On 01/14/2019 06:02 PM, David C. Rankin wrote:
I straced the actual opening of VirtualBox to change from KVM back to
Default, and strace writing to stderr blew up, e.g. over 2M of output, just to
change from KVM to Default, e.g.
strace: Process 32452 attached
[pid 32452] futex(0x7fffd1f3e3d8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 32493] execve("/usr/bin/VirtualBox", ["VirtualBox"], 0x7fff9884a800 /* 31
vars */) = 0
<snip>
Ooh... Further on, I'm betting the "+++ killed by SIGABRT (core dumped) +++"
shouldn't be there:
[pid 32452] poll([{fd=3, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=3,
revents=POLLOUT}])
[pid 32452] writev(3, [{iov_base="b\0\4\0\6\0@\4", iov_len=8},
{iov_base="RENDER", iov_len=6}, {iov_base="\0\0", io
v_len=2}], 3) = 16
[pid 32452] futex(0x7fffd1f3f468, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 32493] +++ killed by SIGABRT (core dumped) +++
<... futex resumed> ) = 0
futex(0x2982778, FUTEX_WAKE_PRIVATE, 1) = 0
futex(0x2a27454, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x2a27400, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x2a3e7d8, FUTEX_WAKE_PRIVATE, 1) = 1
write(5, "\1\0\0\0\0\0\0\0", 8) = 8
read(8, "\372", 1) = 1
poll([{fd=5, events=POLLIN}, {fd=8, events=POLLIN}], 2, 0) = 1 ([{fd=5,
revents=POLLIN}])
read(5, "\7\0\0\0\0\0\0\0", 16) = 8
write(5, "\1\0\0\0\0\0\0\0", 8) = 8
poll([{fd=3, events=POLLIN|POLLOUT}], 1, -1) = 1 ([{fd=3, revents=POLLOUT}])
writev(3, [{iov_base="+\0\1\0", iov_len=4}], 1) = 4
futex(0x7fffd1f3e3d8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x2982778, FUTEX_WAKE_PRIVATE, 1) = 0
write(5, "\1\0\0\0\0\0\0\0", 8) = 8
brk(0x51c1000) = 0x51c1000
Open a bug report?
