5435f0df69
- xserver-1.5.1-global-backtrace.patch: Make backtraces possible from outside the xfree86 DDX. - xserver-1.5.2-mieq-backtrace.patch: bt when we fill the input queue.
42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
From b736f477f5324f79af30fc0f941ba0714a34ccda Mon Sep 17 00:00:00 2001
|
|
From: Adam Jackson <ajax@redhat.com>
|
|
Date: Fri, 10 Oct 2008 16:33:24 -0400
|
|
Subject: [PATCH] mieq: Backtrace when the queue overflows.
|
|
|
|
Since we're probably stuck down in a driver somewhere, let's at least
|
|
try to point out where. This will need to be rethought when the input
|
|
thread work lands though.
|
|
---
|
|
mi/mieq.c | 6 ++++++
|
|
1 files changed, 6 insertions(+), 0 deletions(-)
|
|
|
|
diff --git a/mi/mieq.c b/mi/mieq.c
|
|
index 0a1b740..062dede 100644
|
|
--- a/mi/mieq.c
|
|
+++ b/mi/mieq.c
|
|
@@ -169,6 +169,7 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
|
|
oldtail = (oldtail - 1) % QUEUE_SIZE;
|
|
}
|
|
else {
|
|
+ static int stuck = 0;
|
|
newtail = (oldtail + 1) % QUEUE_SIZE;
|
|
/* Toss events which come in late. Usually this means your server's
|
|
* stuck in an infinite loop somewhere, but SIGIO is still getting
|
|
@@ -176,8 +177,13 @@ mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
|
|
if (newtail == miEventQueue.head) {
|
|
ErrorF("[mi] EQ overflowing. The server is probably stuck "
|
|
"in an infinite loop.\n");
|
|
+ if (!stuck) {
|
|
+ xorg_backtrace();
|
|
+ stuck = 1;
|
|
+ }
|
|
return;
|
|
}
|
|
+ stuck = 0;
|
|
miEventQueue.tail = newtail;
|
|
}
|
|
|
|
--
|
|
1.6.0.1
|
|
|