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-rw-r--r--mi/mieq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mi/mieq.c b/mi/mieq.c
index 0a1b74028..062dede06 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;
}