From: Ryan Finnie <ryan.finnie@canonical.com>
To: Emmanuel Grumbach <egrumbach@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
Seth Forshee <seth.forshee@canonical.com>
Subject: Re: Intel 7265 wireless performance unstable on Linux >= 3.19
Date: Tue, 31 Mar 2015 13:32:28 -0700 [thread overview]
Message-ID: <551B045C.1030400@canonical.com> (raw)
In-Reply-To: <CANUX_P3nsHyGNA6iS=v0=67ALHkUf1LY_os5qpzwNnJyEqpsDA@mail.gmail.com>
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On 03/31/2015 02:15 AM, Emmanuel Grumbach wrote:
>> Please open a bug on bugzilla.kernel.org and CC
>> ilw@linux.intel.com to the bug. Attach your syslog output as
>> well.
Done: https://bugzilla.kernel.org/show_bug.cgi?id=95901
>> It seems that the supplicant is deauthenticating. What is your
>> supplicant version?
wpasupplicant 2.1-0ubuntu7 from Ubuntu vivid. From the syslog output,
it appears the wpa_supplicant output is reacting to the kernel event,
with nothing relevant preceding it:
Mar 31 13:15:11 linda systemd[1]: Started Stop ureadahead data collection.
Mar 31 13:15:20 linda kernel: [ 72.442153] wlan0: deauthenticating
from 38:2c:4a:5c:7f:e4 by local choice (Reason: 3=DEAUTH_LEAVING)
Mar 31 13:15:20 linda kernel: [ 72.457967] cfg80211: Calling CRDA to
update world regulatory domain
Mar 31 13:15:20 linda wpa_supplicant[902]: wlan0:
CTRL-EVENT-DISCONNECTED bssid=38:2c:4a:5c:7f:e4 reason=3
locally_generated=1
Mar 31 13:15:20 linda NetworkManager[815]: <warn> Connection
disconnected (reason -3)
> One idea came through my mind. Can you try this?
>
> diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
> b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index
> 302c8cc..7c12c9f 100644 ---
> a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++
> b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -525,7 +525,7 @@
> int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else
> hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
>
> - if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) { + if
> (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10 && false) {
> hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
> hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX;
> hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES;
Sorry, it didn't appear to have any effect; DEAUTH_LEAVING would still
occur every ~60 seconds.
RF
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next prev parent reply other threads:[~2015-03-31 20:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-31 5:54 Intel 7265 wireless performance unstable on Linux >= 3.19 Ryan Finnie
2015-03-31 8:10 ` Emmanuel Grumbach
2015-03-31 9:15 ` Emmanuel Grumbach
2015-03-31 20:32 ` Ryan Finnie [this message]
2015-03-31 21:37 ` Dan Williams
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