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Re: [Xen-devel] Xen-unstable Linux 3.14-rc3 and 3.13 Network troubles "bisected"



Wednesday, March 12, 2014, 5:47:29 PM, you wrote:


> Wednesday, March 12, 2014, 4:45:01 PM, you wrote:

>> On Wed, Mar 12, 2014 at 04:20:03PM +0100, Sander Eikelenboom wrote:
>> [...]
>>> 
>>> > Sorry, remove the trailing "S". Actually you only need to look at 
>>> > netback.c.
>>> 
>>> What producer index to compare with .. there are quite some 
>>> RING_GET_REQUESTS .. and i see:
>>> npo->meta_prod
>>> vif->rx.sring->req_prod
>>> vif->pending_prod
>>> 
>>> to name a few ..
>>> Any particular RING_GET_REQUESTS call and particular producer index you are 
>>> interested in ?
>>> 

>> There are two macros you can use

>> RING_REQUEST_CONS_OVERFLOW and RING_REQUEST_PROD_OVERFLOW.

> Ah i already produced my own .. diff to netback is attached ..

> Netback:
> Mar 12 17:41:26 serveerstertje kernel: [  464.778614] vif vif-7-0 vif7.0: ?!? 
> npo->meta_prod:37 vif->rx.sring->req_prod:431006 vif->rx.req_cons:431007
> Mar 12 17:41:26 serveerstertje kernel: [  464.786203] vif vif-7-0 vif7.0: ?!? 
> npo->meta_prod:38 vif->rx.sring->req_prod:431006 vif->rx.req_cons:431008
> Mar 12 17:41:26 serveerstertje kernel: [  464.793749] vif vif-7-0 vif7.0: Bad 
> status -3 from copy to DOM7.
> Mar 12 17:41:26 serveerstertje kernel: [  464.801116] vif vif-7-0 vif7.0: ?!? 
> xenvif_check_gop status err? status:-1 i:7 nr_meta_slots:8 copy_op->status:-3 
> npo->copy_cons:38
> Mar 12 17:41:26 serveerstertje kernel: [  464.808636] vif vif-7-0 vif7.0: ?!? 
> xenvif_rx_action status err? status:-1 meta_slots_used:8 flags:7 size:1 
> ip_summed:1 is_gso:1 skb_shinfo(skb)->gso_type:1634 
> vif->meta[npo.meta_cons].gso_type:3 nr_frags:1 npo.copy_prod:39, 
> npo.meta_cons:30
> Mar 12 17:41:26 serveerstertje kernel: [  464.824158] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:0 nr_meta_slots:7 flags:4 
> size:2848
> Mar 12 17:41:26 serveerstertje kernel: [  464.832237] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:1 nr_meta_slots:7 flags:4 
> size:4096
> Mar 12 17:41:26 serveerstertje kernel: [  464.840146] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:2 nr_meta_slots:7 flags:4 
> size:4096
> Mar 12 17:41:26 serveerstertje kernel: [  464.847854] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:3 nr_meta_slots:7 flags:4 
> size:4096
> Mar 12 17:41:26 serveerstertje kernel: [  464.855596] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:4 nr_meta_slots:7 flags:4 
> size:4096
> Mar 12 17:41:26 serveerstertje kernel: [  464.863244] vif vif-7-0 vif7.0: ?!? 
> xenvif_add_frag_responses status err? status:-1 i:5 nr_meta_slots:7 flags:4 
> size:4096

> Netfront:
> Mar 12 17:41:26 backup kernel: [  284.941405] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941427] net eth0: cons:430999 slots:1 
> rp:431008 max:18 err:0 rx->id:150 rx->offset:0 size:4294967295 
> ref:-131941395332386 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941443] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941450] net eth0: cons:430999 slots:2 
> rp:431008 max:18 err:-22 rx->id:152 rx->offset:0 size:4294967295 
> ref:-131941395332397 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941464] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941471] net eth0: cons:430999 slots:3 
> rp:431008 max:18 err:-22 rx->id:153 rx->offset:0 size:4294967295 
> ref:-131941395332400 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941485] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941492] net eth0: cons:430999 slots:4 
> rp:431008 max:18 err:-22 rx->id:154 rx->offset:0 size:4294967295 
> ref:-131941395332383 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941506] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941512] net eth0: cons:430999 slots:5 
> rp:431008 max:18 err:-22 rx->id:155 rx->offset:0 size:4294967295 
> ref:-131941395332594 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941527] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941557] net eth0: cons:430999 slots:6 
> rp:431008 max:18 err:-22 rx->id:156 rx->offset:0 size:4294967295 
> ref:-131941395332360 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941572] net eth0: rx->offset: 0, size: 
> 4294967295
> Mar 12 17:41:26 backup kernel: [  284.941579] net eth0: cons:430999 slots:7 
> rp:431008 max:18 err:-22 rx->id:157 rx->offset:0 size:4294967295 
> ref:-131941395332552 pagesize:4096 skb_ipsummed:0 is_gso:0 gso_size:0 
> gso_type:0 gso_segs:0 RING_HAS_UNCONSUMED_RESPONSES:9 cons_changed:1 
> cons_before:430998 xennet_get_extras_err:0
> Mar 12 17:41:26 backup kernel: [  284.941743] net eth0: Invalid extra type: 
> 171
> Mar 12 17:41:26 backup kernel: [  284.941750] net eth0: Invalid extra type: 
> 174
> Mar 12 17:41:26 backup kernel: [  284.941754] net eth0: Invalid extra type: 
> 176

> Xen:
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v5 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v5 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5459370 
> source_off:0 source_len:4096 op->source.offset:0 op->len:1168
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v5 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v5 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5467551 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456674 
> source_off:1325235656 source_len:4294935301 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 254279695 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456674 
> source_off:1325235656 source_len:4294935301 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 227672068 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456674 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 95682560 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456674 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456674 
> source_off:0 source_len:4096 op->source.offset:0 op->len:64
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456673 
> source_off:0 source_len:4096 op->source.offset:64 op->len:2
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 194904075 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456673 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456673 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5467552 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5459370 
> source_off:0 source_len:4096 op->source.offset:66 op->len:2928
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5459369 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457736 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457735 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457734 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457733 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457732 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457731 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457730 
> source_off:0 source_len:4096 op->source.offset:0 op->len:3152
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5461696 
> source_off:0 source_len:4096 op->source.offset:0 op->len:1634
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457730 
> source_off:0 source_len:4096 op->source.offset:1634 op->len:944
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457729 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457728 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457727 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457726 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457725 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457724 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457723 
> source_off:0 source_len:4096 op->source.offset:0 op->len:4096
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5457722 
> source_off:0 source_len:4096 op->source.offset:0 op->len:3568
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456673 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 194904079 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5456673 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 200409092 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455320 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 182321152 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455320 
> source_off:0 source_len:4096 op->source.offset:0 op->len:1514
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455320 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455320 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 237502479 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455320 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 53084160 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 19791875 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455319 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325379 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455318 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66
> (XEN) [2014-03-12 16:41:26] grant_table.c:1856:d0v1 Bad grant reference 
> 4325377 gt_version:1 ldom:0 readonly:0 allow_transitive:1
> (XEN) [2014-03-12 16:41:26] grant_table.c:2100:d0v1 acquire_grant_for_copy 
> failed .. dest_is_gref rc:-3 source.domid:32752 dest.domid:7 s_frame:5455318 
> source_off:0 source_len:4096 op->source.offset:0 op->len:66

>>>
>>> >> > Wei.
>>> >> 
>>> >> >> > Wei.
>>> >> >> 
>>> >> 
>>> 

Hi Wei,

Do you think this supplies enough debug info for you ?

--
Sander


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