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[Xprogrammer <programmer.x@xxxxxxxxx>]

I assigned IRQ 48 (RTL_PCI) to CPU 3 via "echo 8 >
/proc/irq/48/smp_affinity"



Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800829] NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [swapper/3:0]
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800833] Modules linked in: ctr ccm arc4 rtl8192ee(OE) btcoexist(OE) rtl_pci(OE) rtlwifi(OE) mac80211 xt_addrtype xt_conntrack ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c iptable_filter ip_tables x_tables cfg80211 8812au(OE) pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep rfcomm binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm btusb uvcvideo videobuf2_vmalloc videobuf2_memops bluetooth videobuf2_core v4l2_common videodev media snd_hda_codec_realtek snd_hda_codec_generic crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper i915 cryptd snd_hda_intel snd_hda_controller ndiswrapper(OE) joydev snd_hda_codec drm_kms_helper serio_raw snd_hwdep mei_me snd_pcm drm rtc_efi snd_seq_midi snd_seq_midi_event snd_rawmidi rtsx_pci_ms thinkpad_acpi mei snd_seq memstick snd_seq_device nvram wmi snd_timer snd i2c_algo_bit lpc_ich video soundcore intel_smartconnect mac_hid parport_pc ppdev lp parport rtsx_pci_sdmmc psmouse e1000e ahci libahci rtsx_pci ptp pps_core
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800899] CPU: 3 PID: 0 Comm: swapper/3 Tainted: P        W  OEL 3.17.0-031700-generic #201410060605
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800900] Hardware name: LENOVO 20AQCTO1WW/20AQCTO1WW, BIOS GJET67WW (2.17 ) 12/10/2013
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800901] task: ffff880213a52800 ti: ffff880213a68000 task.ti: ffff880213a68000
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800914] RIP: 0010:[<ffffffff8207864b>]  [<ffffffff8207864b>] __do_softirq+0x8b/0x330
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800919] RSP: 0018:ffff88021f2c3f08  EFLAGS: 00000206
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800921] RAX: 0000000000202040 RBX: ffff88021f2c3e98 RCX: 00000000000006e0
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800922] RDX: ffff880213a6bfd8 RSI: 00000000b1af924b RDI: ffff880213a52800
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800923] RBP: ffff88021f2c3f68 R08: ffff88006cd3f8e8 R09: 0000000000000001
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800924] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88021f2c3e78
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800925] R13: ffffffff827a571d R14: ffff88021f2c3f68 R15: 0000000000000000
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800926] FS:  0000000000000000(0000) GS:ffff88021f2c0000(0000) knlGS:0000000000000000
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800929] CR2: 0000080a27068760 CR3: 0000000002c16000 CR4: 00000000001407e0
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800930] Stack:
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800931]  00202040f968ae00 ffff880213a6bfd8 000000010006ddf2 ffff88020000000a
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800933]  ffff88021f2c3f48 139f5beaedcab442 0000000000000082 0000000000000000
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800935]  0000000000000005 000001e8f942f930 0000000000000005 0000000000000000
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800937] Call Trace:
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800938]  <IRQ> 
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800940]  [<ffffffff82078bfe>] irq_exit+0x11e/0x140
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800947]  [<ffffffff827a763a>] smp_apic_timer_interrupt+0x4a/0x60
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800949]  [<ffffffff827a571d>] apic_timer_interrupt+0x6d/0x80
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800950]  <EOI> 
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800951]  [<ffffffff82621454>] ? cpuidle_enter_state+0x74/0x190
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800956]  [<ffffffff8262143f>] ? cpuidle_enter_state+0x5f/0x190
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800959]  [<ffffffff82621637>] cpuidle_enter+0x17/0x20
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800961]  [<ffffffff820b43ed>] cpuidle_idle_call+0x9d/0x190
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800963]  [<ffffffff820b46c5>] cpu_idle_loop+0x1e5/0x200
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800966]  [<ffffffff820e92c2>] ? clockevents_register_device+0xe2/0x140
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800968]  [<ffffffff820b473b>] cpu_startup_entry+0x5b/0x60
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800971]  [<ffffffff82049aad>] start_secondary+0xcd/0xd0
Oct 21 21:00:04 skannan-dv2k kernel: [ 2630.800972] Code: 8b 14 25 08 c8 00 00 c7 45 b8 0a 00 00 00 48 89 55 a8 66 0f 1f 44 00 00 65 c7 04 25 40 19 01 00 00 00 00 00 fb 66 0f 1f 44 00 00 <41> bf ff ff ff ff 45 0f bc fe 41 83 c7 01 0f 84 88 00 00 00 48

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https://bugs.launchpad.net/bugs/1239578

Title:
  No wireless support for Realtek RTL8192EE [10ec:818b]

Status in HWE Next Project:
  Confirmed
Status in HWE Next trusty series:
  Confirmed
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Open this bug to trace device driver RTL8192EE.

  We have seen this wireless card on some laptops, id is [10ec:818b],
  driver is RTL8192EE.

  Status: waiting for this driver being moved out of staging directory.

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