From: "bfields@fieldses.org" <bfields@fieldses.org>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: hch <hch@lst.de>, Trond Myklebust <trondmy@primarydata.com>,
"anna.schumaker@netapp.com" <anna.schumaker@netapp.com>,
"jlayton@poochiereds.net" <jlayton@poochiereds.net>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>,
virtualization@lists.linux-foundation.org
Subject: Re: remove function pointer casts and constify function tables
Date: Wed, 31 May 2017 16:57:15 -0400 [thread overview]
Message-ID: <20170531205715.GC23526@fieldses.org> (raw)
In-Reply-To: <20170530195716-mutt-send-email-mst@kernel.org>
On Tue, May 30, 2017 at 07:58:06PM +0300, Michael S. Tsirkin wrote:
> On Tue, May 30, 2017 at 07:26:37PM +0300, Michael S. Tsirkin wrote:
> > On Fri, May 26, 2017 at 03:31:33PM -0400, bfields@fieldses.org wrote:
> > > Looks like the culprit is very likely d85b758f72b0 "virtio_net: fix
> > > support for small rings".
> > >
> > > After that patch, my NFS server VM stops responding to packets after a
> > > few minutes of testing. Before that patch, my server keeps working.
> > >
> > > --b.
> >
> > Others complained about that too.
> > I'm still trying to reproduce though.
> >
> > Meanwhile, could you please locate this line of code:
> > + vi->rq[i].min_buf_len = mergeable_min_buf_len(vi, vi->rq[i].vq);
> >
> > and add something like
> > printk(KERN_ERR, "min buf = 0x%x expected 0x%x size 0x%x big %d\n",
> > vi->rq[i].min_buf_len, GOOD_PACKET_LEN,
> > virtqueue_get_vring_size(vi->rq[i].vq),
> > (int)vi->big_packets);
> >
> > after it?
> > Then boot and capture the output.
> >
> > Thanks!
> >
>
> Also, can you pls print the mergeable_rx_buffer_size attribute from
> sysfs for this device?
On 4.12-rc1:
# cat
# /sys/devices/pci0000:00/0000:00:03.0/virtio0/net/eth0/queues/rx-0/virtio_net/mergeable_rx_buffer_size
320
--b.
next prev parent reply other threads:[~2017-05-31 20:57 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-12 16:16 remove function pointer casts and constify function tables Christoph Hellwig
2017-05-12 16:16 ` [PATCH 01/33] sunrpc: properly type argument to kxdreproc_t Christoph Hellwig
2017-05-12 16:16 ` [PATCH 02/33] sunrpc: fix encoder callback prototypes Christoph Hellwig
2017-05-12 16:16 ` [PATCH 03/33] lockd: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 04/33] nfs: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 05/33] nfsd: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 06/33] sunrpc/auth_gss: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 07/33] sunrpc: properly type argument to kxdrdproc_t Christoph Hellwig
2017-05-12 16:16 ` [PATCH 08/33] sunrpc: fix decoder callback prototypes Christoph Hellwig
2017-05-12 16:16 ` [PATCH 09/33] sunrpc/auth_gss: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 10/33] nfsd: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 11/33] lockd: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 12/33] nfs: " Christoph Hellwig
2017-05-12 16:16 ` [PATCH 13/33] nfs: don't cast callback decode/proc/encode routines Christoph Hellwig
2017-05-12 16:16 ` [PATCH 14/33] lockd: fix some weird indentation Christoph Hellwig
2017-05-12 18:01 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 15/33] sunrpc: move p_count out of struct rpc_procinfo Christoph Hellwig
2017-05-12 18:24 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 16/33] nfs: use ARRAY_SIZE() in the nfsacl_version3 declaration Christoph Hellwig
2017-05-12 18:25 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 17/33] sunrpc: mark all struct rpc_procinfo instances as const Christoph Hellwig
2017-05-12 18:30 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 18/33] nfsd4: const-ify nfs_cb_version4 Christoph Hellwig
2017-05-12 18:31 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 19/33] nfsd: use named initializers in PROC() Christoph Hellwig
2017-05-12 18:32 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 20/33] nfsd: remove the unused PROC() macro in nfs3proc.c Christoph Hellwig
2017-05-12 18:33 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 21/33] sunrpc: properly type pc_func callbacks Christoph Hellwig
2017-05-12 18:34 ` Jeff Layton
2017-05-12 16:16 ` [PATCH 22/33] sunrpc: properly type pc_release callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 23/33] sunrpc: properly type pc_decode callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 24/33] sunrpc: properly type pc_encode callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 25/33] sunrpc: remove kxdrproc_t Christoph Hellwig
2017-05-12 16:16 ` [PATCH 26/33] nfsd4: properly type op_set_currentstateid callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 27/33] nfsd4: properly type op_get_currentstateid callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 28/33] nfsd4: remove nfsd4op_rsize Christoph Hellwig
2017-05-12 16:16 ` [PATCH 29/33] nfsd4: properly type op_func callbacks Christoph Hellwig
2017-05-12 16:16 ` [PATCH 30/33] sunrpc: move pc_count out of struct svc_procinfo Christoph Hellwig
2017-05-12 16:16 ` [PATCH 31/33] sunrpc: mark all struct svc_procinfo instances as const Christoph Hellwig
2017-05-12 16:17 ` [PATCH 32/33] sunrpc: mark all struct svc_version " Christoph Hellwig
2017-05-12 16:17 ` [PATCH 33/33] nfsd4: const-ify nfsd4_ops Christoph Hellwig
2017-05-12 18:42 ` Jeff Layton
2017-05-12 20:14 ` remove function pointer casts and constify function tables Trond Myklebust
2017-05-12 22:04 ` bfields
2017-05-13 7:25 ` hch
2017-05-13 16:10 ` Trond Myklebust
2017-05-15 15:21 ` bfields
2017-05-15 15:44 ` hch
2017-05-23 8:11 ` hch
2017-05-23 12:23 ` bfields
2017-05-26 15:08 ` bfields
2017-05-26 15:09 ` bfields
2017-05-26 19:31 ` bfields
2017-05-30 16:26 ` Michael S. Tsirkin
2017-05-30 16:58 ` Michael S. Tsirkin
2017-05-31 20:57 ` bfields [this message]
2017-05-31 21:09 ` bfields
2017-05-31 21:15 ` bfields
2017-05-30 17:03 ` Michael S. Tsirkin
2017-05-31 21:00 ` bfields
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