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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1694547/comments/4
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: unity (Ubuntu)
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https://bugs.launchpad.net/bugs/1685694
Title:
Kernel driver iwlwifi: Microcode SW error detected. Restarting
0x2000000.
Status in linux package in Ubuntu:
Incomplete
Bug description:
Although my system and wifi connection appear very stable and I don't
notice anything obvious, I still get this error which looks serious.
I'm running a new fresh install of Ubuntu 16.04.2 LTS on a Dell Rugged
Extreme (7414).
dmesg: (see attached file)
[64795.335524] iwlwifi 0000:02:00.0: regular scan timed out
[64795.336000] iwlwifi 0000:02:00.0: Microcode SW error detected. Restarting
0x2000000.
[64795.336014] iwlwifi 0000:02:00.0: CSR values:
[64795.336021] iwlwifi 0000:02:00.0: (2nd byte of CSR_INT_COALESCING is
CSR_INT_PERIODIC_REG)
[64795.336098] iwlwifi 0000:02:00.0: CSR_HW_IF_CONFIG_REG: 0X00489008
[64795.336241] iwlwifi 0000:02:00.0: CSR_INT_COALESCING: 0X00000040
[64795.336298] iwlwifi 0000:02:00.0: CSR_INT: 0X00000000
...
lspci: (see attached file)
02:00.0 Network controller [0280]: Intel Corporation Wireless 8260
[8086:24f3] (rev 3a)
Subsystem: Intel Corporation Wireless 8260 [8086:0050]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
...
I'll try to supply any information needed, please ask.
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