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authorRickard Green <[email protected]>2016-08-12 14:07:05 +0200
committerRickard Green <[email protected]>2016-08-12 14:07:05 +0200
commit3e30322d21066ccbd522a7328b455f57d62b94d0 (patch)
treeb80c6cdd208ef06d229d34991221e466cc72be02 /erts
parent240846e5dc852eb6af7e2047d1dd757960780244 (diff)
parent49722eb3e32b92563e576283d84531797c2a3627 (diff)
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Merge branch 'maint'
* maint: Updated OTP version Prepare release Avoid segfault when printing slogan after crashdumping Fix race causing lost wakeup on receive-after timeout Conflicts: OTP_VERSION
Diffstat (limited to 'erts')
-rw-r--r--erts/doc/src/notes.xml23
-rw-r--r--erts/emulator/beam/beam_emu.c5
-rw-r--r--erts/emulator/beam/erl_hl_timer.c5
-rw-r--r--erts/emulator/beam/erl_init.c5
-rw-r--r--erts/vsn.mk2
5 files changed, 35 insertions, 5 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 748fa895e8..ca3f654c36 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -32,6 +32,29 @@
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 8.0.3</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fixed a race that could cause a lost wakeup of a process
+ that timed out in a <c>receive ... after</c>. This bug
+ was introduced in ERTS version 7.0.</p>
+ <p>
+ Own Id: OTP-13798 Aux Id: OTP-11997 </p>
+ </item>
+ <item>
+ <p>
+ Fixed segfault after writing an erl crash dump.</p>
+ <p>
+ Own Id: OTP-13799</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 8.0.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 757b69787a..6100c6c923 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -2161,7 +2161,10 @@ void process_main(void)
c_p->i = (BeamInstr *) Arg(0); /* L1 */
SWAPOUT;
c_p->arity = 0;
- erts_smp_atomic32_read_band_relb(&c_p->state, ~ERTS_PSFLG_ACTIVE);
+
+ if (!ERTS_PTMR_IS_TIMED_OUT(c_p))
+ erts_smp_atomic32_read_band_relb(&c_p->state,
+ ~ERTS_PSFLG_ACTIVE);
ASSERT(!ERTS_PROC_IS_EXITING(c_p));
erts_smp_proc_unlock(c_p, ERTS_PROC_LOCKS_MSG_RECEIVE);
c_p->current = NULL;
diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c
index ebeff51aac..f1bef28186 100644
--- a/erts/emulator/beam/erl_hl_timer.c
+++ b/erts/emulator/beam/erl_hl_timer.c
@@ -735,7 +735,10 @@ proc_timeout_common(Process *proc, void *tmr)
if (tmr == (void *) erts_smp_atomic_cmpxchg_mb(&proc->common.timer,
ERTS_PTMR_TIMEDOUT,
(erts_aint_t) tmr)) {
- erts_aint32_t state = erts_smp_atomic32_read_acqb(&proc->state);
+ erts_aint32_t state;
+ erts_smp_proc_lock(proc, ERTS_PROC_LOCKS_MSG_RECEIVE);
+ state = erts_smp_atomic32_read_acqb(&proc->state);
+ erts_smp_proc_unlock(proc, ERTS_PROC_LOCKS_MSG_RECEIVE);
if (!(state & (ERTS_PSFLG_ACTIVE|ERTS_PSFLG_EXITING)))
erts_schedule_process(proc, state, 0);
return 1;
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 2239b6f045..07cfacf14a 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -2346,14 +2346,15 @@ erts_exit_vv(int n, int flush_async, char *fmt, va_list args1, va_list args2)
if (erts_mtrace_enabled)
erts_mtrace_exit((Uint32) n);
+ if (fmt != NULL && *fmt != '\0')
+ erl_error(fmt, args2); /* Print error message. */
+
/* Produce an Erlang core dump if error */
if (((n == ERTS_ERROR_EXIT && erts_no_crash_dump == 0) || n == ERTS_DUMP_EXIT)
&& erts_initialized) {
erl_crash_dump_v((char*) NULL, 0, fmt, args1);
}
- if (fmt != NULL && *fmt != '\0')
- erl_error(fmt, args2); /* Print error message. */
sys_tty_reset(n);
if (n == ERTS_INTR_EXIT)
diff --git a/erts/vsn.mk b/erts/vsn.mk
index dff6b615fc..acd4509304 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 8.0.2
+VSN = 8.0.3
# Port number 4365 in 4.2
# Port number 4366 in 4.3