Re: 3.1-rc4: CIFS VFS: Received no data, expecting 4

[Justin Piszcz]

On Wed, 21 Sep 2011, Jeff Layton wrote:

> On Wed, 21 Sep 2011 16:54:08 +0530
> Suresh Jayaraman <sjayaraman@xxxxxxxx> wrote:
>
> > Adding linux-cifs@xxxxxxxxxxxxxxx to Cc.
> >
> > On 09/18/2011 10:29 PM, Justin Piszcz wrote:
> > > Hello,
> > >
> > > What does this mean and why does it occur?
> >
> > This error seems to occur when we try to read from a socket and actually
> > read no data. Not sure when this would occur.
>
> It would be nice to know what was returned by kernel_recvmsg here. Was
> it "0" or an error code of some kind?

Hi,

It seemed to start like that:

Sep 18 12:02:52 p34 kernel: [   71.039405] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery directory
Sep 18 12:02:52 p34 kernel: [   71.039970] NFSD: starting 90-second grace period
Sep 18 12:17:06 p34 kernel: [  923.377483] CIFS VFS: Received no data, expecting 4
Sep 18 12:17:23 p34 kernel: [  940.991731] [drm] nouveau 0000:04:00.0: Setting dpms mode 3 on tmds encoder (output 1)
Sep 18 12:18:23 p34 kernel: [ 1000.699094] CIFS VFS: Received no data, expecting 4
Sep 18 12:18:53 p34 kernel: [ 1030.668222] CIFS VFS: Received no data, expecting 4
Sep 18 12:19:23 p34 kernel: [ 1060.637386] CIFS VFS: Received no data, expecting 4
Sep 18 12:19:53 p34 kernel: [ 1090.606501] CIFS VFS: Received no data, expecting 4
Sep 18 12:20:23 p34 kernel: [ 1120.575675] CIFS VFS: Received no data, expecting 4
Sep 18 12:20:53 p34 kernel: [ 1150.544783] CIFS VFS: Received no data, expecting 4
Sep 18 12:21:23 p34 kernel: [ 1180.513925] CIFS VFS: Received no data, expecting 4
Sep 18 12:21:53 p34 kernel: [ 1210.483044] CIFS VFS: Received no data, expecting 4
Sep 18 12:22:23 p34 kernel: [ 1240.452187] CIFS VFS: Received no data, expecting 4
Sep 18 12:22:53 p34 kernel: [ 1270.421345] CIFS VFS: Received no data, expecting 4
Sep 18 12:23:23 p34 kernel: [ 1300.390432] CIFS VFS: Received no data, expecting 4
Sep 18 12:23:53 p34 kernel: [ 1330.359595] CIFS VFS: Received no data, expecting 4
Sep 18 12:24:23 p34 kernel: [ 1360.328755] CIFS VFS: Received no data, expecting 4
Sep 18 12:24:53 p34 kernel: [ 1390.283901] CIFS VFS: Received no data, expecting 4
Sep 18 12:25:23 p34 kernel: [ 1420.249492] CIFS VFS: Received no data, expecting 4
Sep 18 12:25:53 p34 kernel: [ 1450.218690] CIFS VFS: Received no data, expecting 4
Sep 18 12:26:23 p34 kernel: [ 1480.187842] CIFS VFS: Received no data, expecting 4
Sep 18 12:26:53 p34 kernel: [ 1510.156925] CIFS VFS: Received no data, expecting 4
Sep 18 12:27:23 p34 kernel: [ 1540.126080] CIFS VFS: Received no data, expecting 4
Sep 18 12:27:54 p34 kernel: [ 1570.095264] CIFS VFS: Received no data, expecting 4

Justin.

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