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From: Andy Smith <andy@strugglers.net>
To: xen-users@lists.xenproject.org
Cc: xen-devel@lists.xenproject.org
Subject: Re: [Xen-users] Trying out vixen: failure to start device model
Date: Thu, 11 Jan 2018 22:26:36 +0000	[thread overview]
Message-ID: <20180111222636.GW3124@bitfolk.com> (raw)
In-Reply-To: <20180111215924.GV3124@bitfolk.com>

[Cc'ing xen-devel as this bit seems like a bug in pvshim]

On Thu, Jan 11, 2018 at 09:59:24PM +0000, Andy Smith wrote:
> libxl: debug: libxl_dm.c:2094:libxl__spawn_local_dm: Spawning device-model /var/lib/xen/pvshim-sidecars/debtest1.dm with arguments:
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   /var/lib/xen/pvshim-sidecars/debtest1.dm
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -xen-domid
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   9
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -chardev
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-9,server,nowait
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -no-shutdown
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -mon
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   chardev=libxl-cmd,mode=control
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -chardev
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   socket,id=libxenstat-cmd,path=/var/run/xen/qmp-libxenstat-9,server,nowait
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -mon
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   chardev=libxenstat-cmd,mode=control
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -nodefaults
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -no-user-config
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -name
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   debtest1
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -vnc
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   127.0.0.1:0,to=99
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -display
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   none
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -kernel
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   /opt/grub/lib/grub-x86_64-xen.bin
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -serial
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   pty
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -device
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   cirrus-vga,vgamem_mb=8
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -boot
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   order=c
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -smp
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   2,maxcpus=2
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -device
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   rtl8139,id=nic0,netdev=net0,mac=00:16:5e:00:02:39
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -netdev
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   type=tap,id=net0,ifname=vif9.0-emu,script=no,downscript=no
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -machine
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   xenfv
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -cdrom
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   /var/lib/xen/pvshim-sidecars/debtest1.iso
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -m
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   2552
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -drive
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   file=/dev/ssdvg/domu_debtest1_xvda,if=ide,index=0,media=disk,format=raw,cache=writeback
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   -drive
> libxl: debug: libxl_dm.c:2096:libxl__spawn_local_dm:   file=/dev/ssdvg/domu_debtest1_xvdb,if=ide,index=1,media=disk,format=raw,cache=writeback
> libxl: debug: libxl_dm.c:2098:libxl__spawn_local_dm: Spawning device-model /var/lib/xen/pvshim-sidecars/debtest1.dm with additional environment:
> libxl: debug: libxl_dm.c:2100:libxl__spawn_local_dm:   XEN_QEMU_CONSOLE_LIMIT=1048576
> libxl: debug: libxl_event.c:636:libxl__ev_xswatch_register: watch w=0x1b46a58 wpath=/local/domain/0/device-model/9/state token=2/2: register slotnum=2
> libxl: debug: libxl_event.c:573:watchfd_callback: watch w=0x1b46a58 wpath=/local/domain/0/device-model/9/state token=2/2: event epath=/local/domain/0/device-model/9/state
> libxl: debug: libxl_exec.c:398:spawn_watch_event: domain 9 device model: spawn watch p=(null)
> libxl: debug: libxl_event.c:673:libxl__ev_xswatch_deregister: watch w=0x1b46a58 wpath=/local/domain/0/device-model/9/state token=2/2: deregister slotnum=2
> libxl: error: libxl_dm.c:2189:device_model_spawn_outcome: domain 9 device model: spawn failed (rc=-3)
> libxl: error: libxl_create.c:1504:domcreate_devmodel_started: device model did not start: -3

I looked in the generated /var/lib/xen/pvshim-sidecars/debtest1.dm
and noted:

 63 for path in /usr/local/lib /usr/lib; do
 64     $path/xen/bin/qemu-system-i386 "${newargs[@]}" ||:
 65 done
 66 echo >&2 'could not exec qemu'

My qemu-system-i386 is at /usr/bin/qemu-system-i386 (Debian jessie,
qemu-system-x86 package) so is never going to be found by that.
Maybe pvshim-converter.pl should give up if it can't find
qemu-system-i386?

Anyway, as a quick test I created
/usr/local/lib/xen/bin/qemu-system-i386 as a symlink to
/usr/bin/qemu-system-i386 and now it gets further before dying with
a different error, so the above seems like it was a problem.

Parsing config from /etc/xen/debtest1-with-shim.conf
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: /etc/xen/scripts/vif-route add [31567] exited with error status 1
libxl: error: libxl_device.c:1225:device_hotplug_child_death_cb: script: /etc/xen/scripts/vif-route failed; error detected.
libxl: error: libxl_create.c:1461:domcreate_attach_devices: unable to add nic devices
libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: /etc/xen/scripts/vif-route remove [31751] exited with error status 1
libxl: error: libxl_device.c:1225:device_hotplug_child_death_cb: script: /etc/xen/scripts/vif-route failed; error detected.

Cheers,
Andy

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       reply	other threads:[~2018-01-11 22:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180111211652.GT3124@bitfolk.com>
     [not found] ` <20180111215924.GV3124@bitfolk.com>
2018-01-11 22:26   ` Andy Smith [this message]
2018-01-11 23:36     ` Trying out vixen: vif-route issue Andy Smith

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