Total Noob.
This is my first attempt at getting into UML. Not good so far.
I downloaded 2.6.17 32-bit x86 kernel from nagafix (http://uml.nagafix.co.uk/)
and it bombs on startup.
Host is FC4 at 2.6.17 (32bit x86) SMP on hyperthreaded P4.
Running in strace I see the following. The important bit seems to be the
delivery of SIGVTALRM leading to segfault.
Any clues?
(Hope Yahoo mail doesn't mangle the cut and paste too much).
... more strace prior to this
19:40:30.329668 getpid() = 7932
19:40:30.329747 kill(7932, SIGUSR1) = 0
19:40:30.330000 --- SIGUSR1 (User defined signal 1) @ 0 (0) ---
19:40:30.330268 rt_sigprocmask(SIG_UNBLOCK, [USR1], [USR1], 8) = 0
19:40:30.330828 sigaltstack({ss_sp=0, ss_flags=SS_DISABLE, ss_size=0}, NULL) =
0
19:40:30.331170 getpid() = 7932
19:40:30.342354 uname({sys="Linux", node="mercury.optusnet.com.au", ...}) = 0
19:40:30.345141 rt_sigaction(SIGVTALRM, {0x807f99c, [VTALRM], SA_RESTART},
{0x807f99c, [USR1 ALRM WINCH IO], SA_STACK|SA_RESTART}, 8) = 0
19:40:30.345758 setitimer(ITIMER_VIRTUAL, {it_interval={0, 10000}, it_value={0,
10000}}, NULL) = 0
19:40:30.346334 gettimeofday({1154770830, 346566}, NULL) = 0
19:40:30.348349 mmap2(0x968f000, 5705728, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, 4, 0x168f) = 0x968f000
19:40:30.348944 mmap2(0x968f000, 5705728, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, 4, 0x168f) = 0x968f000
19:40:30.349678 mmap2(0x8000000, 294912, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, 4, 0) = 0x8000000
19:40:30.363481 --- SIGVTALRM (Virtual timer expired) @ 0 (0) ---
19:40:30.364039 --- SIGSEGV (Segmentation fault) @ 0 (0) ---
19:40:30.364341 rt_sigprocmask(SIG_UNBLOCK, [SEGV], [USR1 SEGV ALRM VTALRM
WINCH IO], 8) = 0
19:40:30.364932 rt_sigprocmask(SIG_UNBLOCK, [USR1], [USR1 ALRM VTALRM WINCH
IO], 8) = 0
19:40:30.367778 open("~/.uml/", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) =
-1 ENOENT (No such file or directory)
19:40:30.371520 write(1, "remove_umid_dir - actually_do_re"...,
58remove_umid_dir - actually_do_remove failed with err = -2
) = 58
19:40:30.372316 getpid() = 7932
19:40:30.372672 rt_sigprocmask(SIG_BLOCK, [PROF], [ALRM VTALRM WINCH IO], 8) =
0
19:40:30.373239 setitimer(ITIMER_VIRTUAL, {it_interval={0, 0}, it_value={0,
0}}, NULL) = 0
19:40:30.373730 setitimer(ITIMER_REAL, {it_interval={0, 0}, it_value={0, 0}},
NULL) = 0
19:40:30.374112 rt_sigaction(SIGALRM, {SIG_IGN}, NULL, 8) = 0
19:40:30.374645 rt_sigprocmask(SIG_UNBLOCK, [ALRM], NULL, 8) = 0
19:40:30.375198 rt_sigaction(SIGVTALRM, {SIG_IGN}, NULL, 8) = 0
19:40:30.375508 rt_sigprocmask(SIG_UNBLOCK, [VTALRM], NULL, 8) = 0
19:40:30.375774 rt_sigaction(SIGIO, {SIG_IGN}, NULL, 8) = 0
19:40:30.376318 rt_sigprocmask(SIG_UNBLOCK, [IO], NULL, 8) = 0
19:40:30.376682 write(1, "\n", 1
) = 1
19:40:30.377258 munmap(0x947000, 4096) = 0
19:40:30.377754 exit_group(1) = ?
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