caker

An example of sysbench reporting 0MB/sec, when the guest and host are seeing no drops at all.

...

Threads started!

[ 1s ] reads: 0.00 MiB/s writes: 0.00 MiB/s fsyncs: 0.00/s latency (ms,95%): 7.842
[ 2s ] reads: 0.00 MiB/s writes: 253.21 MiB/s fsyncs: 0.00/s latency (ms,95%): 13.704
[ 3s ] reads: 0.00 MiB/s writes: 253.49 MiB/s fsyncs: 0.00/s latency (ms,95%): 14.207
[ 4s ] reads: 0.00 MiB/s writes: 0.00 MiB/s fsyncs: 0.00/s latency (ms,95%): 14.207

caker

root@darkstar:~# ls -al /var/log/packages/
total 3976
drwxr-xr-x  2 root root  20480 Oct  3 18:01 ./
drwxr-xr-x 12 root root   4096 Oct  3 18:03 ../
-rw-r--r--  1 root root   6611 Sep 25 14:06 M2Crypto-0.23.0-x86_64-1
-rw-r--r--  1 root root  12357 Sep 25 13:59 a2ps-4.14-x86_64-5
-rw-r--r--  1 root root   1417 Sep 25 14:06 a52dec-0.7.4-x86_64-2
-rw-r--r--  1 root root   2259 Sep 25 13:57 aaa_base-14.2-x86_64-2
-rw-r--r--  1 root root   2714 Sep 25 13:57 aaa_elflibs-14.2-x86_64-23
-rw-r--r--  1 root root  13019 Sep 25 13:57 aaa_terminfo-5.9-x86_64-1

caker

$ mtr -r cb5109-42.labs.sce.carleton.ca
HOST: trac.vin.fo                 Loss%   Snt   Last   Avg  Best  Wrst StDev
  1.|-- router1-nac.linode.com     0.0%    10    0.7   0.7   0.6   0.8   0.0
  2.|-- 173.255.239.0              0.0%    10    0.8   0.8   0.7   1.3   0.2
  3.|-- 207.99.109.69              0.0%    10    0.5   1.1   0.5   4.2   1.2
  4.|-- 0.e1-2.tbr1.ewr.nac.net    0.0%    10   11.0   7.2   1.1  16.6   5.5
  5.|-- te0-0-1-1.nr12.b002894-0.  0.0%    10    2.2   1.5   1.3   2.2   0.3
  6.|-- te0-4-0-1.rcr21.ewr02.atl  0.0%    10    1.5   1.7   1.5   3.0   0.5
  7.|-- be2601.rcr24.jfk01.atlas.  0.0%    10    2.2   2.2   2.1   2.5   0.1
  8.|-- be2631.ccr41.jfk02.atlas.  0.0%    10    2.4   2.5   2.2   3.6   0.4

caker

/dev/sda                 /                       ext3    defaults        1 1
#LABEL=/boot             /boot                   ext3    defaults        1 2
tmpfs                   /dev/shm                tmpfs   defaults        0 0
devpts                  /dev/pts                devpts  gid=5,mode=620  0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
/dev/sdb                swap                    swap    defaults        0 0
(Repair filesystem) 4 # 

caker

kernel BUG at drivers/net/xen-netfront.c:473!
invalid opcode: 0000 [#1] SMP 
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.15.4-x86_64-linode45 #1
task: ffffffff81c18450 ti: ffffffff81c00000 task.ti: ffffffff81c00000
RIP: e030:[<ffffffff81568e41>]  [<ffffffff81568e41>] xennet_make_frags+0x247/0x40b
RSP: e02b:ffff88007fa037a8  EFLAGS: 00010002
RAX: ffffea0001dfcb40 RBX: ffff880079ee0740 RCX: 0000000000000000
RDX: ffff880079ed1a9c RSI: 0000000000001040 RDI: 0000000000001000
RBP: ffff880079bee6e8 R08: 00000000000005a8 R09: 00000000000000a6

caker

# /build/xen/dom0/3.10.58 is a linux kernel directory prepared and built.

maker@build:/build/xen/dom0/drivers/lsi/megaraid_sas-06.705.06.00$ make -C /build/xen/dom0/3.10.58-1 M=`pwd`
make: Entering directory `/build/xen/dom0/3.10.58-1'
  CC [M]  /build/xen/dom0/drivers/lsi/megaraid_sas-06.705.06.00/megaraid_sas_base.o
/build/xen/dom0/drivers/lsi/megaraid_sas-06.705.06.00/megaraid_sas_base.c:44:28: fatal error: linux/smp_lock.h: No such file or directory
compilation terminated.
make[1]: *** [/build/xen/dom0/drivers/lsi/megaraid_sas-06.705.06.00/megaraid_sas_base.o] Error 1
make: *** [_module_/build/xen/dom0/drivers/lsi/megaraid_sas-06.705.06.00] Error 2
make: Leaving directory `/build/xen/dom0/3.10.58-1'