Re: "BUG: unable to handle kernel paging request" on shutdown or killing NetworkManager in latest wireless-testing (with rt73usb wireless adapter)

From: Ivo van Doorn
Date: Fri May 30 2008 - 17:01:52 EST


Hi,

> I have just compiled a kernel from wireless-testing (32-bit x86), and
> I get this during shutdown or if I kill NetworkManager (blacklisting
> rt73usb fixes it):

Could you try below patch to see if that works?

Ivo

---
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 58d1633..63381cf 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -347,8 +347,11 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
}

/*
- * Kill guardian urb.
+ * Kill guardian urb (if required by driver).
*/
+ if (!test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags))
+ return;
+
for (i = 0; i < rt2x00dev->bcn->limit; i++) {
bcn_priv = rt2x00dev->bcn->entries[i].priv_data;
if (bcn_priv->guardian_urb)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/