[Xen-devel] Xen-unstable Linux 3.14-rc3 and 3.13 Network troubles

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

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

  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



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)

--

Sander


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