From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: Xen-unstable Linux 3.14-rc3 and 3.13 Network troubles Date: Wed, 19 Feb 2014 11:28:58 +0000 Message-ID: <20140219112858.GN18398@zion.uk.xensource.com> References: <1772884781.20140218222513@eikelenboom.it> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1772884781.20140218222513@eikelenboom.it> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Sander Eikelenboom Cc: ANNIE LI , Paul Durrant , Wei Liu , Zoltan Kiss , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Tue, Feb 18, 2014 at 10:25:13PM +0100, Sander Eikelenboom wrote: > Hi All, > > I'm currently having some network troubles with Xen and recent linux kernels. > > - When running with a 3.14-rc3 kernel in dom0 and a 3.13 kernel in domU > I get what seems to be described in this thread: http://www.spinics.net/lists/netdev/msg242953.html > I *think* that issue should've been fixed -- not with that patch but with a different one. *sigh* > In the guest: > [57539.859584] net eth0: rx->offset: 0, size: 4294967295 > [57539.859599] net eth0: rx->offset: 0, size: 4294967295 > [57539.859605] net eth0: rx->offset: 0, size: 4294967295 > [57539.859610] net eth0: Need more slots > [58157.675939] net eth0: Need more slots > [58725.344712] net eth0: Need more slots > [61815.849180] net eth0: rx->offset: 0, size: 4294967295 > [61815.849205] net eth0: rx->offset: 0, size: 4294967295 > [61815.849216] net eth0: rx->offset: 0, size: 4294967295 > [61815.849225] net eth0: Need more slots > > Xen reports: > (XEN) [2014-02-18 03:22:47] grant_table.c:1857:d0 Bad grant reference 19791875 > (XEN) [2014-02-18 03:42:33] grant_table.c:1857:d0 Bad grant reference 268435460 > (XEN) [2014-02-18 04:15:23] grant_table.c:289:d0 Increased maptrack size to 14 frames > (XEN) [2014-02-18 04:15:27] grant_table.c:289:d0 Increased maptrack size to 15 frames > (XEN) [2014-02-18 04:15:48] grant_table.c:289:d0 Increased maptrack size to 16 frames > (XEN) [2014-02-18 04:15:50] grant_table.c:289:d0 Increased maptrack size to 17 frames > (XEN) [2014-02-18 04:15:55] grant_table.c:289:d0 Increased maptrack size to 18 frames > (XEN) [2014-02-18 04:15:55] grant_table.c:289:d0 Increased maptrack size to 19 frames > (XEN) [2014-02-18 04:15:56] grant_table.c:289:d0 Increased maptrack size to 20 frames > (XEN) [2014-02-18 04:15:56] grant_table.c:289:d0 Increased maptrack size to 21 frames > (XEN) [2014-02-18 04:15:59] grant_table.c:289:d0 Increased maptrack size to 22 frames > (XEN) [2014-02-18 04:15:59] grant_table.c:289:d0 Increased maptrack size to 23 frames > (XEN) [2014-02-18 04:16:00] grant_table.c:289:d0 Increased maptrack size to 24 frames > (XEN) [2014-02-18 04:16:05] grant_table.c:289:d0 Increased maptrack size to 25 frames > (XEN) [2014-02-18 04:16:05] grant_table.c:289:d0 Increased maptrack size to 26 frames > (XEN) [2014-02-18 04:16:06] grant_table.c:289:d0 Increased maptrack size to 27 frames > (XEN) [2014-02-18 04:16:12] grant_table.c:289:d0 Increased maptrack size to 28 frames > (XEN) [2014-02-18 04:16:18] grant_table.c:289:d0 Increased maptrack size to 29 frames > (XEN) [2014-02-18 04:17:00] grant_table.c:1857:d0 Bad grant reference 268435460 > (XEN) [2014-02-18 04:17:00] grant_table.c:1857:d0 Bad grant reference 268435460 > (XEN) [2014-02-18 04:34:03] grant_table.c:1857:d0 Bad grant reference 4325377 > Judging from the log above I presume it happens after DomU has been running for quite a while? Could you elaborate on the exact steps to reproduce? Does it happen when you use 3.13 as backend? > > > Another issue with networking is when running both dom0 and domU's with a 3.14-rc3 kernel: > - i can ping the guests from dom0 > - i can ping dom0 from the guests > - But i can't ssh or access things by http > - I don't see any relevant error messages ... > - This is with the same system and kernel config as with the 3.14 and 3.13 combination above > (that previously worked fine) I think I am able to reproduce this. I'm looking into it now. Luckily there isn't that many changesets between 3.13 and 3.14. Wei. > > -- > > Sander