From: Bruce Fields <bfields@fieldses.org>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
linux-rdma@vger.kernel.org
Subject: Re: [PATCH v2 00/29] Possible NFSD patches for v5.8
Date: Tue, 19 May 2020 17:29:38 -0400 [thread overview]
Message-ID: <20200519212938.GG25858@fieldses.org> (raw)
In-Reply-To: <81E97D7E-7B8D-4C64-844A-18EF0346C49C@oracle.com>
On Tue, May 19, 2020 at 12:14:22PM -0400, Chuck Lever wrote:
>
>
> > On May 19, 2020, at 12:11 PM, J. Bruce Fields <bfields@fieldses.org> wrote:
> >
> > I'm getting a repeatable timeout failure on python 4.0 test WRT15. In
> > pynfs, run:
> >
> > ./nfs4.0/testserver.py server:/export/path --rundeps --maketree WRT15
> >
> > Looks like it sends WRITE+GETATTR(FATTR4_SIZE) compounds with write
> > offset 0 and write length taking on every value from 0 to 8192.
> >
> > Probably an xdr decoding bug of some kind?
>
> My first thought is to bisect, but I don't see a particular change in my
> v5.8 series that would plausibly introduce this class of problem.
It's SUNRPC: Refactor svc_recvfrom().
That was just from a quick automated bisect. I haven't tried to figure
out where the bug is....
--b.
next prev parent reply other threads:[~2020-05-19 21:29 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 21:22 [PATCH v2 00/29] Possible NFSD patches for v5.8 Chuck Lever
2020-05-12 21:22 ` [PATCH v2 01/29] SUNRPC: Move xpt_mutex into socket xpo_sendto methods Chuck Lever
2020-05-12 21:22 ` [PATCH v2 02/29] svcrdma: Clean up the tracing for rw_ctx_init errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 03/29] svcrdma: Clean up handling of get_rw_ctx errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 04/29] svcrdma: Trace page overruns when constructing RDMA Reads Chuck Lever
2020-05-12 21:22 ` [PATCH v2 05/29] svcrdma: trace undersized Write chunks Chuck Lever
2020-05-12 21:22 ` [PATCH v2 06/29] svcrdma: Fix backchannel return code Chuck Lever
2020-05-12 21:22 ` [PATCH v2 07/29] svcrdma: Remove backchannel dprintk call sites Chuck Lever
2020-05-12 21:22 ` [PATCH v2 08/29] svcrdma: Rename tracepoints that record header decoding errors Chuck Lever
2020-05-12 21:22 ` [PATCH v2 09/29] svcrdma: Remove the SVCRDMA_DEBUG macro Chuck Lever
2020-05-12 21:22 ` [PATCH v2 10/29] svcrdma: Displayed remote IP address should match stored address Chuck Lever
2020-05-12 21:23 ` [PATCH v2 11/29] svcrdma: Add tracepoints to report ->xpo_accept failures Chuck Lever
2020-05-12 21:23 ` [PATCH v2 12/29] SUNRPC: Remove kernel memory address from svc_xprt tracepoints Chuck Lever
2020-05-12 21:23 ` [PATCH v2 13/29] SUNRPC: Tracepoint to record errors in svc_xpo_create() Chuck Lever
2020-05-12 21:23 ` [PATCH v2 14/29] SUNRPC: Trace a few more generic svc_xprt events Chuck Lever
2020-05-12 21:23 ` [PATCH v2 15/29] SUNRPC: Remove "#include <trace/events/skb.h>" Chuck Lever
2020-05-12 21:23 ` [PATCH v2 16/29] SUNRPC: Add more svcsock tracepoints Chuck Lever
2020-05-12 21:23 ` [PATCH v2 17/29] SUNRPC: Replace dprintk call sites in TCP state change callouts Chuck Lever
2020-05-12 21:23 ` [PATCH v2 18/29] SUNRPC: Trace server-side rpcbind registration events Chuck Lever
2020-05-12 21:23 ` [PATCH v2 19/29] SUNRPC: Rename svc_sock::sk_reclen Chuck Lever
2020-05-12 21:23 ` [PATCH v2 20/29] SUNRPC: Restructure svc_tcp_recv_record() Chuck Lever
2020-05-12 21:23 ` [PATCH v2 21/29] SUNRPC: Refactor svc_recvfrom() Chuck Lever
2020-05-12 21:24 ` [PATCH v2 22/29] SUNRPC: Restructure svc_udp_recvfrom() Chuck Lever
2020-05-12 21:24 ` [PATCH v2 23/29] SUNRPC: svc_show_status() macro should have enum definitions Chuck Lever
2020-05-12 21:24 ` [PATCH v2 24/29] NFSD: Add tracepoints to NFSD's duplicate reply cache Chuck Lever
2020-05-12 21:24 ` [PATCH v2 25/29] NFSD: Add tracepoints to the NFSD state management code Chuck Lever
2020-05-12 21:24 ` [PATCH v2 26/29] NFSD: Add tracepoints for monitoring NFSD callbacks Chuck Lever
2020-05-12 21:24 ` [PATCH v2 27/29] SUNRPC: Clean up request deferral tracepoints Chuck Lever
2020-05-12 21:24 ` [PATCH v2 28/29] NFSD: Squash an annoying compiler warning Chuck Lever
2020-05-12 21:24 ` [PATCH v2 29/29] NFSD: Fix improperly-formatted Doxygen comments Chuck Lever
2020-05-19 16:11 ` [PATCH v2 00/29] Possible NFSD patches for v5.8 J. Bruce Fields
2020-05-19 16:14 ` Chuck Lever
2020-05-19 21:29 ` Bruce Fields [this message]
2020-05-19 22:25 ` Chuck Lever
2020-05-19 23:32 ` Chuck Lever
2020-05-20 16:46 ` Bruce Fields
2020-05-20 16:48 ` Chuck Lever
2020-05-20 17:01 ` Bruce Fields
2020-05-20 17:01 ` Calum Mackay
2020-05-20 17:14 ` Bruce Fields
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