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#81 Error: io_submit() in ReadFile(): Unknown error 501

v1.0 (example)
open
nobody
None
5
2014-12-19
2014-12-19
k-Tracker
No

it looks to be silly issue on the first look, however after couple of hours I was not able to find the solution. decided to post here.

Configuration:
Dynamo 1.1.0 x86_64 machine under RHEL7
GUI 1.1.0 (tried both x86, x86_64) under Win7 or Win2012.

Firewall is disabled on both sides. Direct 1GB/s connection, no ethernet switches.
Iometer GUI finds and recognize dynamo correctly, after I start a workload it shows the data for 2-3 seconds and then hangs. On the other side dynamo starts sending the errors.
"Error: io_submit() in ReadFile(): Unknown error 501"

See the whole log:

./dynamo -i 192.168.1.3 -m 192.168.1.2
Dynamo version 1.1.0, x86-64, built Mar 25 2014 22:08:27

Command line parameter(s):
Looking for Iometer on "192.168.1.3"
Sending login request...
localhost.localdomain
192.168.1.2 (port 34217)
Successful PortTCP::Connect
- port name: 192.168.1.3

If dynamo and iometer hangs here, please make sure
 you use a correct -m <manager_computer_name> that
*** can ping from iometer machine. use IP if need.
Login accepted.
Reporting drive information...
Set_Sizes: Open on "/sys/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/dev/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/sys/kernel/security/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/dev/shm/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/run/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/sys/fs/cgroup/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/sys/fs/cgroup/systemd/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/pstore/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/firmware/efi/efivars/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/sys/fs/cgroup/cpuset/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/cpu,cpuacct/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/memory/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/devices/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/freezer/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/net_cls/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/blkio/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/perf_event/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/cgroup/hugetlb/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/kernel/config/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/sys/fs/selinux/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/proc/sys/fs/binfmt_misc/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/dev/mqueue/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/dev/hugepages/iobw.tst" failed (error Invalid argument).
Set_Sizes: Open on "/sys/kernel/debug/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/var/lib/nfs/rpc_pipefs/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/proc/fs/nfsd/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/run/user/0/gvfs/iobw.tst" failed (error No such file or directory).
Set_Sizes: Open on "/sys/fs/fuse/connections/iobw.tst" failed (error Permission denied).
Set_Sizes: Open on "/proc/sys/fs/binfmt_misc/iobw.tst" failed (error Permission denied).
Physical drives (raw devices)...
Set_Sizes: Open on "/dev/sr0" failed (error No medium found).
Reporting TCP network information...
done.
Worker 0 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Growing grunt data buffer from 4096 to 4096
Worker 1 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Growing grunt data buffer from 4096 to 4096
Worker 2 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Growing grunt data buffer from 4096 to 4096
Worker 3 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Growing grunt data buffer from 4096 to 4096
Worker 0 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Grunt data buffer size 4096 >= 4096, returning
Worker 1 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Grunt data buffer size 4096 >= 4096, returning
Worker 2 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Grunt data buffer size 4096 >= 4096, returning
Worker 3 running Access Spec: 4krr
Access specifications for test defined.
Grunt: Grunt data buffer size 4096 >= 4096, returning
Worker 4 running Access Spec: Idle
Worker 5 running Access Spec: Idle
Worker 6 running Access Spec: Idle
Worker 7 running Access Spec: Idle
Worker 8 running Access Spec: Idle
Worker 9 running Access Spec: Idle
Worker 10 running Access Spec: Idle
Worker 11 running Access Spec: Idle
Worker 12 running Access Spec: Idle
Worker 13 running Access Spec: Idle
Worker 14 running Access Spec: Idle
Worker 15 running Access Spec: Idle
Worker 0 setting targets...
Seeding random Number Generator(912766086563)
Worker 1 setting targets...
Seeding random Number Generator(912766295852)
Worker 2 setting targets...
Seeding random Number Generator(912766465889)
Worker 3 setting targets...
Seeding random Number Generator(912766643953)
Worker 4 setting targets...
clearing target list.
Worker 5 setting targets...
clearing target list.
Worker 6 setting targets...
clearing target list.
Worker 7 setting targets...
clearing target list.
Worker 8 setting targets...
clearing target list.
Worker 9 setting targets...
clearing target list.
Worker 10 setting targets...
clearing target list.
Worker 11 setting targets...
clearing target list.
Worker 12 setting targets...
clearing target list.
Worker 13 setting targets...
clearing target list.
Worker 14 setting targets...
clearing target list.
Worker 15 setting targets...
clearing target list.
Generating random data...
Starting...
Opening targets.
Opening targets.
Opening targets.
Opening targets.
Beginning to perform I/O...
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501
Error: io_submit() in ReadFile(): Unknown error 501

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