>> Try again and see if you get more hints.
I’ve tried rump-methopd too but I can’t get it to work either.
The “feature barrier” errors sound significant.
as
root@contiki:/home/ubuntu/rump-mathopd# . ./run_mathopd.sh
+ . ./run_mathopd.sh
++ set -x
++ rumprun xen -di -M 512 -n inet,static,192.168.1.34/24 -b
images/data.iso,/data -b images/stubetc.iso,/etc mathopd/src/mathopd -n -f
/data/mathopd.conf
!!!
!!! NOTE: rumprun is experimental and usage may change in the future
!!!
start_info: 0x5b4000(VA)
nr_pages: 0x20000
shared_inf: 0x5f386000(MA)
pt_base: 0x5b7000(VA)
nr_pt_frames: 0x7
mfn_list: 0x4b4000(VA)
mod_start: 0x0(VA)
mod_len: 0
flags: 0x0
cmd_line: -n -f /data/mathopd.conf
stack: 0x427c20-0x4a7c20
MM: Init
_text: 0x0(VA)
_etext: 0x1f50c7(VA)
_erodata: 0x2a7000(VA)
_edata: 0x2b11b4(VA)
stack start: 0x427c20(VA)
_end: 0x4b3960(VA)
start_pfn: 5c1
max_pfn: 20000
Mapping memory range 0x800000 - 0x20000000
setting 0x0-0x2a7000 readonly
skipped 0x1000
MM: Initialise page allocator for 6bd000(6bd000)-20000000(20000000)
MM: done
Demand map pfns at 20001000-2020001000.
Initialising timer interface
Initialising console ... done.
gnttab_table mapped at 0x20001000.
Initialising scheduler
xenbus initialised on irq 1 mfn 0x7e47e
Failed to read device/pci/0/backend-id.
no backend
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
The NetBSD Foundation, Inc. All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
NetBSD 7.99.4 (RUMP-ROAST)
total memory = 252 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "rumpclk" frequency 100 Hz quality 0
cpu0 at thinair0: rump virtual cpu
root file system type: rumpfs
kern.module.path=/stand/amd64/7.99.4/modules
mainbus0 (root)
pci0 at mainbus0 bus 0
pci0: memory space enabled, rd/line, rd/mult, wr/inv ok
timecounter: Timecounter "rumpxen" frequency 1000000000 Hz quality 100
rumprun_config: configuring xenif0 as inet with static 192.168.1.34
net TX ring size 256
net RX ring size 256
netfront: node=device/vif/0 backend=/local/domain/0/backend/vif/2/0
netfront: MAC 00:16:3e:54:d1:5a
xenif0: Ethernet address 00:16:3e:54:d1:5a
blkfront: node=device/vbd/768 backend=/local/domain/0/backend/qdisk/2/768
Failed to read /local/domain/0/backend/qdisk/2/768/feature-barrier.
blkfront: 728 sectors
blkfront detached: node=device/vbd/768
blkfront: node=device/vbd/768 backend=/local/domain/0/backend/qdisk/2/768
Failed to read /local/domain/0/backend/qdisk/2/768/feature-barrier.
blkfront: 728 sectors
blkfront detached: node=device/vbd/768
blkfront: node=device/vbd/768 backend=/local/domain/0/backend/qdisk/2/768
Failed to read /local/domain/0/backend/qdisk/2/768/feature-barrier.
blkfront: 728 sectors
/dev/xenblk0: hostpath blk0 (364 KB)
rumprun_config: mounting xenblk0 on /data as cd9660
blkfront: node=device/vbd/832 backend=/local/domain/0/backend/qdisk/2/832
Failed to read /local/domain/0/backend/qdisk/2/832/feature-barrier.
blkfront: 948 sectors
blkfront detached: node=device/vbd/832
blkfront: node=device/vbd/832 backend=/local/domain/0/backend/qdisk/2/832
Failed to read /local/domain/0/backend/qdisk/2/832/feature-barrier.
blkfront: 948 sectors
blkfront detached: node=device/vbd/832
blkfront: node=device/vbd/832 backend=/local/domain/0/backend/qdisk/2/832
Failed to read /local/domain/0/backend/qdisk/2/832/feature-barrier.
blkfront: 948 sectors
/dev/xenblk1: hostpath blk1 (474 KB)
rumprun_config: mounting xenblk1 on /etc as cd9660
=== calling main() ===