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[Bug 1201470] Re: 8086:0085 Intel wireless microcode driver failure in Saucy causes disconnects

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: "Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>
Date: Sat, 20 Jul 2013 16:03:10 -0000
Reply-to: Bug 1201470 <1201470@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Summary changed:

- Intel wireless microcode driver failure in Saucy causes disconnects
+ 8086:0085 Intel wireless microcode driver failure in Saucy causes disconnects

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https://bugs.launchpad.net/bugs/1201470

Title:
  8086:0085 Intel wireless microcode driver failure in Saucy causes
  disconnects

Status in “linux” package in Ubuntu:
  Confirmed
Status in “network-manager” package in Ubuntu:
  Incomplete
Status in “linux” source package in Saucy:
  Confirmed
Status in “network-manager” source package in Saucy:
  Incomplete

Bug description:
  The connection slowly degrades until dropping.  Disabling 11n seems to
  workaround the issue.  With the last disconnect, the following
  messages were in dmesg:

  [ 2458.121218] iwlwifi 0000:03:00.0: Microcode SW error detected.  Restarting 0x2000000.
  [ 2458.121229] iwlwifi 0000:03:00.0: CSR values:
  [ 2458.121234] iwlwifi 0000:03:00.0: (2nd byte of CSR_INT_COALESCING is CSR_INT_PERIODIC_REG)
  [ 2458.121265] iwlwifi 0000:03:00.0:        CSR_HW_IF_CONFIG_REG: 0X00488700
  [ 2458.121296] iwlwifi 0000:03:00.0:          CSR_INT_COALESCING: 0X0000ff40
  [ 2458.121328] iwlwifi 0000:03:00.0:                     CSR_INT: 0X00000000
  [ 2458.121361] iwlwifi 0000:03:00.0:                CSR_INT_MASK: 0X00000000
  [ 2458.121393] iwlwifi 0000:03:00.0:           CSR_FH_INT_STATUS: 0X00000000
  [ 2458.121426] iwlwifi 0000:03:00.0:                 CSR_GPIO_IN: 0X00000030
  [ 2458.121455] iwlwifi 0000:03:00.0:                   CSR_RESET: 0X00000000
  [ 2458.121486] iwlwifi 0000:03:00.0:                CSR_GP_CNTRL: 0X080403c5
  [ 2458.121516] iwlwifi 0000:03:00.0:                  CSR_HW_REV: 0X000000b0
  [ 2458.121547] iwlwifi 0000:03:00.0:              CSR_EEPROM_REG: 0X62390ffd
  [ 2458.121576] iwlwifi 0000:03:00.0:               CSR_EEPROM_GP: 0X90000001
  [ 2458.121609] iwlwifi 0000:03:00.0:              CSR_OTP_GP_REG: 0X00030001
  [ 2458.121641] iwlwifi 0000:03:00.0:                 CSR_GIO_REG: 0X00080042
  [ 2458.121674] iwlwifi 0000:03:00.0:            CSR_GP_UCODE_REG: 0X000071af
  [ 2458.121706] iwlwifi 0000:03:00.0:           CSR_GP_DRIVER_REG: 0X00000000
  [ 2458.121735] iwlwifi 0000:03:00.0:           CSR_UCODE_DRV_GP1: 0X00000000
  [ 2458.121767] iwlwifi 0000:03:00.0:           CSR_UCODE_DRV_GP2: 0X00000000
  [ 2458.121796] iwlwifi 0000:03:00.0:                 CSR_LED_REG: 0X00000040
  [ 2458.121828] iwlwifi 0000:03:00.0:        CSR_DRAM_INT_TBL_REG: 0X88210a3e
  [ 2458.121860] iwlwifi 0000:03:00.0:        CSR_GIO_CHICKEN_BITS: 0X27800200
  [ 2458.121893] iwlwifi 0000:03:00.0:             CSR_ANA_PLL_CFG: 0X00000000
  [ 2458.121925] iwlwifi 0000:03:00.0:           CSR_HW_REV_WA_REG: 0X0001001a
  [ 2458.121955] iwlwifi 0000:03:00.0:        CSR_DBG_HPET_MEM_REG: 0Xffff0000
  [ 2458.121959] iwlwifi 0000:03:00.0: FH register values:
  [ 2458.122019] iwlwifi 0000:03:00.0:         FH_RSCSR_CHNL0_STTS_WPTR_REG: 0X210f5200
  [ 2458.122077] iwlwifi 0000:03:00.0:        FH_RSCSR_CHNL0_RBDCB_BASE_REG: 0X02115ed0
  [ 2458.122138] iwlwifi 0000:03:00.0:                  FH_RSCSR_CHNL0_WPTR: 0X00000000
  [ 2458.122196] iwlwifi 0000:03:00.0:         FH_MEM_RCSR_CHNL0_CONFIG_REG: 0X80801114
  [ 2458.122257] iwlwifi 0000:03:00.0:          FH_MEM_RSSR_SHARED_CTRL_REG: 0X000000fc
  [ 2458.122315] iwlwifi 0000:03:00.0:            FH_MEM_RSSR_RX_STATUS_REG: 0X07030000
  [ 2458.122376] iwlwifi 0000:03:00.0:    FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV: 0X00000000
  [ 2458.122435] iwlwifi 0000:03:00.0:                FH_TSSR_TX_STATUS_REG: 0X07ff0001
  [ 2458.122495] iwlwifi 0000:03:00.0:                 FH_TSSR_TX_ERROR_REG: 0X00000000
  [ 2458.122504] iwlwifi 0000:03:00.0: Loaded firmware version: 18.168.6.1
  [ 2458.122902] iwlwifi 0000:03:00.0: Start IWL Error Log Dump:
  [ 2458.122907] iwlwifi 0000:03:00.0: Status: 0x0000004C, count: 6
  [ 2458.122912] iwlwifi 0000:03:00.0: 0x000019A8 | ADVANCED_SYSASSERT          
  [ 2458.122917] iwlwifi 0000:03:00.0: 0x000166CC | uPc
  [ 2458.122921] iwlwifi 0000:03:00.0: 0x0000962A | branchlink1
  [ 2458.122925] iwlwifi 0000:03:00.0: 0x0000962A | branchlink2
  [ 2458.122929] iwlwifi 0000:03:00.0: 0x0000D6BE | interruptlink1
  [ 2458.122933] iwlwifi 0000:03:00.0: 0x00000000 | interruptlink2
  [ 2458.122937] iwlwifi 0000:03:00.0: 0x00000001 | data1
  [ 2458.122941] iwlwifi 0000:03:00.0: 0x20ED7F5E | data2
  [ 2458.122946] iwlwifi 0000:03:00.0: 0x00000138 | line
  [ 2458.122950] iwlwifi 0000:03:00.0: 0x00018EAD | beacon time
  [ 2458.122954] iwlwifi 0000:03:00.0: 0x00000153 | tsf low
  [ 2458.122958] iwlwifi 0000:03:00.0: 0x00000000 | tsf hi
  [ 2458.122962] iwlwifi 0000:03:00.0: 0x00000000 | time gp1
  [ 2458.122966] iwlwifi 0000:03:00.0: 0x8F09138F | time gp2
  [ 2458.122970] iwlwifi 0000:03:00.0: 0x00000000 | time gp3
  [ 2458.122974] iwlwifi 0000:03:00.0: 0x754312A8 | uCode version
  [ 2458.122979] iwlwifi 0000:03:00.0: 0x000000B0 | hw version
  [ 2458.122983] iwlwifi 0000:03:00.0: 0x00488700 | board version
  [ 2458.122987] iwlwifi 0000:03:00.0: 0x0900004E | hcmd
  [ 2458.122991] iwlwifi 0000:03:00.0: 0xAF863080 | isr0
  [ 2458.122995] iwlwifi 0000:03:00.0: 0x1141E000 | isr1
  [ 2458.122999] iwlwifi 0000:03:00.0: 0x00000F1A | isr2
  [ 2458.123003] iwlwifi 0000:03:00.0: 0x0147FCC3 | isr3
  [ 2458.123007] iwlwifi 0000:03:00.0: 0x00000000 | isr4
  [ 2458.123011] iwlwifi 0000:03:00.0: 0x01000112 | isr_pref
  [ 2458.123015] iwlwifi 0000:03:00.0: 0x00024B96 | wait_event
  [ 2458.123019] iwlwifi 0000:03:00.0: 0x00000094 | l2p_control
  [ 2458.123023] iwlwifi 0000:03:00.0: 0x00000000 | l2p_duration
  [ 2458.123027] iwlwifi 0000:03:00.0: 0x0000000F | l2p_mhvalid
  [ 2458.123031] iwlwifi 0000:03:00.0: 0x00004080 | l2p_addr_match
  [ 2458.123035] iwlwifi 0000:03:00.0: 0x00000005 | lmpm_pmg_sel
  [ 2458.123039] iwlwifi 0000:03:00.0: 0x06061222 | timestamp
  [ 2458.123043] iwlwifi 0000:03:00.0: 0x00000010 | flow_handler
  [ 2458.123220] iwlwifi 0000:03:00.0: Start IWL Event Log Dump: nothing in log
  [ 2458.123237] iwlwifi 0000:03:00.0: FW error in SYNC CMD REPLY_TX_LINK_QUALITY_CMD
  [ 2458.123244] iwlwifi 0000:03:00.0: Command REPLY_ADD_STA failed: FW Error
  [ 2458.123249] iwlwifi 0000:03:00.0: Adding station ff:ff:ff:ff:ff:ff failed.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-firmware 1.112
  ProcVersionSignature: Ubuntu 3.10.0-2.11-generic 3.10.0
  Uname: Linux 3.10.0-2-generic x86_64
  ApportVersion: 2.10.2-0ubuntu4
  Architecture: amd64
  Date: Mon Jul 15 16:21:58 2013
  Dependencies:
   
  InstallationDate: Installed on 2013-01-26 (170 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: linux-firmware
  UpgradeStatus: Upgraded to saucy on 2013-06-07 (37 days ago)

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