hi,

im facing a problem of unable to mount VFS on block..
The kernel i've used is linux-2.4.20 and uml-patch-2.4.20-6.

Can i use any root_fs dowmloaded from sourceforge.net.

hi,
could you plz. explain your problem.

regards

hi,

Thanks for ur reply.
The problem i'm facing while booting up uml kernel is..............

Checking for the skas3 patch in the host...not found
Checking for /proc/mm...not found
tracing thread pid = 3862
Linux version 2.4.20-6um (root@localhost.localdomain) (gcc version 3.2.2 20030222 (Re
d Hat Linux 3.2.2-5)) #7 Thu Mar 23 12:59:50 IST 2006
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: /dev/ubd0=../root_fs.rh-7.2-server.pristine.20020312 root=/dev/u
bd0
Calibrating delay loop... 1526.17 BogoMIPS
Memory: 27644k available
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (order: 2, 16384 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 8192 (order: 3, 32768 bytes)
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
VFS: Diskquotas version dquot_6.4.0 initialized
devfs: v1.12c (20020818) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
Initializing software serial port version 1
mconsole (version 2) initialized on /root/.uml/YVFB5q/mconsole
unable to open root_fs for validation
Initializing stdio console driver
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 4096)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
IPv6 v0.8 for NET4.0
IPv6 over IPv4 tunneling driver
VFS: Cannot open root device "ubd0" or 62:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 62:00

regards

hi,

Thanks for ur reply.

The problem i'm facing while booting up uml kernel is..............

Checking for the skas3 patch in the host...not found
Checking for /proc/mm...not found
tracing thread pid = 3862
Linux version 2.4.20-6um (root@localhost.localdomain) (gcc version 3.2.2 20030222 (Re
d Hat Linux 3.2.2-5)) #7 Thu Mar 23 12:59:50 IST 2006
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: /dev/ubd0=../root_fs.rh-7.2-server.pristine.20020312 root=/dev/u
bd0
Calibrating delay loop... 1526.17 BogoMIPS
Memory: 27644k available
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (order: 2, 16384 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 8192 (order: 3, 32768 bytes)
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
VFS: Diskquotas version dquot_6.4.0 initialized
devfs: v1.12c (20020818) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
Initializing software serial port version 1
mconsole (version 2) initialized on /root/.uml/YVFB5q/mconsole
unable to open root_fs for validation
Initializing stdio console driver
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 4096)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
IPv6 v0.8 for NET4.0
IPv6 over IPv4 tunneling driver
VFS: Cannot open root device "ubd0" or 62:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 62:00

regards