Problems with Hurd on Mach on Xen: disk access

[Thomas Schwinge]

Hello Samuel, as well as the remaining interested audience!

#v+
$ sudo xm create -c gnuzifer
WARING!  Can't find version 3.1.0 of xen utils, fallback to default version!
Using config file "/etc/xen/gnuzifer".
GNU Mach 1.3.99
Running on xen-3.0-x86_32. 
One module @8c000: 1036KB  
AT386 boot: physical memory from 0x0 to 0x6000000
Started domain gnuzifer
                       hd0: dom0's VBD 768 (sledgehammer/gnuzifer-root,w) 2048MB
hd1: dom0's VBD 832 (sledgehammer/gnuzifer-swap,w) 100MB
hd2: dom0's VBD 5632 (sledgehammer/gnuzifer-data,w) 2048MB
eth0: dom0's VIF 0 00:16:3e:ff:42:23
module 0: /hurd/ext2fs.static --multiboot-command-line=${kernel-command-line} 
--host-priv-port=${host-port} --device-master-port=${device-port}
module 1: /lib/ld.so.1 /hurd/exec $(exec-task=task-create)                      
                                                               
2 multiboot modules                                                             
                                                               
                                                                                
          task loaded: /hurd/ext2fs.static --multiboot-command-
line=root=device:hd0  --host-priv-port=1 --device-master-port=2 
--exec-server-task=3 -T typed device:hd0
task loaded: /lib/ld.so.1 /hurd/exec

start /hurd/ext2fs.static: hd0 count 1
Hurd server bootstrap: ext2fs.static[device:hd0] exec init proc authhd1 count 1
re-open, hd1 count 2
swapon: /dev/hd1: Linux 2.2 swap signature v1, 102396k swap-space (excludes 8k 
at end of partition)
Automatic boot in progress...
Sat Oct 13 14:30:23 CEST 2007
fsck 1.39-WIP (31-Dec-2005)
re-open, hd0 count 2
re-open, hd0 count 3
ext2fs_check_if_mount: (os/kern) invalid address while determining whether 
/dev/hd0 is mounted.
re-open, hd0 count 4
/dev/hd0: clean, 62394/246784 files, 280683/524288 blocks
cleaning up left over files...done
Starting OpenBSD Secure Shell server: sshdeth0 count 1
.
Not starting internet superserver: no services enabled.
Sat Oct 13 14:30:33 CEST 2007


GNU 0.3 (gnuzifer) (console)

Use `login USER' to login, or `help' for more information.
login> login tschwinge
Password:
tschwinge@gnuzifer:~ $ sudo mkfs.ext2 /dev/hd2
mke2fs 1.39-WIP (31-Dec-2005)
hd2 count 1
re-open, hd2 count 2
re-open, hd2 count 3
ext2fs_check_if_mount: (os/kern) invalid address while determining whether 
/dev/hd2 is mounted.
re-open, hd2 count 4
re-open, hd2 count 5
re-open, hd2 count 6
Filesystem label=
OS type: Hurd
Block size=4096 (log=2)
Fragment size=4096 (log=2) 
262144 inodes, 524288 blocks
26214 blocks (5.00%) reserved for the super user
First data block=0
16 block groups
32768 blocks per group, 32768 fragments per group
16384 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912

Assertion `copy->size <= PAGE_SIZE' failed in file "xen/block.c", line 457
panic: Debugger invoked, but there isn't one!
[gnuzifer terminated.]
#v-

/etc/xen/gnuzifer
#v+
kernel = "/boot/gnumach-xen"
memory = 96
disk = ['phy:sledgehammer/gnuzifer-root,hda,w', 
'phy:sledgehammer/gnuzifer-swap,hdb,w', 'phy:sledgehammer/gnuzifer-data,hdc,w']
extra = "root=device:hd0 "
vif = [ 'mac=00:16:3e:ff:42:23' ]
ramdisk = "/boot/hurd-modules"
hostname = "gnuzifer"
#v-


#v+
  --- Logical volume ---
  LV Name                /dev/sledgehammer/gnuzifer-root
  VG Name                sledgehammer
  LV UUID                89x0au-ssoD-ag3k-oxj9-sRaJ-fhFE-NhW40V
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                2,00 GB
  Current LE             512
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:0
   
  --- Logical volume ---
  LV Name                /dev/sledgehammer/gnuzifer-swap
  VG Name                sledgehammer
  LV UUID                lSRdLT-0ime-iUue-jcvr-209N-Focd-XaSQd9
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                100,00 MB
  Current LE             25
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:1
   
  --- Logical volume ---
  LV Name                /dev/sledgehammer/gnuzifer-data
  VG Name                sledgehammer
  LV UUID                YgNOrX-7Nj8-LRi5-YaBI-5mzb-7i9I-uvLOux
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                2,00 GB
  Current LE             512
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:2
#v-


Regards,
 Thomas

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