On Wed, 5 Feb 2014 18:02:10 -0800 (PST) Jeff Berman <spamact@xxxxxxxxx> wrote: > Hi guys, > > I installed a 3.12.9 kernel, but the "Send error in Flush = -9" errors still appear in quantity. Any other ideas? > > Thanks, > > Jeff > (cc'ing linux-cifs -- sorry, I don't do private support unless you're paying me ;) What would be best is to reopen the bug and attach a new capture if you're still seeing the problem. Are there multiple machines involved that are connecting through any sort of NAT? If so, then they'll all need the same patch... > > ----- Original Message ----- > > From: Jeff Layton <jlayton@xxxxxxxxxx> > > To: Jeff Berman <spamact@xxxxxxxxx> > > Cc: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx> > > Sent: Wednesday, February 5, 2014 10:58 AM > > Subject: Re: CIFS VFS: Send error in Flush = -9 > > > > On Wed, 5 Feb 2014 10:45:16 -0800 (PST) > > Jeff Berman <spamact@xxxxxxxxx> wrote: > > > >> Hi Jeff, > >> > >> Thanks for your reply! What you said makes sense to me. I'd like to > > apply the patch but after researching kernel patches for a couple hours I > > realize that I'm in over my head. I have no problem attempting it, but I > > can't figure out how to tell if my current kernel contains it already or how > > to install it (and any needed prerequisites). My Xubuntu installation is at > > "Ubuntu 3.11.0-15.25-generic 3.11.10". > >> > >> You're obviously super busy, but can you suggest a link with relevant > > instructions to follow? There are hundreds of different kernel guides out there > > dating back over a decade. > >> > >> Thanks again! > >> > >> Jeff > >> > > > > I'm pretty sure that patch went into mainline in v3.12, so it's likely > > your v3.11 kernel doesn't have it. The trivial way to get it would be > > to just move to a v3.12 kernel. > > > > If that's not possible you'll probably just need to get the sources for > > your kernel apply the patch to it and build it (I assume it should just > > apply directly with little or no merge conflicts)...or talk the ubuntu > > folks into doing it for you. > > > > Good luck! > > > > > >> > >> ----- Original Message ----- > >> > From: Jeff Layton <jlayton@xxxxxxxxxx> > >> > To: Jeff Berman <spamact@xxxxxxxxx> > >> > Cc: linux-cifs <linux-cifs@xxxxxxxxxxxxxxx>; Shirish Pargaonkar > > <shirishpargaonkar@xxxxxxxxx> > >> > Sent: Wednesday, February 5, 2014 3:00 AM > >> > Subject: Re: CIFS VFS: Send error in Flush = -9 > >> > > >> > On Wed, 5 Feb 2014 01:21:45 -0800 (PST) > >> > > >> > Jeff Berman <spamact@xxxxxxxxx> wrote: > >> > > >> >> > From: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx> > >> >> > >> >> > To: Jeff Berman <spamact@xxxxxxxxx> > >> >> > Cc: linux-cifs <linux-cifs@xxxxxxxxxxxxxxx> > >> >> > Sent: Friday, January 31, 2014 12:07 PM > >> >> > Subject: Re: CIFS VFS: Send error in Flush = -9 > >> >> > > >> >> > -9 is EBADF. > >> >> > > >> >> > If you can send a wireshark trace of traffic between client > > and server > >> >> > that would be helpful. > >> >> > > >> >> > > >> >> > > >> >> > On Fri, Jan 31, 2014 at 1:20 PM, Jeff Berman > > <spamact@xxxxxxxxx> > >> > wrote: > >> >> >> Hi there, > >> >> >> > >> >> >> I'm getting lots of CIFS errors in my system log: > >> >> >> > >> >> >> Jan 30 08:46:05 Server1 kernel: [747319.264235] CIFS > > VFS: Send > >> > error > >> >> >> in Flush = -9 > >> >> >> Jan 30 08:46:05 Server1 kernel: [747319.264235] CIFS > > VFS: Send > >> > error > >> >> >> in Flush = -9 > >> >> >> Jan 30 08:46:05 Server1 kernel: [747319.264235] CIFS > > VFS: Send > >> > error > >> >> >> in Flush = -9 > >> >> > >> >> > >> >> Ok, I think I did the wireshark trace correctly. It's > > attached to bug > >> > 10417 (https://bugzilla.samba.org/show_bug.cgi?id=10417). > >> >> > >> >> Thank you! > >> > > >> > Ok, I took a look and I'm pretty sure the problem is the > > long-standing > >> > bug in how the client tried to use virtual circuits. Applying this > >> > patch from mainline kernels should help things: > >> > > >> > commit 9ae6cf606a33b0a762798df0fb742848bcc685b5 > >> > Author: Jeff Layton <jlayton@xxxxxxxxxx> > >> > Date: Mon Sep 16 11:23:45 2013 -0400 > >> > > >> > cifs: stop trying to use virtual circuits > >> > > >> > Please let us know if it doesn't. > > > >> > > >> > -- > >> > Jeff Layton <jlayton@xxxxxxxxxx > >> >> > >> > > > > > > > -- > > Jeff Layton <jlayton@xxxxxxxxxx> > > -- Jeff Layton <jlayton@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
