On 32 bit, set the worker thread stacksize to the lower of 64k and the

minimum demanded by the system.

bin/varnishd/mgt_pool.c

@@ -82,7 +82,7 @@ tweak_stack_size(struct cli *cli, const struct parspec *par,
 
 	low = sysconf(_SC_THREAD_STACK_MIN);
 
-	if (arg != NULL && !strcmp(arg, "32")) {
+	if (arg != NULL && !strcmp(arg, "32bit")) {
 		u = 65536;
 		if (u < low)
 			u = low;

bin/varnishd/varnishd.c

@@ -418,7 +418,7 @@ main(int argc, char * const *argv)
 		MCF_ParamSet(cli, "sess_workspace", "16384");
 		cli_check(cli);
 
-		MCF_ParamSet(cli, "thread_pool_stack", "65536");
+		MCF_ParamSet(cli, "thread_pool_stack", "32bit");
 		cli_check(cli);
 
 		MCF_ParamSet(cli, "gzip_stack_buffer", "4096");