Re: [uml-user] Pb with 2.4.10-4 and devfs=nomount ?

[Jacques N. <jn...@us...>]

Sorry for my previous post where debug was run with a stripped linux
kernel. :-(
Here are the results:

linux:~$ ./linuxfull ubd0=root_fs_tomrtbt_1.7.205 devfs=nomount debug
tracing thread pid = 490
Linux version 2.4.10-4um (lrp@linux) (gcc version 2.95.2 20000220
(Debian GNU/Linux)) #1 Tue Oct 2 19:55:02 CEST 2001
On node 0 totalpages: 8192
zone(0): 0 pages.
zone(1): 8192 pages.
zone(2): 0 pages.
Kernel command line: ubd0=root_fs_tomrtbt_1.7.205 devfs=nomount debug
root=/dev/ubd0
Calibrating delay loop... 33.75 BogoMIPS
Memory: 32244k 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)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Starting kswapd
VFS: Diskquotas version dquot_6.4.0 initialized
devfs: v0.116 (20010919) Richard Gooch (rg...@at...)
devfs: boot_options: 0x0
pty: 256 Unix98 ptys configured
block: 64 slots per queue, batch=8
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
loop: loaded (max 8 devices)
PPP generic driver version 2.4.1
Universal TUN/TAP device driver 1.4 (C)1999-2001 Maxim Krasnyansky
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 2048)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
Initializing stdio console driver
Initializing software serial port version 1
mconsole initialized on /tmp/uml/lhBBYt/mconsole
VFS: Mounted root (ext2 filesystem) readonly.
INIT: version 2.60 booting
<HANG here>

Debug window:

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0xa00b2151 in kill () at af_netlink.c:947
947     }
Breakpoint 1 at 0xa000b0fa: file panic.c, line 52.
Breakpoint 2 at 0xa00a729a: file user_util.c, line 172.
Breakpoint 3 at 0xa0001589: file init/main.c, line 535.

Breakpoint 3, start_kernel () at init/main.c:535
535             setup_arch(&command_line);
(gdb) c
Continuing.
bt

Program received signal SIGINT, Interrupt.
0xa00bf8d1 in nanosleep () at af_netlink.c:947
947     }
(gdb) bt
#0  0xa00bf8d1 in nanosleep () at af_netlink.c:947
#1  0xa00a4800 in idle_sleep (secs=10) at time.c:108
#2  0xa00a7ec5 in do_idle () at process_kern.c:439
#3  0xa00a7f7c in cpu_idle () at process_kern.c:466
#4  0xa000858e in rest_init () at init/main.c:517
#5  0xa00016c4 in start_kernel () at init/main.c:602
#6  0xa00a6129 in start_kernel_proc (unused=0x0) at um_arch.c:106
#7  0xa00a5697 in signal_tramp (arg=0xa00a60f0) at trap_user.c:61
(gdb)

I checked that netlink_dev was indeed insmoded:
Module                  Size  Used by
ethertap                2244   0  (unused)
netlink_dev             1472   0  (unused)
eepro100               14872   1
unix                   11332  23  (autoclean)
linux:~#

Jacques