Re: First attempt at HVM: vbd problems

To: Anzi <anzi%dnainternet.net@localhost>
Subject: Re: First attempt at HVM: vbd problems
From: "Brian A. Seklecki (Mobile)" <bseklecki%collaborativefusion.com@localhost>
Date: Sun, 13 Apr 2008 22:22:08 -0400
More on this -- attaching ktrace(8) to xenstored(8) and xenbackend(8) is
highly insightful.  Clearly the usage pkg/etc/xen/scripts/block is
extensive -- and to only be 94 lines long seems ominous. :)

The ENOENTS in the follow kdump(8) are the most revealing, I believe:


 23497      1 xenbackendd GIO   fd 1 wrote 76 bytes

"exec /usr/pkg/etc/xen/scripts/block /local/domain/0/backend/console/102/0 1\n"
 23497      1 xenbackendd RET   write 76/0x4c
 23497      1 xenbackendd CALL  __vfork14
 23497      1 xenbackendd RET   __vfork14 19263/0x4b3f
 23497      1 xenbackendd CALL  wait4(0xffffffff,0,0,0)
 23497      1 xenbackendd RET   wait4 19263/0x4b3f
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)


 23497      2 xenbackendd GIO   fd 4 read 7 bytes
       "ENOENT\0"
 23497      2 xenbackendd RET   read 7
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(1,0x7f7ffd40e000,0x4a)
 23497      1 xenbackendd GIO   fd 1 wrote 74 bytes

"exec /usr/pkg/etc/xen/scripts/block /local/domain/0/backend/vbd/102/832
5\n"
 23497      1 xenbackendd RET   write 74/0x4a
 23497      1 xenbackendd CALL  __vfork14
 23497      1 xenbackendd RET   __vfork14 539/0x21b
 23497      1 xenbackendd CALL  wait4(0xffffffff,0,0,0)
 23497      1 xenbackendd RET   wait4 539/0x21b
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0002\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x32)
 23497      2 xenbackendd GIO   fd 4 read 50 bytes
       "/local/domain/0/backend/vkbd/102/0/online\0backend\0"
 23497      2 xenbackendd RET   read 50/0x32
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0001\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x31)
 23497      2 xenbackendd GIO   fd 4 read 49 bytes
       "/local/domain/0/backend/vkbd/102/0/state\0backend\0"
 23497      2 xenbackendd RET   read 49/0x31
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda40,0x7f7fffffda20,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(4,0x7f7fffffda60,0x10)
 23497      1 xenbackendd GIO   fd 4 wrote 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0)\0\0\0"
 23497      1 xenbackendd RET   write 16/0x10
 23497      1 xenbackendd CALL  write(4,0x7f7fffffdb00,0x29)
 23497      1 xenbackendd GIO   fd 4 wrote 41 bytes
       "/local/domain/0/backend/vkbd/102/0/state\0"
 23497      1 xenbackendd RET   write 41/0x29
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd4010d8,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409124,1)
 23497      2 xenbackendd GIO   fd 4 read 1 bytes
       "5"
 23497      2 xenbackendd RET   read 1
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda40,0x7f7fffffda20,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(4,0x7f7fffffda60,0x10)
 23497      1 xenbackendd GIO   fd 4 wrote 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0002\0\0\0"
 23497      1 xenbackendd RET   write 16/0x10
 23497      1 xenbackendd CALL  write(4,0x7f7fffffdb00,0x32)
 23497      1 xenbackendd GIO   fd 4 wrote 50 bytes
       "/local/domain/0/backend/vkbd/102/0/hotplug-status\0"
 23497      1 xenbackendd RET   write 50/0x32
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd4010d8,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^P\0\0\0\0\0\0\0\0\0\0\0\a\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd40a078,7)
 23497      2 xenbackendd GIO   fd 4 read 7 bytes
       "ENOENT\0"
 23497      2 xenbackendd RET   read 7
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(1,0x7f7ffd40e000,0x49)
 23497      1 xenbackendd GIO   fd 1 wrote 73 bytes

"exec /usr/pkg/etc/xen/scripts/block /local/domain/0/backend/vkbd/102/0
5\n"
 23497      1 xenbackendd RET   write 73/0x49
 23497      1 xenbackendd CALL  __vfork14
 23497      1 xenbackendd RET   __vfork14 27689/0x6c29
 23497      1 xenbackendd CALL  wait4(0xffffffff,0,0,0)
 23497      1 xenbackendd RET   wait4 27689/0x6c29
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0+\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x2b)
 23497      2 xenbackendd GIO   fd 4 read 43 bytes
       "/local/domain/0/backend/vkbd/102/0\0backend\0"
 23497      2 xenbackendd RET   read 43/0x2b
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4070c0,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0)\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x29)
 23497      2 xenbackendd GIO   fd 4 read 41 bytes
       "/local/domain/0/backend/vkbd/102\0backend\0"
 23497      2 xenbackendd RET   read 41/0x29
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0%\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x25)
 23497      2 xenbackendd GIO   fd 4 read 37 bytes
       "/local/domain/0/backend/vkbd\0backend\0"
 23497      2 xenbackendd RET   read 37/0x25
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4070c0,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0001\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x31)
 23497      2 xenbackendd GIO   fd 4 read 49 bytes
       "/local/domain/0/backend/vfb/102/0/online\0backend\0"
 23497      2 xenbackendd RET   read 49/0x31
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0000\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x30)
 23497      2 xenbackendd GIO   fd 4 read 48 bytes
       "/local/domain/0/backend/vfb/102/0/state\0backend\0"
 23497      2 xenbackendd RET   read 48/0x30
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda40,0x7f7fffffda20,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(4,0x7f7fffffda60,0x10)
 23497      1 xenbackendd GIO   fd 4 wrote 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0(\0\0\0"
 23497      1 xenbackendd RET   write 16/0x10
 23497      1 xenbackendd CALL  write(4,0x7f7fffffdb00,0x28)
 23497      1 xenbackendd GIO   fd 4 wrote 40 bytes
       "/local/domain/0/backend/vfb/102/0/state\0"
 23497      1 xenbackendd RET   write 40/0x28
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd4010d8,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0\^A\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd40b124,1)
 23497      2 xenbackendd GIO   fd 4 read 1 bytes
       "5"
 23497      2 xenbackendd RET   read 1
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda40,0x7f7fffffda20,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(4,0x7f7fffffda60,0x10)
 23497      1 xenbackendd GIO   fd 4 wrote 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0001\0\0\0"
 23497      1 xenbackendd RET   write 16/0x10
 23497      1 xenbackendd CALL  write(4,0x7f7fffffdb00,0x31)
 23497      1 xenbackendd GIO   fd 4 wrote 49 bytes
       "/local/domain/0/backend/vfb/102/0/hotplug-status\0"
 23497      1 xenbackendd RET   write 49/0x31
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd4010d8,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^P\0\0\0\0\0\0\0\0\0\0\0\a\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd40c078,7)
 23497      2 xenbackendd GIO   fd 4 read 7 bytes
       "ENOENT\0"
 23497      2 xenbackendd RET   read 7
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(1,0x7f7ffd40e000,0x48)
 23497      1 xenbackendd GIO   fd 1 wrote 72 bytes

"exec /usr/pkg/etc/xen/scripts/block /local/domain/0/backend/vfb/102/0 5
\n"
 23497      1 xenbackendd RET   write 72/0x48
 23497      1 xenbackendd CALL  __vfork14
 23497      1 xenbackendd RET   __vfork14 16785/0x4191
 23497      1 xenbackendd CALL  wait4(0xffffffff,0,0,0)
 23497      1 xenbackendd RET   wait4 16785/0x4191
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0*\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x2a)
 23497      2 xenbackendd GIO   fd 4 read 42 bytes
       "/local/domain/0/backend/vfb/102/0\0backend\0"
 23497      2 xenbackendd RET   read 42/0x2a
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0(\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407080,0x28)
 23497      2 xenbackendd GIO   fd 4 read 40 bytes
       "/local/domain/0/backend/vfb/102\0backend\0"
 23497      2 xenbackendd RET   read 40/0x28
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4070c0,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0$\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x24)
 23497      2 xenbackendd GIO   fd 4 read 36 bytes
       "/local/domain/0/backend/vfb\0backend\0"
 23497      2 xenbackendd RET   read 36/0x24
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0005\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x35)
 23497      2 xenbackendd GIO   fd 4 read 53 bytes
       "/local/domain/0/backend/console/102/0/online\0backend\0"
 23497      2 xenbackendd RET   read 53/0x35
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407060,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0004\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409080,0x34)
 23497      2 xenbackendd GIO   fd 4 read 52 bytes
       "/local/domain/0/backend/console/102/0/state\0backend\0"
 23497      2 xenbackendd RET   read 52/0x34
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd401078)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407090,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda40,0x7f7fffffda20,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  write(4,0x7f7fffffda60,0x10)
 23497      1 xenbackendd GIO   fd 4 wrote 16 bytes
       "\^B\0\0\0\0\0\0\0\0\0\0\0,\0\0\0"
 23497      1 xenbackendd RET   write 16/0x10
 23497      1 xenbackendd CALL  write(4,0x7f7fffffdb00,0x2c)
 23497      1 xenbackendd GIO   fd 4 wrote 44 bytes
       "/local/domain/0/backend/console/102/0/state\0"
 23497      1 xenbackendd RET   write 44/0x2c
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd4010d8,0)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0.\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407050,0x2e)
 23497      2 xenbackendd GIO   fd 4 read 46 bytes
       "/local/domain/0/backend/console/102/0\0backend\0"
 23497      2 xenbackendd RET   read 46/0x2e
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4070c0,0x10)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0,\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4070e0,0x2c)
 23497      2 xenbackendd GIO   fd 4 read 44 bytes
       "/local/domain/0/backend/console/102\0backend\0"
 23497      2 xenbackendd RET   read 44/0x2c
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407120,0x10)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^O\0\0\0\0\0\0\0\0\0\0\0(\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407140,0x28)
 23497      2 xenbackendd GIO   fd 4 read 40 bytes
       "/local/domain/0/backend/console\0backend\0"
 23497      2 xenbackendd RET   read 40/0x28
 23497      2 xenbackendd CALL  read(4,0x7f7ffd407180,0x10)
 23497      2 xenbackendd GIO   fd 4 read 16 bytes
       "\^P\0\0\0\0\0\0\0\0\0\0\0\a\0\0\0"
 23497      2 xenbackendd RET   read 16/0x10
 23497      2 xenbackendd CALL  read(4,0x7f7ffd409078,7)
 23497      2 xenbackendd GIO   fd 4 read 7 bytes
       "ENOENT\0"
 23497      2 xenbackendd RET   read 7
 23497      2 xenbackendd CALL  _lwp_unpark(1,0x7f7ffd4010d8)
 23497      2 xenbackendd RET   _lwp_unpark 0
 23497      2 xenbackendd CALL  read(4,0x7f7ffd4071b0,0x10)
 23497      1 xenbackendd RET   _lwp_park 0
 23497      1 xenbackendd CALL
__sigaction_sigtramp(SIGPIPE,0x7f7fffffda20,0,0x7f7ffd77f610,2)
 23497      1 xenbackendd RET   __sigaction_sigtramp 0
 23497      1 xenbackendd CALL  issetugid
 23497      1 xenbackendd RET   issetugid 0
 23497      1 xenbackendd CALL  issetugid
 23497      1 xenbackendd RET   issetugid 0
 23497      1 xenbackendd CALL  open(0x7f7fffffcdd0,0,0)
 23497      1 xenbackendd NAMI  "/usr/share/nls/nls.alias.db"
 23497      1 xenbackendd RET   open -1 errno 2 No such file or
directory
 23497      1 xenbackendd CALL  open(0x7f7ffd7debbf,0,0xfd60e778)
 23497      1 xenbackendd NAMI  "/usr/share/nls/nls.alias"
 23497      1 xenbackendd RET   open 6
 23497      1 xenbackendd CALL  fcntl(6,2,1)
 23497      1 xenbackendd RET   fcntl 0
 23497      1 xenbackendd CALL  __fstat30(6,0x7f7fffffcd10)
 23497      1 xenbackendd RET   __fstat30 0
 23497      1 xenbackendd CALL  mmap(0,0x5f0,1,2,6,0,0)
 23497      1 xenbackendd RET   mmap 140187698880512/0x7f7ffdfe6000
 23497      1 xenbackendd CALL  close(6)
 23497      1 xenbackendd RET   close 0
 23497      1 xenbackendd CALL  munmap(0x7f7ffdfe6000,0x5f0)
 23497      1 xenbackendd RET   munmap 0
 23497      1 xenbackendd CALL  open(0x7f7fffffd260,0,0xfd7dc801)
 23497      1 xenbackendd NAMI  "/usr/share/nls/C/libc.cat"
 23497      1 xenbackendd RET   open 6
 23497      1 xenbackendd CALL  __fstat30(6,0x7f7fffffd1b0)
 23497      1 xenbackendd RET   __fstat30 0
 23497      1 xenbackendd CALL  mmap(0,0x10be,1,1,6,0,0)
 23497      1 xenbackendd RET   mmap 140187698876416/0x7f7ffdfe5000
 23497      1 xenbackendd CALL  close(6)
 23497      1 xenbackendd RET   close 0
 23497      1 xenbackendd CALL  munmap(0x7f7ffdfe5000,0x10be)
 23497      1 xenbackendd RET   munmap 0
 23497      1 xenbackendd CALL  write(2,0x7f7fffffd250,0x56)
 23497      1 xenbackendd GIO   fd 2 wrote 86 bytes
       "Failed to read /local/domain/0/backend/console/102/0/state (No
such file or directory)"
 23497      1 xenbackendd RET   write 86/0x56
 23497      1 xenbackendd CALL  write(2,0x5025f7,1)
 23497      1 xenbackendd GIO   fd 2 wrote 1 bytes
       "\n"
 23497      1 xenbackendd RET   write 1
 23497      1 xenbackendd CALL  gettimeofday(0x7f7fffffcc60,0)
 23497      1 xenbackendd RET   gettimeofday 0
 23497      1 xenbackendd CALL  access(0x7f7ffd7dea20,4)
 23497      1 xenbackendd NAMI  "/etc/localtime"
 23497      1 xenbackendd RET   access 0
 23497      1 xenbackendd CALL  open(0x7f7ffd7dea20,0,0)
 23497      1 xenbackendd NAMI  "/etc/localtime"
 23497      1 xenbackendd RET   open 6
 23497      1 xenbackendd CALL  read(6,0x7f7fffffa370,0x249c)
 23497      1 xenbackendd GIO   fd 6 read 837 bytes
       "TZif\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\^D\0\0\0\^D\0\0\0\0\0
\0\0\M^U\0\0\0\^D\0\0\0\^P\M^^\M-&\
        \^^p\M^_\M-:\M-k`\240\M^F\0p\M-!\M^Z\M-M`\M-K\M^H\M-pp\M-R#\M-tp
\M-R`\M-{\M-`\M-z\M-xX\M-p\M-{\M-h;\
        \M-`\M-|\M-X:\M-p\M-}\M-H\^]\M-`\M-~\M-8\^\\M-p\M^?\M-'\M^?\M-`
\0\M^W\M-~\M-p\^A\M^G\M-a\M-`\^Bw\
        \M-`\M-p\^Cp\M-~`\^D`\M-}p\^EP\M-``\^F@\M-_p\a0\M-B`\a\M^M\^Yp
\^P\M-$`        \M--\M^T\M-p\n\M-p\
        \M^F`\v\M-`\M^Ep\f\M-Y\M-"\M-`\r\M-@gp\^N\M-9\M^D\M-`\^O\M-)\M^C
\M-p\^P\M^Yf\M-`\^Q\M^Ie\M-p\^RyH\
        \M-`\^SiG\M-p\^TY*\M-`\^UI)\M-p\^V9\f\M-`\^W)\v\M-p\^X\")`\^Y\b
\M-m\M-p\^Z\^B\v`\^Z\M-r\np\^[\M-a\
        \M-m`\^\\M-Q\M-lp\^]\M-A\M-O`\^^\M-1\M-Np\^_\M-!\M-1` v\0\M-p!
\M^A\M^S`\"U\M-b\M-p#j\M-/\M-`$5\M-D\
        \M-p%J\M^Q\M-`&\^U\M-&\M-p'*s\M-`'\M-~\M-Cp)\nU\M-`)\M-^\M-%p*
\M-j7\M-`+\M->\M^Gp,\M-ST`-\M^^ip.\
        \M-36`/~Kp0\M^S\^X`1gg\M-p2r\M-z`3GI\M-p4R\M-\`5'+\M-p62\M->`7\a
\r\M-p8\^[\M-Z\M-`8\M-f\M-o\M-p9\
        \M-{\M-<\M-`:\M-F\M-Q\M-p;\M-[\M^^\M-`<\M-/\M-np=\M-;\M^@
\M-`>\M^O\M-Pp?\M^[b\M-`@o\M-2pA\M^D\^?`BO\
        \M^TpCda`D/vpEDC`E\M-s\M-(\M-pG-_\M-`G\M-S\M^J\M-pI\rA\M-`I\M-3l
\M-pJ\M-m#\M-`K\M^\\M^IpL\M-V@`M|kp\
        N\M-6\"`O\\MpP\M^V\^D`Q</pRu\M-f`S\^\\^QpTU\M-H`T\M-{\M-spV5
\M-*`V\M-e\^O\M-pX\^^\M-F\M-`X\M-D\M-q\
        \M-pY\M-~\M-(\M-`Z\M-$\M-S\M-p[\M-^\M^J\M-`\\\M^D\M-5\M-p]\M->l
\M-`^d\M^W\M-p_\M^^N\M-``M\M-4pa\M^G\
        k`b-\M^VpcgM`d\rxpeG/`e\M-mZpg'\^Q`g\M-M<pi\^F\M-s`i\M--\^^pj
\M-f\M-U`k\M^V:\M-pl\M-O\M-q\M-`mv\^\\
        \M-pn\M-/\M-S\M-`oU\M-~\M-pp\M^O\M-5\M-`q5\M-`\M-pro\M^W\M-`s\^U
\M-B\M-ptOy\M-`t\M-~\M-_pv8\M^V`v\
        \M-^\M-Apx\^Xx`x\M->\M-#py\M-xZ`z\M^^\M^Ep{\M-X<`|~gp}\M-8
\^^`~^Ip\^?\M^X\0`\0\^A\0\^A\^B\^C\^A\0\
        \^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A
\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\
        \0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0
\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\
        \^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A
\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\
        \0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A\0\^A
\M^?\M^?\M-G\M-@\^A\0\M^?\M^?\M-9\M-0\0\
        \^D\M^?\M^?\M-G\M-@\^A\b\M^?\M^?\M-G\M-@\^A\fEDT\0EST\0EWT\0EPT
\0\0\0\0\^A\0\0\0\^A"
 23497      1 xenbackendd RET   read 837/0x345
 23497      1 xenbackendd CALL  close(6)
 23497      1 xenbackendd RET   close 0
 23497      1 xenbackendd CALL  getpid
 23497      1 xenbackendd RET   getpid 23497/0x5bc9, 12144/0x2f70
 23497      1 xenbackendd CALL  fcntl(3,3,0)
 23497      1 xenbackendd RET   fcntl 2
 23497      1 xenbackendd CALL  fcntl(3,3,0)
 23497      1 xenbackendd RET   fcntl 2
 23497      1 xenbackendd CALL  sendto(3,0x7f7fffffcd30,0x7e,0,0,0)
 23497      1 xenbackendd MISC  msghdr: 48,
000000000000000000000000ffffffff10ac081f00a0ffff0100000000a0ffff00000000000000000830e41f00000000
 23497      1 xenbackendd RET   sendto 126/0x7e
 23497      1 xenbackendd CALL  _lwp_park(0,0,0x7f7ffd401078,0)



On Sun, 2008-04-13 at 20:20 -0400, Brian A. Seklecki wrote:
> On Sat, 2008-04-12 at 10:57 +0300, Anzi wrote:
> > Hi,
> > 
> > Try with
> > 
> > disk = [ 'file:/home/seklecki/6.3-RELEASE-i386-bootonly.iso,ioemu:hdb,r' ]
> > 
> > did you also created xen devices in /dev ? (from netbsd howto: Make sure 
> > that |/dev/xencons| and |/dev/xenev exists..) you can create them with |
> > 
> > # cd /dev && sh MAKEDEV xen
> 
> Yea -- I've go





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References:
- First attempt at HVM: vbd problems
  - From: Brian A. Seklecki
- Re: First attempt at HVM: vbd problems
  - From: Anzi
- Re: First attempt at HVM: vbd problems
  - From: Brian A. Seklecki
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