Add patch to fix brcmsmac oops (rhbz 989269)
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Josh Boyer
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3.10.-6-7-crashes-on-network-activity.patch
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3.10.-6-7-crashes-on-network-activity.patch
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From 6aeddf9d409f3d9938b05b545d65810739237b2e Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@openwrt.org>
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Date: Tue, 20 Aug 2013 06:56:08 +0200
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Subject: [PATCH] 3.10.{6,7} crashes on network activity
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On 2013-08-20 2:28 AM, Greg Kroah-Hartman wrote:
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> On Tue, Aug 20, 2013 at 08:26:11AM +0800, Tom Gundersen wrote:
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>> On Tue, Aug 20, 2013 at 8:03 AM, Greg Kroah-Hartman
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>> <gregkh@linuxfoundation.org> wrote:
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>> > On Tue, Aug 20, 2013 at 07:59:47AM +0800, Tom Gundersen wrote:
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>> >> Hi guys,
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>> >>
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>> >> Starting with 3.10.6 (and still present in .7) I get an oops on
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>> >> connecting to the network.
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>> >>
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>> >> The attached picture shows the oops. In case it does not reach the ML,
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>> >> the top of the call trace reads:
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>> >>
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>> >> brcms_c_compute_rtscts_dur
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>> >> brcms_c_ampdu_finalize
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>> >> ampdu_finalize
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>> >> dma_txfast
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>> >> brcms_c_txfifo
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>> >> brcms_c_sendpkt_mac80211
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>> >> brcms_ops_tx
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>> >> __ieee80211_tx
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>> >>
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>> >> I bisected the problem and the first bad commit is
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>> >>
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>> >> commit ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6
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>> >> Author: Felix Fietkau <nbd@openwrt.org>
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>> >> Date: Fri Jun 28 21:04:35 2013 +0200
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>> >>
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>> >> mac80211/minstrel_ht: fix cck rate sampling
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>> >>
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>> >> commit 1cd158573951f737fbc878a35cb5eb47bf9af3d5 upstream.
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>> >>
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>> >> Reverting it on top of .7 fixes the problem.
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>> >>
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>> >> I had the same (I suppose) problem on mainline some time ago, but I
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>> >> have not bisected it, verified that the problem still occurs there, or
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>> >> checked if reverting the upstream patch fixes it. I'd be happy to do
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>> >> that if it would help though.
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>> >>
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>> >> Let me know if you need any more information.
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>> >
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>> > Do you have this same problem with 3.11-rc6 as well?
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>>
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>> Yes, I just confirmed. I also confirmed that reverting the mainline
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>> commit on top of -rc6 fixes the problem.
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>
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> Great, thanks.
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>
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> Felix and Johannes, any chance we can get this reverted in Linus tree
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> soon, and push that revert back to the 3.10 stable tree as well?
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I'd like to avoid a revert, since that will simply replace one set of
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issues with another. Let's limit the use of the feature that brcmsmac
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can't handle to drivers that are known to work with it. Tom, Please
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test this patch to see if it fixes your issue.
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- Felix
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---
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drivers/net/wireless/ath/ath9k/init.c | 3 ++-
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drivers/net/wireless/ath/carl9170/main.c | 3 ++-
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drivers/net/wireless/rt2x00/rt2800lib.c | 3 ++-
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include/net/mac80211.h | 1 +
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net/mac80211/rc80211_minstrel_ht.c | 3 +++
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5 files changed, 10 insertions(+), 3 deletions(-)
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diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
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index 2ba4945..bd126c2 100644
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--- a/drivers/net/wireless/ath/ath9k/init.c
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+++ b/drivers/net/wireless/ath/ath9k/init.c
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@@ -767,7 +767,8 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
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IEEE80211_HW_PS_NULLFUNC_STACK |
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IEEE80211_HW_SPECTRUM_MGMT |
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IEEE80211_HW_REPORTS_TX_ACK_STATUS |
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- IEEE80211_HW_SUPPORTS_RC_TABLE;
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+ IEEE80211_HW_SUPPORTS_RC_TABLE |
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+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
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if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
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hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
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diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
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index e9010a4..0686375 100644
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--- a/drivers/net/wireless/ath/carl9170/main.c
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+++ b/drivers/net/wireless/ath/carl9170/main.c
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@@ -1857,7 +1857,8 @@ void *carl9170_alloc(size_t priv_size)
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IEEE80211_HW_SUPPORTS_PS |
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IEEE80211_HW_PS_NULLFUNC_STACK |
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IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC |
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- IEEE80211_HW_SIGNAL_DBM;
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+ IEEE80211_HW_SIGNAL_DBM |
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+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
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if (!modparam_noht) {
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/*
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diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
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index 705aa33..7e66a90 100644
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--- a/drivers/net/wireless/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
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@@ -5912,7 +5912,8 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
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IEEE80211_HW_SUPPORTS_PS |
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IEEE80211_HW_PS_NULLFUNC_STACK |
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IEEE80211_HW_AMPDU_AGGREGATION |
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- IEEE80211_HW_REPORTS_TX_ACK_STATUS;
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+ IEEE80211_HW_REPORTS_TX_ACK_STATUS |
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+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
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/*
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* Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
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diff --git a/include/net/mac80211.h b/include/net/mac80211.h
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index 885898a..4e50d36 100644
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--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -1484,6 +1484,7 @@ enum ieee80211_hw_flags {
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IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24,
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IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
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IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26,
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+ IEEE80211_HW_SUPPORTS_HT_CCK_RATES = 1<<27,
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};
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/**
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diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
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index f5aed96..f3bbea1 100644
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--- a/net/mac80211/rc80211_minstrel_ht.c
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+++ b/net/mac80211/rc80211_minstrel_ht.c
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@@ -828,6 +828,9 @@ minstrel_ht_update_cck(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
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if (sband->band != IEEE80211_BAND_2GHZ)
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return;
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+ if (!(mp->hw->flags & IEEE80211_HW_SUPPORTS_HT_CCK_RATES))
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+ return;
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+
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mi->cck_supported = 0;
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mi->cck_supported_short = 0;
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for (i = 0; i < 4; i++) {
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--
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1.8.3.1
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@ -773,6 +773,8 @@ Patch25077: media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020
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#CVE-2013-0343 rhbz 914664 999380
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Patch25078: ipv6-remove-max_addresses-check-from-ipv6_create_tempaddr.patch
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#rhbz 989269
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Patch25079: 3.10.-6-7-crashes-on-network-activity.patch
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# END OF PATCH DEFINITIONS
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@ -1495,6 +1497,9 @@ ApplyPatch media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020.
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#CVE-2013-0343 rhbz 914664 999380
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ApplyPatch ipv6-remove-max_addresses-check-from-ipv6_create_tempaddr.patch
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#rhbz 989269
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ApplyPatch 3.10.-6-7-crashes-on-network-activity.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2308,6 +2313,7 @@ fi
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%changelog
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* Wed Aug 21 2013 Josh Boyer <jwboyer@fedoraproject.org>
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- Add patch to fix brcmsmac oops (rhbz 989269)
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- CVE-2013-0343 handling of IPv6 temporary addresses (rhbz 914664 999380)
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* Tue Aug 20 2013 Josh Boyer <jwboyer@fedoraproject.org>
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