X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FInboxIdle.pm;h=357bd216b5c30642fef65c84bbd343053d53ec25;hb=a0b470cbaf01c699e008818ff0f137d24b1959b1;hp=bdb30284ac09b77b5bba5195514abc5458bada36;hpb=1bc3707e3e0983c9aed898980ec8acf6501813f7;p=public-inbox.git

diff --git a/lib/PublicInbox/InboxIdle.pm b/lib/PublicInbox/InboxIdle.pm
index bdb30284..357bd216 100644
--- a/lib/PublicInbox/InboxIdle.pm
+++ b/lib/PublicInbox/InboxIdle.pm
@@ -41,8 +41,16 @@ sub in2_arm ($$) { # PublicInbox::Config::each_inbox callback
 	$cur->[0] = $ibx;
 
 	my $lock = "$dir/".($ibx->version >= 2 ? 'inbox.lock' : 'ssoma.lock');
-	my $w = $cur->[1] = $inot->watch($lock, $IN_MODIFY);
-	$self->{on_unlock}->{$w->name} = $ibx;
+	if (my $w = $cur->[1] = $inot->watch($lock, $IN_MODIFY)) {
+		$self->{on_unlock}->{$w->name} = $ibx;
+	} else {
+		warn "E: ".ref($inot)."->watch($lock, IN_MODIFY) failed: $!\n";
+		if ($!{ENOSPC} && $^O eq 'linux') {
+			warn <<"";
+I: consider increasing /proc/sys/fs/inotify/max_user_watches
+
+		}
+	}
 
 	# TODO: detect deleted packs (and possibly other files)
 }