*** This bug is a duplicate of bug 1848921 ***
https://bugs.launchpad.net/bugs/1848921
Same here. Ubuntu 19.10 with 5.3.0-26-generic kernel.
[90731.026595] iwlwifi 0000:04:00.0: Microcode SW error detected. Restarting
0x0.
[90731.026982] iwlwifi 0000:04:00.0: Start IWL Error Log Dump:
[90731.026984] iwlwifi 0000:04:00.0: Status: 0x00000080, count: 6
[90731.026986] iwlwifi 0000:04:00.0: Loaded firmware version: 46.6bf1df06.0
[90731.026988] iwlwifi 0000:04:00.0: 0x000022CE | ADVANCED_SYSASSERT
[90731.026989] iwlwifi 0000:04:00.0: 0x0590A2F3 | trm_hw_status0
[90731.026991] iwlwifi 0000:04:00.0: 0x00000000 | trm_hw_status1
[90731.026992] iwlwifi 0000:04:00.0: 0x0048853E | branchlink2
[90731.026993] iwlwifi 0000:04:00.0: 0x00479392 | interruptlink1
[90731.026994] iwlwifi 0000:04:00.0: 0x00000000 | interruptlink2
[90731.026996] iwlwifi 0000:04:00.0: 0x0000012C | data1
[90731.026997] iwlwifi 0000:04:00.0: 0x00000000 | data2
[90731.026998] iwlwifi 0000:04:00.0: 0x04000000 | data3
[90731.027000] iwlwifi 0000:04:00.0: 0x0FC189F2 | beacon time
[90731.027001] iwlwifi 0000:04:00.0: 0x2AFC5614 | tsf low
[90731.027002] iwlwifi 0000:04:00.0: 0x00000100 | tsf hi
[90731.027003] iwlwifi 0000:04:00.0: 0x00000000 | time gp1
[90731.027005] iwlwifi 0000:04:00.0: 0x13217A21 | time gp2
[90731.027006] iwlwifi 0000:04:00.0: 0x00000001 | uCode revision type
[90731.027007] iwlwifi 0000:04:00.0: 0x0000002E | uCode version major
[90731.027009] iwlwifi 0000:04:00.0: 0x6BF1DF06 | uCode version minor
[90731.027010] iwlwifi 0000:04:00.0: 0x00000321 | hw version
[90731.027011] iwlwifi 0000:04:00.0: 0x00C89004 | board version
[90731.027012] iwlwifi 0000:04:00.0: 0x0B5C001C | hcmd
[90731.027014] iwlwifi 0000:04:00.0: 0x27F93882 | isr0
[90731.027015] iwlwifi 0000:04:00.0: 0x00044000 | isr1
[90731.027016] iwlwifi 0000:04:00.0: 0x10081802 | isr2
[90731.027017] iwlwifi 0000:04:00.0: 0x4041FDC1 | isr3
[90731.027019] iwlwifi 0000:04:00.0: 0x00000000 | isr4
[90731.027020] iwlwifi 0000:04:00.0: 0x0B5B001C | last cmd Id
[90731.027021] iwlwifi 0000:04:00.0: 0x0001ACA2 | wait_event
[90731.027023] iwlwifi 0000:04:00.0: 0x00004288 | l2p_control
[90731.027024] iwlwifi 0000:04:00.0: 0x00001C20 | l2p_duration
[90731.027025] iwlwifi 0000:04:00.0: 0x000003BF | l2p_mhvalid
[90731.027026] iwlwifi 0000:04:00.0: 0x000000E7 | l2p_addr_match
[90731.027028] iwlwifi 0000:04:00.0: 0x0000000D | lmpm_pmg_sel
[90731.027029] iwlwifi 0000:04:00.0: 0x08081424 | timestamp
[90731.027030] iwlwifi 0000:04:00.0: 0x13683838 | flow_handler
[90731.027176] iwlwifi 0000:04:00.0: Start IWL Error Log Dump:
[90731.027178] iwlwifi 0000:04:00.0: Status: 0x00000080, count: 7
[90731.027179] iwlwifi 0000:04:00.0: 0x20000070 | NMI_INTERRUPT_LMAC_FATAL
[90731.027180] iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink1
[90731.027182] iwlwifi 0000:04:00.0: 0xC008888E | umac branchlink2
[90731.027183] iwlwifi 0000:04:00.0: 0xC0084414 | umac interruptlink1
[90731.027184] iwlwifi 0000:04:00.0: 0xC0084414 | umac interruptlink2
[90731.027185] iwlwifi 0000:04:00.0: 0x00000800 | umac data1
[90731.027187] iwlwifi 0000:04:00.0: 0xC0084414 | umac data2
[90731.027188] iwlwifi 0000:04:00.0: 0xDEADBEEF | umac data3
[90731.027189] iwlwifi 0000:04:00.0: 0x0000002E | umac major
[90731.027190] iwlwifi 0000:04:00.0: 0x6BF1DF06 | umac minor
[90731.027192] iwlwifi 0000:04:00.0: 0x13217BDE | frame pointer
[90731.027193] iwlwifi 0000:04:00.0: 0xC088627C | stack pointer
[90731.027194] iwlwifi 0000:04:00.0: 0x0058010C | last host cmd
[90731.027196] iwlwifi 0000:04:00.0: 0x00000000 | isr status reg
[90731.027224] iwlwifi 0000:04:00.0: Fseq Registers:
[90731.027236] iwlwifi 0000:04:00.0: 0xE6DDAFAF | FSEQ_ERROR_CODE
[90731.027249] iwlwifi 0000:04:00.0: 0x00000000 | FSEQ_TOP_INIT_VERSION
[90731.027261] iwlwifi 0000:04:00.0: 0x550F7912 | FSEQ_CNVIO_INIT_VERSION
[90731.027273] iwlwifi 0000:04:00.0: 0x0000A371 | FSEQ_OTP_VERSION
[90731.027285] iwlwifi 0000:04:00.0: 0x419848ED | FSEQ_TOP_CONTENT_VERSION
[90731.027297] iwlwifi 0000:04:00.0: 0xD98868FC | FSEQ_ALIVE_TOKEN
[90731.027309] iwlwifi 0000:04:00.0: 0xD384C635 | FSEQ_CNVI_ID
[90731.027320] iwlwifi 0000:04:00.0: 0x86D9FFB7 | FSEQ_CNVR_ID
[90731.027332] iwlwifi 0000:04:00.0: 0x01000200 | CNVI_AUX_MISC_CHIP
[90731.027347] iwlwifi 0000:04:00.0: 0x01300202 | CNVR_AUX_MISC_CHIP
[90731.027361] iwlwifi 0000:04:00.0: 0x0000485B |
CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
[90731.027425] iwlwifi 0000:04:00.0: 0x0BADCAFE |
CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
[90731.027438] iwlwifi 0000:04:00.0: Collecting data: trigger 2 fired.
[90731.027443] ieee80211 phy0: Hardware restart was requested
[90731.027487] iwlwifi 0000:04:00.0: FW error in SYNC CMD SCAN_CFG_CMD
[90731.027491] CPU: 4 PID: 7423 Comm: kworker/4:1 Tainted: P OEL
5.3.0-26-generic #28-Ubuntu
[90731.027506] Workqueue: events iwl_mvm_tcm_work [iwlmvm]
[90731.027507] Call Trace:
[90731.027512] dump_stack+0x6d/0x9a
[90731.027524] iwl_pcie_send_hcmd_sync+0x497/0x4b0 [iwlwifi]
[90731.027527] ? wait_woken+0x80/0x80
[90731.027534] iwl_trans_pcie_send_hcmd+0x34/0xe0 [iwlwifi]
[90731.027542] iwl_trans_send_cmd+0x5d/0xc0 [iwlwifi]
[90731.027550] iwl_mvm_send_cmd+0x34/0x90 [iwlmvm]
[90731.027559] iwl_mvm_config_scan+0x280/0x430 [iwlmvm]
[90731.027583] ? ieee80211_iterate_interfaces+0x46/0x60 [mac80211]
[90731.027591] iwl_mvm_recalc_tcm+0x1bc/0x1d0 [iwlmvm]
[90731.027598] iwl_mvm_tcm_work+0x15/0x20 [iwlmvm]
[90731.027600] process_one_work+0x1db/0x380
[90731.027602] worker_thread+0x4d/0x400
[90731.027605] kthread+0x104/0x140
[90731.027606] ? process_one_work+0x380/0x380
[90731.027608] ? kthread_park+0x80/0x80
[90731.027610] ret_from_fork+0x35/0x40
[90732.479414] iwlwifi 0000:04:00.0: Applying debug destination EXTERNAL_DRAM
[90732.597048] iwlwifi 0000:04:00.0: Applying debug destination EXTERNAL_DRAM
[90732.662921] iwlwifi 0000:04:00.0: FW already configured (0) - re-configuring
[90732.675989] iwlwifi 0000:04:00.0: BIOS contains WGDS but no WRDS
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https://bugs.launchpad.net/bugs/1852364
Title:
iwlwifi: Microcode SW error detected
Status in linux-firmware package in Ubuntu:
Confirmed
Bug description:
Hi,
I just had an unresponsive Wifi connexion, and checking the dmesg logs
gave me this:
[53468.634940] iwlwifi 0000:00:14.3: Queue 11 is active on fifo 1 and stuck
for 10000 ms. SW [0, 15] HW [0, 15] FH TRB=0x0c010b000
[53468.635087] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting
0x0.
[53468.635466] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[53468.635471] iwlwifi 0000:00:14.3: Status: 0x00000080, count: 6
[53468.635475] iwlwifi 0000:00:14.3: Loaded firmware version: 46.6bf1df06.0
[53468.635480] iwlwifi 0000:00:14.3: 0x00000084 | NMI_INTERRUPT_UNKNOWN
[53468.635484] iwlwifi 0000:00:14.3: 0x000022F0 | trm_hw_status0
[53468.635488] iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
[53468.635491] iwlwifi 0000:00:14.3: 0x004882DA | branchlink2
[53468.635495] iwlwifi 0000:00:14.3: 0x0047932A | interruptlink1
[53468.635498] iwlwifi 0000:00:14.3: 0x0047932A | interruptlink2
....
It looks like a iwlwifi firmware crash.
See the dmesg log attached.
Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-firmware 1.183.1
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 13 02:54:38 2019
Dependencies:
InstallationDate: Installed on 2019-09-26 (47 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
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