On Thu, Dec 07, 2023 at 06:37:13AM +0000, Daisuke Matsuda (Fujitsu) wrote: > On Tue, Dec 5, 2023 10:51 AM Zhu Yanjun wrote: > > > > 在 2023/12/5 8:11, Jason Gunthorpe 写道: > > > On Thu, Nov 09, 2023 at 02:44:45PM +0900, Daisuke Matsuda wrote: > > >> > > >> Daisuke Matsuda (7): > > >> RDMA/rxe: Always defer tasks on responder and completer to workqueue > > >> RDMA/rxe: Make MR functions accessible from other rxe source code > > >> RDMA/rxe: Move resp_states definition to rxe_verbs.h > > >> RDMA/rxe: Add page invalidation support > > >> RDMA/rxe: Allow registering MRs for On-Demand Paging > > >> RDMA/rxe: Add support for Send/Recv/Write/Read with ODP > > >> RDMA/rxe: Add support for the traditional Atomic operations with ODP > > > > > > What is the current situation with rxe? I don't recall seeing the bugs > > > that were reported get fixed? > > Well, I suppose Jason is mentioning "blktests srp/002 hang". > cf. https://lore.kernel.org/linux-rdma/dsg6rd66tyiei32zaxs6ddv5ebefr5vtxjwz6d2ewqrcwisogl@ge7jzan7dg5u/T/ > > It is likely to be a timing issue. Bob reported that "siw hangs with the debug kernel", > so the hang looks not specific to rxe. > cf. https://lore.kernel.org/all/53ede78a-f73d-44cd-a555-f8ff36bd9c55@xxxxxxx/T/ > I think we need to decide whether to continue to block patches to rxe since nobody has successfully fixed the issue. Bob? Is that what we think? > There is another issue that causes kernel panic. > [bug report][bisected] rdma_rxe: blktests srp lead kernel panic with 64k page size > cf. https://lore.kernel.org/all/CAHj4cs9XRqE25jyVw9rj9YugffLn5+f=1znaBEnu1usLOciD+g@xxxxxxxxxxxxxx/T/ This is more understandable, and the fix of matching the MTT size to the PAGE_SIZE seems reasonable to me. Jason
