From a83964bbd21dde0ca52a92cd070f60d4fc2a7e7e Mon Sep 17 00:00:00 2001 From: "https://www.google.com/accounts/o8/id?id=AItOawkDt2vwi7MECPF4_fVO75ZNRtTj0Z0bY2g" Date: Wed, 24 Aug 2011 08:07:15 +0200 Subject: more info added --- open_issues/runit.mdwn | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/open_issues/runit.mdwn b/open_issues/runit.mdwn index c7a0962c..6b336ef7 100644 --- a/open_issues/runit.mdwn +++ b/open_issues/runit.mdwn @@ -17,3 +17,45 @@ report is just from his memory, and his memory is dim... The problem *might* either be a time stamping issue (which might be fixed by now) or it *might* be the `select` call failing issue we're seeing from time to time. Or something else. + +[[Harish Badrinath|harishbadrinath]] +Originally answered by Samuel Thibault: +> 120->proc_dostop_request ( 138) = 0 +> +> + +Usual issue with rpctrace: it does not support fork(). + +I've checked a backtrace in gdb, got this: + + 0x0105af6c in mach_msg_trap () + at /build/eglibc-jWVnRE/eglibc-2.13/build-tree/hurd-i386-libc/mach/mach_msg_trap.S:2 + +1 0x0105b769 in __mach_msg (msg=0x1024af8, option=258, send_size=0, rcv_size=40, rcv_name=140, + timeout=1000020, notify=0) at msg.c:110 + +2 0x01062251 in _hurd_select (nfds=2, pollfds=0x1024dc0, readfds=0x0, writefds=0x0, exceptfds=0x0, + timeout=0x1024bbc, sigmask=0x0) at hurdselect.c:324 + +3 0x0114427b in __poll (fds=0x1024dc0, nfds=2, timeout=1000020) at ../sysdeps/mach/hurd/poll.c:48 + +4 0x0804b770 in iopause (x=0x1024dc0, len=2, deadline=0x1024dd8, stamp=0x1024de8) at iopause.c:29 + +5 0x08048efc in main (argc=2, argv=0x1024e94) at runsv.c:543 + + +and main() shows up as: + + sig_unblock(sig_term); + + sig_unblock(sig_child); + + -> iopause(x, 2 +haslog, &deadline, &now); + + sig_block(sig_term); + + sig_block(sig_child); + + +So it simply looks like the known "signals don't interrupt select" bug. + -- cgit v1.2.3