While uml now mostly works, and keeps working happily as soon as it has
booted, sometimes it refuses to boot. Seems pretty random to me. Sometimes
it boots, sometimes it doesn't. If I retry a couple of times it usually
decides to boot after a while. Strange thing is it hangs before even
trying to kick up kernel:
strace -o /tmp/common ./linux ubd0=root_fs ubd1=swap_fs mem=256m
eth0=tuntap,,,192.168.20.201 con=null con0=fd:0,fd:1 con1=fd:0,fd:1 rw
[ Process PID=16415 runs in 32 bit mode. ]
Checking PROT_EXEC mmap in /tmp...OK
Checking for /proc/mm...not found
Checking for the skas3 patch in the host...not found
UML running in SKAS0 mode
(hangs forever, non-busy hang)
Strace says:
...
gettimeofday({4208158550113768, 0}, NULL) = 0
rt_sigprocmask(SIG_UNBLOCK, [], [USR2 ALRM VTALRM WINCH IO], 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, NULL, [USR2 ALRM VTALRM WINCH IO], 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
gettimeofday({4208815680110056, 0}, NULL) = 0
rt_sigprocmask(SIG_UNBLOCK, [], [USR2 ALRM VTALRM WINCH IO], 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, NULL, [USR2 ALRM VTALRM WINCH IO], 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
gettimeofday({4209524349713896, 0}, NULL) = 0
rt_sigprocmask(SIG_UNBLOCK, [], [USR2 ALRM VTALRM WINCH IO], 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, [ALRM VTALRM IO], NULL, 8) = 0
setitimer(ITIMER_VIRTUAL, {it_interval={0, 0}, it_value={0,
11546799002955546628}}, NULL) = 0
setitimer(ITIMER_REAL, {it_interval={42949672960000, 42949672960000},
it_value={0, 0}}, NULL) = 0
sigreturn() = -1 EINTR (Interrupted system call)
nanosleep({10, 11529697691411839896},
...
(repeats)
Host is unpatched 2.6.14.3 on amd64 (athlon64 dual core). Guest is
2.6.14.3-bs1.
Ideas?
// Joel
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