Matthias,
Can you try the attached patch?
After the run, can you grep for 'first read return EAGAIN' and 'second
read return EAGAIN' in the dumper debug files?
Jean-Louis
On 22/09/17 10:57 AM, Matthias Teege wrote:
> On Thu, Sep 21, 2017 at 09:45:04AM +0200, Matthias Teege wrote:
>
> Hi,
>
>> I have a running Amanda 3.3.3 Server. The backup works without
>> problems. On the clients we use Amanda 3.3.0/3.3.6 and 2.6.x on some
>> old systems.
> I've made some more tests and its look like that its not a problem
> of one host. I've run amdump for a single host and a single disk and
> got the same error. On the client I see:
>
> Fri Sep 22 16:15:35 2017: thd-0x55b3cc1bd400: amandad:
> security_stream_seterr(0x55b3cc1e0f70, write error to: Connection reset by
> peer)
> Fri Sep 22 16:15:35 2017: thd-0x55b3cc1bd400: amandad: sending NAK pkt:
> <<<<<
> ERROR write error on stream 499999: write error to: Connection reset by peer
>
> On the server I see:
>
> river: hdisk-state time 173.994 hdisk 0: free 1439233056 dumpers 1
> driver: result time 173.994 from dumper0: FAILED 00-00001 "[data read: recv
> error: Resource temporarily unavailable]"
> driver: send-cmd time 173.994 to chunker0: FAILED 00-00001
>
> What can be the cause of the "reset"?
>
> Thanks!
> Matthias
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diff --git a/common-src/security-util.c b/common-src/security-util.c
index 43360ea..4929bbd 100644
--- a/common-src/security-util.c
+++ b/common-src/security-util.c
@@ -517,6 +517,17 @@ tcpm_recv_token(
rval = read(fd, ((char *)&rc->netint) + rc->size_header_read,
SIZEOF(rc->netint) - rc->size_header_read);
if (rval == -1) {
+ if (0
+#ifdef EAGAIN
+ || errno == EAGAIN
+#endif
+#ifdef EWOULDBLOCK
+ || errno == EWOULDBLOCK
+#endif
+ ) {
+ g_debug("first read return EAGAIN");
+ return -2;
+ }
if (errmsg)
*errmsg = newvstrallocf(*errmsg, _("recv error: %s"),
strerror(errno));
@@ -600,6 +611,17 @@ tcpm_recv_token(
rval = read(fd, rc->buffer + rc->size_buffer_read,
(size_t)*size - rc->size_buffer_read);
if (rval == -1) {
+ if (0
+#ifdef EAGAIN
+ || errno == EAGAIN
+#endif
+#ifdef EWOULDBLOCK
+ || errno == EWOULDBLOCK
+#endif
+ ) {
+ g_debug("second read return EAGAIN");
+ return -2;
+ }
if (errmsg)
*errmsg = newvstrallocf(*errmsg, _("recv error: %s"),
strerror(errno));
