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Date:      Sun, 01 Dec 2019 13:21:23 +0000
From:      bugzilla-noreply@freebsd.org
To:        wireless@FreeBSD.org
Subject:   [Bug 242337] iwm - rate 0 causes iwm panic (and work around)
Message-ID:  <bug-242337-21060-EewX2LTSck@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-242337-21060@https.bugs.freebsd.org/bugzilla/>
References:  <bug-242337-21060@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242337

--- Comment #1 from dirkx@webweaving.org ---
The standard IWM wifi card on a thinkpad X270 panics when it wants to talk =
to a
dutch KPN-Experia ADLS/wifi router (a very common setup in the Netherlands).

Panic/dmesg below.

It then flaps up/down - but is unable to get a stable connection.

iwm0: Start UMAC Error Log Dump:
iwm0: Status: 0x83, count: 7
iwm0: 0x00000070 | ADVANCED_SYSASSERT
iwm0: 0x00000000 | umac branchlink1
iwm0: 0xC008383C | umac branchlink2
iwm0: 0xC008166C | umac interruptlink1
iwm0: 0xC008166C | umac interruptlink2
iwm0: 0x00000800 | umac data1
iwm0: 0xC008166C | umac data2
iwm0: 0xDEADBEEF | umac data3
iwm0: 0x00000016 | umac major
iwm0: 0x00058404 | umac minor
iwm0: 0xC0886280 | frame pointer
iwm0: 0xC0886280 | stack pointer
iwm0: 0x0934004E | last host cmd
iwm0: 0x00000000 | isr status reg
iwm0: driver status:
iwm0:   tx ring  0: qid=3D0  cur=3D2   queued=3D0=20=20
iwm0:   tx ring  1: qid=3D1  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  2: qid=3D2  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  3: qid=3D3  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  4: qid=3D4  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  5: qid=3D5  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  6: qid=3D6  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  7: qid=3D7  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  8: qid=3D8  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  9: qid=3D9  cur=3D53  queued=3D1=20=20
iwm0:   tx ring 10: qid=3D10 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 11: qid=3D11 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 12: qid=3D12 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 13: qid=3D13 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 14: qid=3D14 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 15: qid=3D15 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 16: qid=3D16 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 17: qid=3D17 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 18: qid=3D18 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 19: qid=3D19 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 20: qid=3D20 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 21: qid=3D21 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 22: qid=3D22 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 23: qid=3D23 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 24: qid=3D24 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 25: qid=3D25 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 26: qid=3D26 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 27: qid=3D27 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 28: qid=3D28 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 29: qid=3D29 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 30: qid=3D30 cur=3D0   queued=3D0=20=20
iwm0:   rx ring: cur=3D80
iwm0:   802.11 state 3
iwm0: iwm_intr: controller panicked, iv_state =3D 3; restarting
iwm0: iwm_newstate: IWM_LQ_CMD failed: 35
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: dumping device error log
iwm0: Start Error Log Dump:
iwm0: Status: 0x83, count: 6
iwm0: 0x00002078 | ADVANCED_SYSASSERT=20=20=20=20=20=20=20=20=20=20
iwm0: 00A00220 | trm_hw_status0
iwm0: 00000000 | trm_hw_status1
iwm0: 0000E9C8 | branchlink2
iwm0: 0002843C | interruptlink1
iwm0: 00000000 | interruptlink2
iwm0: 00000000 | data1
iwm0: 00000000 | data2
iwm0: DEADBEEF | data3
iwm0: 00014E39 | beacon time
iwm0: 4494D2A2 | tsf low
iwm0: 00000055 | tsf hi
iwm0: 00000000 | time gp1
iwm0: 00E55138 | time gp2
iwm0: 00000000 | uCode revision type
iwm0: 00000016 | uCode version major
iwm0: 00058404 | uCode version minor
iwm0: 00000201 | hw version
iwm0: 00009008 | board version
iwm0: 0936004E | hcmd
iwm0: 24022080 | isr0
iwm0: 01000000 | isr1
iwm0: 08205802 | isr2
iwm0: 00417CC0 | isr3
iwm0: 00000000 | isr4
iwm0: 04000118 | last cmd Id
iwm0: 00000000 | wait_event
iwm0: 00000288 | l2p_control
iwm0: 00018030 | l2p_duration
iwm0: 000000BF | l2p_mhvalid
iwm0: 000000EF | l2p_addr_match
iwm0: 0000000D | lmpm_pmg_sel
iwm0: 03071928 | timestamp
iwm0: 00008090 | flow_handler
iwm0: Start UMAC Error Log Dump:
iwm0: Status: 0x83, count: 7
iwm0: 0x00000070 | ADVANCED_SYSASSERT
iwm0: 0x00000000 | umac branchlink1
iwm0: 0xC008383C | umac branchlink2
iwm0: 0xC008166C | umac interruptlink1
iwm0: 0xC008166C | umac interruptlink2
iwm0: 0x00000800 | umac data1
iwm0: 0xC008166C | umac data2
iwm0: 0xDEADBEEF | umac data3
iwm0: 0x00000016 | umac major
iwm0: 0x00058404 | umac minor
iwm0: 0xC0886280 | frame pointer
iwm0: 0xC0886280 | stack pointer
iwm0: 0x0936004E | last host cmd
iwm0: 0x00000000 | isr status reg
iwm0: driver status:
iwm0:   tx ring  0: qid=3D0  cur=3D2   queued=3D0=20=20
iwm0:   tx ring  1: qid=3D1  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  2: qid=3D2  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  3: qid=3D3  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  4: qid=3D4  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  5: qid=3D5  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  6: qid=3D6  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  7: qid=3D7  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  8: qid=3D8  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  9: qid=3D9  cur=3D55  queued=3D1=20=20
iwm0:   tx ring 10: qid=3D10 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 11: qid=3D11 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 12: qid=3D12 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 13: qid=3D13 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 14: qid=3D14 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 15: qid=3D15 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 16: qid=3D16 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 17: qid=3D17 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 18: qid=3D18 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 19: qid=3D19 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 20: qid=3D20 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 21: qid=3D21 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 22: qid=3D22 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 23: qid=3D23 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 24: qid=3D24 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 25: qid=3D25 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 26: qid=3D26 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 27: qid=3D27 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 28: qid=3D28 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 29: qid=3D29 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 30: qid=3D30 cur=3D0   queued=3D0=20=20
iwm0:   rx ring: cur=3D134
iwm0:   802.11 state 3
iwm0: iwm_intr: controller panicked, iv_state =3D 3; restarting
iwm0: iwm_newstate: IWM_LQ_CMD failed: 35
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: dumping device error log
iwm0: Start Error Log Dump:
iwm0: Status: 0x83, count: 6
iwm0: 0x00002078 | ADVANCED_SYSASSERT=20=20=20=20=20=20=20=20=20=20
iwm0: 00A00220 | trm_hw_status0
iwm0: 00000000 | trm_hw_status1
iwm0: 0000E9C8 | branchlink2
iwm0: 0002843C | interruptlink1
iwm0: 00000000 | interruptlink2
iwm0: 00000000 | data1
iwm0: 00000000 | data2
iwm0: DEADBEEF | data3
iwm0: 00017F0F | beacon time
iwm0: 4650619F | tsf low
iwm0: 00000055 | tsf hi
iwm0: 00000000 | time gp1
iwm0: 0137F04B | time gp2
iwm0: 00000000 | uCode revision type
iwm0: 00000016 | uCode version major
iwm0: 00058404 | uCode version minor
iwm0: 00000201 | hw version
iwm0: 00009008 | board version
iwm0: 0937004E | hcmd
iwm0: 24022080 | isr0
iwm0: 01000000 | isr1
iwm0: 08201802 | isr2
iwm0: 00417CC0 | isr3
iwm0: 00000000 | isr4
iwm0: 04000118 | last cmd Id
iwm0: 00000000 | wait_event
iwm0: 00000288 | l2p_control
iwm0: 00018030 | l2p_duration
iwm0: 000000BF | l2p_mhvalid
iwm0: 000000EF | l2p_addr_match
iwm0: 0000000D | lmpm_pmg_sel
iwm0: 03071928 | timestamp
iwm0: 000090A0 | flow_handler
iwm0: Start UMAC Error Log Dump:
iwm0: Status: 0x83, count: 7
iwm0: 0x00000070 | ADVANCED_SYSASSERT
iwm0: 0x00000000 | umac branchlink1
iwm0: 0xC008383C | umac branchlink2
iwm0: 0xC008166C | umac interruptlink1
iwm0: 0xC008166C | umac interruptlink2
iwm0: 0x00000800 | umac data1
iwm0: 0xC008166C | umac data2
iwm0: 0xDEADBEEF | umac data3
iwm0: 0x00000016 | umac major
iwm0: 0x00058404 | umac minor
iwm0: 0xC0886280 | frame pointer
iwm0: 0xC0886280 | stack pointer
iwm0: 0x0937004E | last host cmd
iwm0: 0x00000000 | isr status reg
iwm0: driver status:
iwm0:   tx ring  0: qid=3D0  cur=3D2   queued=3D0=20=20
iwm0:   tx ring  1: qid=3D1  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  2: qid=3D2  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  3: qid=3D3  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  4: qid=3D4  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  5: qid=3D5  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  6: qid=3D6  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  7: qid=3D7  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  8: qid=3D8  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  9: qid=3D9  cur=3D56  queued=3D1=20=20
iwm0:   tx ring 10: qid=3D10 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 11: qid=3D11 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 12: qid=3D12 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 13: qid=3D13 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 14: qid=3D14 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 15: qid=3D15 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 16: qid=3D16 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 17: qid=3D17 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 18: qid=3D18 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 19: qid=3D19 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 20: qid=3D20 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 21: qid=3D21 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 22: qid=3D22 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 23: qid=3D23 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 24: qid=3D24 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 25: qid=3D25 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 26: qid=3D26 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 27: qid=3D27 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 28: qid=3D28 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 29: qid=3D29 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 30: qid=3D30 cur=3D0   queued=3D0=20=20
iwm0:   rx ring: cur=3D152
iwm0:   802.11 state 3
iwm0: iwm_intr: controller panicked, iv_state =3D 3; restarting
iwm0: iwm_newstate: IWM_LQ_CMD failed: 35
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: iwm_rate2ridx: WARNING: device rate for 0 not found!
iwm0: dumping device error log
iwm0: Start Error Log Dump:
iwm0: Status: 0x83, count: 6
iwm0: 0x00002078 | ADVANCED_SYSASSERT=20=20=20=20=20=20=20=20=20=20
iwm0: 00A00220 | trm_hw_status0
iwm0: 00000000 | trm_hw_status1
iwm0: 0000E9C8 | branchlink2
iwm0: 0002843C | interruptlink1
iwm0: 00000000 | interruptlink2
iwm0: 00000000 | data1
iwm0: 00000000 | data2
iwm0: DEADBEEF | data3
iwm0: 0001764F | beacon time
iwm0: 4955DA2D | tsf low
iwm0: 00000055 | tsf hi
iwm0: 00000000 | time gp1
iwm0: 020F98F2 | time gp2
iwm0: 00000000 | uCode revision type
iwm0: 00000016 | uCode version major
iwm0: 00058404 | uCode version minor
iwm0: 00000201 | hw version
iwm0: 00009008 | board version
iwm0: 0939004E | hcmd
iwm0: 24022080 | isr0
iwm0: 01000000 | isr1
iwm0: 08201802 | isr2
iwm0: 00417CC0 | isr3
iwm0: 00000000 | isr4
iwm0: 04000118 | last cmd Id
iwm0: 00000000 | wait_event
iwm0: 00000288 | l2p_control
iwm0: 00018030 | l2p_duration
iwm0: 000000BF | l2p_mhvalid
iwm0: 000000EF | l2p_addr_match
iwm0: 0000000D | lmpm_pmg_sel
iwm0: 03071928 | timestamp
iwm0: 0000C0D0 | flow_handler
iwm0: Start UMAC Error Log Dump:
iwm0: Status: 0x83, count: 7
iwm0: 0x00000070 | ADVANCED_SYSASSERT
iwm0: 0x00000000 | umac branchlink1
iwm0: 0xC008383C | umac branchlink2
iwm0: 0xC008166C | umac interruptlink1
iwm0: 0xC008166C | umac interruptlink2
iwm0: 0x00000800 | umac data1
iwm0: 0xC008166C | umac data2
iwm0: 0xDEADBEEF | umac data3
iwm0: 0x00000016 | umac major
iwm0: 0x00058404 | umac minor
iwm0: 0xC0886280 | frame pointer
iwm0: 0xC0886280 | stack pointer
iwm0: 0x0939004E | last host cmd
iwm0: 0x00000000 | isr status reg
iwm0: driver status:
iwm0:   tx ring  0: qid=3D0  cur=3D2   queued=3D0=20=20
iwm0:   tx ring  1: qid=3D1  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  2: qid=3D2  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  3: qid=3D3  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  4: qid=3D4  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  5: qid=3D5  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  6: qid=3D6  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  7: qid=3D7  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  8: qid=3D8  cur=3D0   queued=3D0=20=20
iwm0:   tx ring  9: qid=3D9  cur=3D58  queued=3D1=20=20
iwm0:   tx ring 10: qid=3D10 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 11: qid=3D11 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 12: qid=3D12 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 13: qid=3D13 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 14: qid=3D14 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 15: qid=3D15 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 16: qid=3D16 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 17: qid=3D17 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 18: qid=3D18 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 19: qid=3D19 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 20: qid=3D20 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 21: qid=3D21 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 22: qid=3D22 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 23: qid=3D23 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 24: qid=3D24 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 25: qid=3D25 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 26: qid=3D26 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 27: qid=3D27 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 28: qid=3D28 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 29: qid=3D29 cur=3D0   queued=3D0=20=20
iwm0:   tx ring 30: qid=3D30 cur=3D0   queued=3D0=20=20
iwm0:   rx ring: cur=3D197
iwm0:   802.11 state 3
iwm0: iwm_intr: controller panicked, iv_state =3D 3; restarting
iwm0: iwm_newstate: IWM_LQ_CMD failed: 35
iwm0: detached

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