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-rw-r--r--erts/doc/src/notes.xml17
-rw-r--r--erts/emulator/beam/erl_gc.c49
-rw-r--r--erts/emulator/test/driver_SUITE.erl6
-rw-r--r--erts/emulator/test/driver_SUITE_data/timer_drv.c44
-rw-r--r--erts/vsn.mk2
5 files changed, 81 insertions, 37 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 2a36e5568c..323df38ed3 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -32,6 +32,23 @@
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 8.0.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fixed a VM crash that occured in garbage collection of a
+ process when it had received maps over the distribution.
+ This bug was introduced in ERTS version 8.0 (OTP 19.0).</p>
+ <p>
+ Own Id: OTP-13889</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 8.0.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 75f8ebefbd..1495d06459 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -535,9 +535,19 @@ young_gen_usage(Process *p)
if (p->flags & F_ON_HEAP_MSGQ) {
ErtsMessage *mp;
- for (mp = p->msg.first; mp; mp = mp->next)
+ for (mp = p->msg.first; mp; mp = mp->next) {
+ /*
+ * We leave not yet decoded distribution messages
+ * as they are in the queue since it is not
+ * possible to determine a maximum size until
+ * actual decoding. However, we use their estimated
+ * size when calculating need, and by this making
+ * it more likely that they will fit on the heap
+ * when actually decoded.
+ */
if (mp->data.attached)
hsz += erts_msg_attached_data_size(mp);
+ }
}
aheap = p->abandoned_heap;
@@ -2258,37 +2268,22 @@ move_msgq_to_heap(Process *p)
if (mp->data.attached) {
ErlHeapFragment *bp;
- ErtsHeapFactory factory;
-
- erts_factory_proc_prealloc_init(&factory, p,
- erts_msg_attached_data_size(mp));
-
- if (is_non_value(ERL_MESSAGE_TERM(mp))) {
- if (mp->data.dist_ext) {
- ASSERT(mp->data.dist_ext->heap_size >= 0);
- if (is_not_nil(ERL_MESSAGE_TOKEN(mp))) {
- bp = erts_dist_ext_trailer(mp->data.dist_ext);
- ERL_MESSAGE_TOKEN(mp) = copy_struct(ERL_MESSAGE_TOKEN(mp),
- bp->used_size,
- &factory.hp,
- factory.off_heap);
- erts_cleanup_offheap(&bp->off_heap);
- }
- ERL_MESSAGE_TERM(mp) = erts_decode_dist_ext(&factory,
- mp->data.dist_ext);
- erts_free_dist_ext_copy(mp->data.dist_ext);
- mp->data.dist_ext = NULL;
- }
- }
- else {
+
+ /*
+ * We leave not yet decoded distribution messages
+ * as they are in the queue since it is not
+ * possible to determine a maximum size until
+ * actual decoding...
+ */
+ if (is_value(ERL_MESSAGE_TERM(mp))) {
bp = erts_message_to_heap_frag(mp);
if (bp->next)
- erts_move_multi_frags(&factory.hp, factory.off_heap, bp,
+ erts_move_multi_frags(&p->htop, &p->off_heap, bp,
mp->m, ERL_MESSAGE_REF_ARRAY_SZ, 0);
else
- copy_one_frag(&factory.hp, factory.off_heap, bp,
+ copy_one_frag(&p->htop, &p->off_heap, bp,
mp->m, ERL_MESSAGE_REF_ARRAY_SZ);
if (mp->data.attached != ERTS_MSG_COMBINED_HFRAG) {
@@ -2305,8 +2300,6 @@ move_msgq_to_heap(Process *p)
mp = new_mp;
}
}
-
- erts_factory_close(&factory);
}
mpp = &(*mpp)->next;
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 1df72193a6..2fbf6eae61 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -452,11 +452,7 @@ timer_delay(Config) when is_list(Config) ->
TimeBefore = erlang:monotonic_time(),
Timeout0 = 350,
erlang:port_command(Port, <<?DELAY_START_TIMER,Timeout0:32>>),
- Timeout = Timeout0 +
- case os:type() of
- {win32,_} -> 0; %Driver doesn't sleep on Windows.
- _ -> 1000
- end,
+ Timeout = Timeout0 + 1000,
receive
{Port,{data,[?TIMER]}} ->
Elapsed = erl_millisecs() - erl_millisecs(TimeBefore),
diff --git a/erts/emulator/test/driver_SUITE_data/timer_drv.c b/erts/emulator/test/driver_SUITE_data/timer_drv.c
index 57538e0d57..c3ce3b6e49 100644
--- a/erts/emulator/test/driver_SUITE_data/timer_drv.c
+++ b/erts/emulator/test/driver_SUITE_data/timer_drv.c
@@ -1,5 +1,13 @@
#include <stdio.h>
#include "erl_driver.h"
+#ifdef __WIN32__
+# include <windows.h>
+#else
+# include <sys/time.h>
+# include <sys/types.h>
+# include <sys/select.h>
+# include <unistd.h>
+#endif
#define get_int32(s) ((((unsigned char*) (s))[0] << 24) | \
(((unsigned char*) (s))[1] << 16) | \
@@ -17,6 +25,7 @@ static ErlDrvData timer_start(ErlDrvPort, char*);
static void timer_stop(ErlDrvData);
static void timer_read(ErlDrvData, char*, ErlDrvSizeT);
static void timer(ErlDrvData);
+static void ms_sleep(int ms);
static ErlDrvEntry timer_driver_entry =
{
@@ -75,9 +84,7 @@ static void timer_read(ErlDrvData p, char *buf, ErlDrvSizeT len)
reply[0] = CANCELLED;
driver_output(port, reply, 1);
} else if (buf[0] == DELAY_START_TIMER) {
-#ifndef __WIN32__
- sleep(1);
-#endif
+ ms_sleep(1000);
driver_set_timer(port, get_int32(buf + 1));
}
}
@@ -95,3 +102,34 @@ static void timer(ErlDrvData port)
reply[0] = TIMER;
driver_output((ErlDrvPort)port, reply, 1);
}
+
+static void
+ms_sleep(int ms)
+{
+ /* Important that we do not return too early... */
+ ErlDrvTime time, timeout_time;
+
+ time = erl_drv_monotonic_time(ERL_DRV_USEC);
+
+ timeout_time = time + ((ErlDrvTime) ms)*1000;
+
+ while (time < timeout_time) {
+ ErlDrvTime timeout = timeout_time - time;
+
+#ifdef __WIN32__
+ Sleep((DWORD) (timeout / 1000));
+#else
+ {
+ struct timeval tv;
+
+ tv.tv_sec = (long) timeout / (1000*1000);
+ tv.tv_usec = (long) timeout % (1000*1000);
+
+ select(0, NULL, NULL, NULL, &tv);
+ }
+#endif
+
+ time = erl_drv_monotonic_time(ERL_DRV_USEC);
+ }
+
+}
diff --git a/erts/vsn.mk b/erts/vsn.mk
index acd4509304..d9c441e887 100644
--- a/erts/vsn.mk
+++ b/erts/vsn.mk
@@ -18,7 +18,7 @@
# %CopyrightEnd%
#
-VSN = 8.0.3
+VSN = 8.0.4
# Port number 4365 in 4.2
# Port number 4366 in 4.3
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 19:10:38 +0000