Hi Norbert,
Could you please try with this patch?
Thanks
Wey
On Mon, 2011-11-07 at 04:38 -0800, Norbert Preining wrote:
> Hi Wey, hi all,
>
> On Fr, 04 Nov 2011, Norbert Preining wrote:
> > > after the firmware reloaded, is the traffic resume? or it is continuous
> > > without traffic?
> >
> > Ok, I compiled a new kernel from todays git, and I see that there
> > are kernel bugs, but after the hardware restart traffic gets through.
>
> Well, not always actually. I just had *at*home*, were it used to work
> without any flaws till 3.1, I saw that after resume it worked for a
> short time, then the queue got stuck, then not even forcing a reset via
> the /ss/kernel/debug/..../iwlwifi/debug/force_reset did work. Only
> an unload and reload of the module, followed by a few more hickups,
> restarted the wlan card:
>
> [ 6564.905884] PM: Finishing wakeup.
> [ 6564.905889] Restarting tasks ... done.
> [ 6564.924087] video LNXVIDEO:00: Restoring backlight state
> [ 6566.045358] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X
> [ 6566.100108] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X
> [ 6566.101277] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6566.105210] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
> [ 6573.822081] wlan0: authenticate with 00:0a:79:eb:56:10 (try 1)
> [ 6573.829824] wlan0: authenticated
> [ 6573.835543] wlan0: associate with 00:0a:79:eb:56:10 (try 1)
> [ 6573.841527] wlan0: RX AssocResp from 00:0a:79:eb:56:10 (capab=0x411 status=0 aid=2)
> [ 6573.841537] wlan0: associated
>
> Here it worked for a bit, 20secs
>
> [ 6593.731625] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 0
> [ 6603.704072] iwlwifi 0000:06:00.0: Queue 11 stuck for 10000 ms.
> [ 6603.704084] iwlwifi 0000:06:00.0: Current read_ptr 249 write_ptr 14
> [ 6603.704092] iwlwifi 0000:06:00.0: On demand firmware reload
> [ 6603.704566] ieee80211 phy0: Hardware restart was requested
> [ 6603.704680] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6603.707700] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
>
> Here I forced the reset
>
> [ 6774.772656] iwlwifi 0000:06:00.0: On demand firmware reload
> [ 6774.773868] ieee80211 phy0: Hardware restart was requested
> [ 6774.773958] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6774.777053] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
>
> unloading and reloading
>
> [ 6823.909282] wlan0: deauthenticating from 00:0a:79:eb:56:10 by local choice (reason=3)
> [ 6823.976417] cfg80211: Calling CRDA for country: JP
> [ 6824.037466] iwlwifi 0000:06:00.0: PCI INT A disabled
> [ 6830.344831] Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d
> [ 6830.344835] Copyright(c) 2003-2011 Intel Corporation
> [ 6830.344941] iwlwifi 0000:06:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> [ 6830.344974] iwlwifi 0000:06:00.0: setting latency timer to 64
> [ 6830.345174] iwlwifi 0000:06:00.0: pci_resource_len = 0x00002000
> [ 6830.345176] iwlwifi 0000:06:00.0: pci_resource_base = ffffc90000048000
> [ 6830.345179] iwlwifi 0000:06:00.0: HW Revision ID = 0x0
> [ 6830.345292] iwlwifi 0000:06:00.0: irq 46 for MSI/MSI-X
> [ 6830.345369] iwlwifi 0000:06:00.0: Detected Intel(R) WiFi Link 5100 AGN, REV=0x54
> [ 6830.345467] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6830.367544] iwlwifi 0000:06:00.0: device EEPROM VER=0x11e, CALIB=0x4
> [ 6830.367547] iwlwifi 0000:06:00.0: Device SKU: 0Xf0
> [ 6830.367557] iwlwifi 0000:06:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels
> [ 6830.425994] iwlwifi 0000:06:00.0: loaded firmware version 8.83.5.1 build 33692 (EXP)
> [ 6830.426214] Registered led device: phy1-led
> [ 6830.426519] ieee80211 phy1: Selected rate control algorithm 'iwl-agn-rs'
>
> more hickups
>
> [ 6830.518627] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6830.522336] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
> [ 6830.636966] iwlwifi 0000:06:00.0: L1 Enabled; Disabling L0S
> [ 6830.640324] iwlwifi 0000:06:00.0: Radio type=0x1-0x2-0x0
> [ 6838.327066] wlan0: authenticate with 00:0a:79:eb:56:10 (try 1)
> [ 6838.330447] wlan0: authenticated
> [ 6838.335890] wlan0: associate with 00:0a:79:eb:56:10 (try 1)
> [ 6838.341503] wlan0: RX AssocResp from 00:0a:79:eb:56:10 (capab=0x411 status=0 aid=2)
> [ 6838.341507] wlan0: associated
>
> finally got it working, one more final hickup
>
> [ 6860.602423] iwlwifi 0000:06:00.0: Tx aggregation enabled on ra = 00:0a:79:eb:56:10 tid = 0
>
> from now on working
>
> Would be great to fix that for 3.2
>
> Herzliche Grüße
>
> Norbert
> ------------------------------------------------------------------------
> Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org}
> JAIST, Japan TeX Live & Debian Developer
> DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094
> ------------------------------------------------------------------------
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