@xxxxxxxx> > Sent: Friday, 5 May 2023 2:38 > To: Chuck Lever III <chuck.lever@xxxxxxxxxx> > Cc: Leon Romanovsky <leon@xxxxxxxxxx>; Eli Cohen <elic@xxxxxxxxxx>; Saeed > Mahameed <saeedm@xxxxxxxxxx>; linux-rdma <linux- > rdma@xxxxxxxxxxxxxxx>; open list:NETWORKING [GENERAL] > <netdev@xxxxxxxxxxxxxxx> > Subject: Re: system hang on start-up (mlx5?) > > On Thu, May 04, 2023 at 07:02:48PM +0000, Chuck Lever III wrote: > > > > > > > On May 4, 2023, at 3:29 AM, Leon Romanovsky <leon@xxxxxxxxxx> wrote: > > > > > > On Wed, May 03, 2023 at 02:02:33PM +0000, Chuck Lever III wrote: > > >> > > >> > > >>> On May 3, 2023, at 2:34 AM, Eli Cohen <elic@xxxxxxxxxx> wrote: > > >>> > > >>> Hi Chuck, > > >>> > > >>> Just verifying, could you make sure your server and card firmware are > up to date? > > >> > > >> Device firmware updated to 16.35.2000; no change. > > >> > > >> System firmware is dated September 2016. I'll see if I can get > > >> something more recent installed. > > > > > > We are trying to reproduce this issue internally. > > > > More information. I captured the serial console during boot. > > Here are the last messages: > > Oh I wonder if this is connected to Thomas's recent interrupt and MSI > rework? Might need to bisection search around those big series > > Jason