Hi. I was getting an immediate kernel panic booting up a guest kernel. Turned out to be because I had the static link UML compile option turned on (I found the problem report in the mailing list).

Now the guest starts up then just freezes / does nothing at "Initializing stdio console driver"

http://206.123.108.130/.config
http://206.123.108.130/linux.2.6.9-bb4-rimu2

uml guest: 2.6.9 + bb4
host: 2.6.8-skas3.v6

The last bit of strace output:

open("/lib/i686/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\\\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1555708, ...}) = 0
old_mmap(NULL, 1284132, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x4001a000
old_mmap(0x4014e000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x133000) = 0x4014e000
old_mmap(0x40151000, 10276, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x40151000
close(3) = 0
rt_sigprocmask(SIG_SETMASK, [IO], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
brk(0) = 0x8359000
brk(0x837a000) = 0x837a000
brk(0) = 0x837a000
rt_sigaction(SIGINT, {0x805b0ec, [], SA_RESTORER|SA_NOMASK|SA_ONESHOT, 0x40042bb8}, NULL, 8) = 0
rt_sigaction(SIGTERM, {0x805b0ec, [], SA_RESTORER|SA_NOMASK|SA_ONESHOT, 0x40042bb8}, NULL, 8) = 0
rt_sigaction(SIGHUP, {0x805b0ec, [], SA_RESTORER|SA_NOMASK|SA_ONESHOT, 0x40042bb8}, NULL, 8) = 0
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40154000
mmap2(NULL, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40155000
clone(Process 3945 attached
child_stack=0x40155fd8, flags=0|SIGCHLD) = 3945
[pid 3944] waitpid(3945, Process 3944 suspended
<unfinished ...>
[pid 3945] getpid() = 3945
[pid 3945] getppid() = 3944
[pid 3945] ptrace(PTRACE_TRACEME, 0, 0, 0) = -1 EPERM (Operation not permitted)
[pid 3945] dup(2) = 3
[pid 3945] fcntl64(3, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE)
[pid 3945] fstat64(3, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0
[pid 3945] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40156000
[pid 3945] _llseek(3, 0, 0x40155a44, SEEK_CUR) = -1 ESPIPE (Illegal seek)
[pid 3945] write(3, "ptrace: Operation not permitted\n", 32ptrace: Operation not permitted
) = 32
[pid 3945] close(3) = 0
[pid 3945] munmap(0x40156000, 4096) = 0
[pid 3945] kill(3945, SIGKILL) = 0
[pid 3945] +++ killed by SIGKILL +++



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