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Subjectpull request: wireless-2.6 2008-09-24

One more for 2.6.27 -- a fix for a possible interrupt storm. There is
even a link in the commit log to a youtube video of the storm in
progress. :-)

Let me know if there are problems!



Individual patch is available here:


The following changes since commit 4c07ab0fe4b4eaa0fc31f640ca65da7c173f5043:
David S. Miller (1):
Merge branch 'master' of git://

are available in the git repository at:

git:// master

Luis R. Rodriguez (1):
ath9k: disable MIB interrupts to fix interrupt storm

drivers/net/wireless/ath9k/core.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath9k/core.c b/drivers/net/wireless/ath9k/core.c
index c049593..87e37bc 100644
--- a/drivers/net/wireless/ath9k/core.c
+++ b/drivers/net/wireless/ath9k/core.c
@@ -795,6 +795,12 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
if (ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)
sc->sc_imask |= ATH9K_INT_CST;

+ /* Note: We disable MIB interrupts for now as we don't yet
+ * handle processing ANI, otherwise you will get an interrupt
+ * storm after about 7 hours of usage making the system unusable
+ * with huge latency. Once we do have ANI processing included
+ * we can re-enable this interrupt. */
+#if 0
* Enable MIB interrupts when there are hardware phy counters.
* Note we only do this (at the moment) for station mode.
@@ -802,6 +808,7 @@ int ath_open(struct ath_softc *sc, struct ath9k_channel *initial_chan)
if (ath9k_hw_phycounters(ah) &&
((sc->sc_opmode == ATH9K_M_STA) || (sc->sc_opmode == ATH9K_M_IBSS)))
sc->sc_imask |= ATH9K_INT_MIB;
* Some hardware processes the TIM IE and fires an
* interrupt when the TIM bit is set. For hardware
John W. Linville Linux should be at the core of your literate lifestyle.

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