By enabling CONFIG_BLK_DEV_UBD as suggested by blaisorblade in an earlier
post, I don't have the VFS: Unable to mount root fs on unknown-block(98,0)
problem anymore.
However I hit yet another problem -- Kernel panic - not syncing:
copy_context_skas0 - stub-child reports error 12345678.
It also says skas3 patch not found in the host, do I need to apply the
patch?
#host> linux stderr=1 ubd0=../root_fs.rh-7.2-server.pristine.20020312
Checking for /proc/mm...not found
Checking for the skas3 patch in the host...not found
UML running in SKAS0 mode
Checking PROT_EXEC mmap in /tmp...OK
Linux version 2.6.13.3 ([EMAIL PROTECTED]) (gcc version 3.2.2 20030222 (Red Hat
Linux 3.2.2-5)) #3 Fri Oct 7 09:02:14 MDT 2005
Built 1 zonelists
Kernel command line: stderr=1
ubd0=../root_fs.rh-7.2-server.pristine.20020312 root=98:0
PID hash table entries: 256 (order: 8, 4096 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 29152k available
Mount-cache hash table entries: 512
Checking for host processor cmov support...Yes
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...missing
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
Checking for /dev/anon on the host...Not available (open failed with errno
2)
NET: Registered protocol family 16
mconsole (version 2) initialized on /home/yotta/ktan/.uml/JiOltD/mconsole
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
md: md driver 0.90.2 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 3.38
NET: Registered protocol family 2
IP route cache hash table entries: 512 (order: -1, 2048 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 8
NET: Registered protocol family 20
Initialized stdio console driver
ubda: unknown partition table
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
VFS: Mounted root (ext2 filesystem) readonly.
Warning: unable to open an initial console.
line_ioctl: tty0: ioctl KDSIGACCEPT called
INIT: version 2.78 booting
Kernel panic - not syncing: copy_context_skas0 - stub-child reports error
12345678
EIP: 0023:[<400d50a7>] CPU: 0 Not tainted ESP: 002b:bfa9fbbc EFLAGS:
00200246
Not
tainted
EAX: ffffffda EBX: bfa9fd00 ECX: bfa9fd00 EDX: bfa9fc80
ESI: 0804daa2 EDI: bfa9fc80 EBP:
bfa9fea8 DS: 002b ES: 002b
a02f7860: [<a004c032>] notifier_call_chain+0x1e/0x38
a02f7880:
[<a003b5ad>] panic+0x55/0xfc
a02f78a0: [<a001af19>] copy_context_skas0+0x189/0x214
a02f7920:
[<a0060e49>] buffered_rmqueue+0x17d/0x1dc
a02f7970: [<a001a426>] init_stub_pte+0x26/0x80
a02f7990:
[<a001a588>] init_new_context_skas+0x108/0x138
a02f79c0: [<a0039b9e>] copy_mm+0x3a2/0x3b4
a02f79f0:
[<a0064b22>] kmem_cache_alloc+0x32/0x50
a02f7a10: [<a003a62f>] copy_process+0x62f/0xf84
a02f7a20:
[<a003abcc>] copy_process+0xbcc/0xf84
a02f7a28: [<a00179d6>] setjmp_wrapper+0x16/0x50
a02f7a50: [<a0014641>] change_signals+0x41/0x6c
a02f7ad0: [<a001beda>] buffer_op+0x2a/0x5c
a02f7ad4:
[<a001bd74>] do_buffer_op+0x0/0x13c
a02f7af0: [<a003b053>] do_fork+0x57/0x1cc
a02f7b20:
[<a001bfcc>] copy_chunk_to_user+0x0/0x28
a02f7b60: [<a001489f>] sys_fork+0x7b/0x9c
a02f7ba0:
[<a001b93e>] execute_syscall_skas+0xde/0xe8
a02f7bc0: [<a000f15f>] run_init_process+0x43/0x70
a02f7c20:
[<a001b960>] handle_syscall+0x18/0x2c
a02f7c40: [<a001a81f>] handle_trap+0x3b/0x114
a02f7c70:
[<a001ad5e>] userspace+0x19e/0x1d0
a02f7cd4: [<a000f18c>] init+0x0/0x10c
a02f7ce0: [<a001b487>]
new_thread_handler+0xe7/0x11c
a02f7cf0: [<a001b46d>] new_thread_handler+0xcd/0x11c
a02f7d20:
[<a0158258>] __restore+0x0/0x8
a02f7d60: [<a01584c1>] kill+0x11/0x20
actually_do_remove : couldn't
rmdir '/home/yotta/ktan/.uml/JiOltD', errno = 39
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