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Date:      Sat, 27 Aug 2016 15:27:02 +0200
From:      Stefan Wendler <stefan.wendler@tngtech.com>
To:        lenz <norbu09@gmail.com>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Wifi laggy in RC2 - was: FreeBSD 11 RC1 - no wifi
Message-ID:  <fa83208c-0f45-18a3-169a-e69441fd69eb@tngtech.com>
In-Reply-To: <CABJpC5TZoABcznzVHO2pk4H%2Byh5J7rD6KzhRBHZSug62Nwt-jg@mail.gmail.com>
References:  <8a427194-726c-ccad-9e02-70460152477d@tngtech.com> <4d2f6787-49d5-a1fd-49bc-bbdcee422795@gmail.com> <8a7c9e3c-77a6-b84c-8202-d2c0dacb0d12@tngtech.com> <CAJ-VmokuDuBoQsP1LMvv6d0vAcqVM6TNqB1eFQxUHgGmwK0HTg@mail.gmail.com> <CABJpC5TZoABcznzVHO2pk4H%2Byh5J7rD6KzhRBHZSug62Nwt-jg@mail.gmail.com>

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On 08/26/2016 05:17, lenz wrote:
> I run a X1 Carbon 4th gen and can report that the iwm driver now runs v=
ery
> reliable with RC2, reliable enough that I moved it back into loader.con=
f
> and did not see any panics after a bunch or reboots. Thanks for the goo=
d
> work on this :)
>=20
> cheers
> Lenz
>=20
With my W530 Wifi with iwn works now without the lagg config as well as
with the patch from here
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211689#c4 and lagg co=
nfig

Anyway. I have switched now to my T540p with a 7260AC wifi chip. When I
load iwm during boot, the computer crashes and enters a boot loop until
I disable iwm at the loader prompt. I can then load it manually after
boot and have wifi for some time. But it is pretty laggy and reconnects
every 5 minutes or so with the following dmesg entry.

------ dmesg ------
wlan0: link state changed to DOWN
wlan0: ieee80211_new_state_locked: pending SCAN -> ASSOC transition lost
iwm0: iwm_update_edca: called
iwm0: dumping device error log
iwm0: Start Error Log Dump:
iwm0: Status: 0x3, count: 6
iwm0: 0x00000086 | NMI_INTERRUPT_INST_ACTION_PT
iwm0: 000002F0 | trm_hw_status0
iwm0: 00000000 | trm_hw_status1
iwm0: 00000B2C | branchlink2
iwm0: 00016A90 | interruptlink1
iwm0: 00015A28 | interruptlink2
iwm0: 00000000 | data1
iwm0: 00000004 | data2
iwm0: 07030000 | data3
iwm0: 00307A6F | beacon time
iwm0: 000F858F | tsf low
iwm0: 00000000 | tsf hi
iwm0: 00000000 | time gp1
iwm0: 000F8590 | time gp2
iwm0: 00000000 | uCode revision type
iwm0: 00000010 | uCode version major
iwm0: 0003B2EE | uCode version minor
iwm0: 00000144 | hw version
iwm0: 00009004 | board version
iwm0: 0000001C | hcmd
iwm0: 00022088 | isr0
iwm0: 00800000 | isr1
iwm0: 00000002 | isr2
iwm0: 004034C1 | isr3
iwm0: 00000000 | isr4
iwm0: 01010112 | last cmd Id
iwm0: 00000000 | wait_event
iwm0: 000000A0 | l2p_control
iwm0: 00000000 | l2p_duration
iwm0: 00000000 | l2p_mhvalid
iwm0: 00000000 | l2p_addr_match
iwm0: 00000007 | lmpm_pmg_sel
iwm0: 22121936 | timestamp
iwm0: 00342028 | flow_handler
iwm0: driver status:
iwm0:   tx ring  0: qid=3D0  cur=3D2   queued=3D2
iwm0:   tx ring  1: qid=3D1  cur=3D0   queued=3D0
iwm0:   tx ring  2: qid=3D2  cur=3D0   queued=3D0
iwm0:   tx ring  3: qid=3D3  cur=3D0   queued=3D0
iwm0:   tx ring  4: qid=3D4  cur=3D0   queued=3D0
iwm0:   tx ring  5: qid=3D5  cur=3D0   queued=3D0
iwm0:   tx ring  6: qid=3D6  cur=3D0   queued=3D0
iwm0:   tx ring  7: qid=3D7  cur=3D0   queued=3D0
iwm0:   tx ring  8: qid=3D8  cur=3D0   queued=3D0
iwm0:   tx ring  9: qid=3D9  cur=3D34  queued=3D0
iwm0:   tx ring 10: qid=3D10 cur=3D0   queued=3D0
iwm0:   tx ring 11: qid=3D11 cur=3D0   queued=3D0
iwm0:   tx ring 12: qid=3D12 cur=3D0   queued=3D0
iwm0:   tx ring 13: qid=3D13 cur=3D0   queued=3D0
iwm0:   tx ring 14: qid=3D14 cur=3D0   queued=3D0
iwm0:   tx ring 15: qid=3D15 cur=3D0   queued=3D0
iwm0:   tx ring 16: qid=3D16 cur=3D0   queued=3D0
iwm0:   tx ring 17: qid=3D17 cur=3D0   queued=3D0
iwm0:   tx ring 18: qid=3D18 cur=3D0   queued=3D0
iwm0:   tx ring 19: qid=3D19 cur=3D0   queued=3D0
iwm0:   tx ring 20: qid=3D20 cur=3D0   queued=3D0
iwm0:   tx ring 21: qid=3D21 cur=3D0   queued=3D0
iwm0:   tx ring 22: qid=3D22 cur=3D0   queued=3D0
iwm0:   tx ring 23: qid=3D23 cur=3D0   queued=3D0
iwm0:   tx ring 24: qid=3D24 cur=3D0   queued=3D0
iwm0:   tx ring 25: qid=3D25 cur=3D0   queued=3D0
iwm0:   tx ring 26: qid=3D26 cur=3D0   queued=3D0
iwm0:   tx ring 27: qid=3D27 cur=3D0   queued=3D0
iwm0:   tx ring 28: qid=3D28 cur=3D0   queued=3D0
iwm0:   tx ring 29: qid=3D29 cur=3D0   queued=3D0
iwm0:   tx ring 30: qid=3D30 cur=3D0   queued=3D0
iwm0:   rx ring: cur=3D34
iwm0:   802.11 state 1
iwm0: iwm_intr: controller panicked, iv_state =3D 1; restarting
wlan0: ieee80211_new_state_locked: pending SCAN -> AUTH transition lost
iwm0: PHY ctxt cmd error. ret=3D35
iwm0: iwm_auth: failed add phy ctxt!
iwm0: iwm_newstate: could not move to auth state: 60
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
iwm0: iwm_update_edca: called
wlan0: link state changed to UP
------ end dmesg ------

Cheers,
Stefan



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