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[Xen-devel] ENC:[Xen-users] Failed to insert 'xen_evtchn': No such device

Hello DEVs, can anyone help me?

Ian Campbell pointed me that maybe you could help me, here is the link to the last e-mail line that started this problem fixing:
http://lists.xenproject.org/archives/html/xen-users/2015-04/msg00009.html

A brief summary of my current problems after XEN installation:

First Problem: XL "Anything", be it INFO, TOP, UPTIME, whatever, returns:

"
xc: error: Could not obtain handle on privileged command interface (2 = No such file or directory): Internal error
libxl: error: libxl.c:109:libxl_ctx_alloc: cannot open libxc handle: No such file or directory
cannot init xl context
"

Second Problem:
My boot.log is showing:

"
[ [1;31mFAILED [0m] Failed to start Load Kernel Modules.
See "systemctl status systemd-modules-load.service" for details.
"

Third Problem:
Today doing an apt-get update and apt-get dist-upgrade to see if there was any major fix on stuff... and probably I am with a Regression in hands:

"
Error found when loading /etc/profile:
/etc/profile.d/cedilla-brazil.sh: linha 21: [: n?mero excessivo de
argumentos

As a result the session will not be configured correctly
You should fix the problem as soon as feasible.
"

Also trying to run "sudo su -" on terminal I get a message saying I have too much arguments for (su) but since it appears related to this problem above, I consider both the same.

***I have already sent an e-mail to the Ubuntu mailing list about this problem...

Fourth Problem:
I am receiving KERNEL OOPS messages saying my #4 processor is pausing:
"
NMI watchdog: BUG: soft lockup - CPU#4 stuck for 23s! [irq/19-b43:1082]
"
that is a strip from syslog, showing that message:
"
Apr 1 15:01:34 carlos kernel: [ 1829.176231] [<ffffffff817c5cf5>] __mutex_lock_slowpath+0x95/0x100
Apr 1 15:01:34 carlos kernel: [ 1829.176233] [<ffffffff817c5d83>] mutex_lock+0x23/0x40
Apr 1 15:01:34 carlos kernel: [ 1829.176235] [<ffffffffc0df47f3>] b43_periodic_work_handler+0x33/0x190 [b43]
Apr 1 15:01:34 carlos kernel: [ 1829.176237] [<ffffffff8108eb48>] process_one_work+0x158/0x430
Apr 1 15:01:34 carlos kernel: [ 1829.176238] [<ffffffff8108f5db>] worker_thread+0x5b/0x530
Apr 1 15:01:34 carlos kernel: [ 1829.176239] [<ffffffff8108f580>] ? rescuer_thread+0x3a0/0x3a0
Apr 1 15:01:34 carlos kernel: [ 1829.176241] [<ffffffff81094679>] kthread+0xc9/0xe0
Apr 1 15:01:34 carlos kernel: [ 1829.176243] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0
Apr 1 15:01:34 carlos kernel: [ 1829.176244] [<ffffffff817c8198>] ret_from_fork+0x58/0x90
Apr 1 15:01:34 carlos kernel: [ 1829.176246] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0
Apr 1 15:01:36 carlos thermald[910]: Dropped below poll threshold
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 5:Processor
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 13:intel_powerclamp
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 14:rapl_controller
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 5:Processor
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 13:intel_powerclamp
Apr 1 15:01:36 carlos thermald[910]: thd_trip_cdev_state_reset index 14:rapl_controller
Apr 1 15:01:40 carlos thermald[910]: Read set point 0
Apr 1 15:01:40 carlos thermald[910]: Set : 94000, 74000, 5, 0, 0
Apr 1 15:01:42 carlos kernel: [ 1837.163940] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [irq/19-b43:1082]
Apr 1 15:01:42 carlos kernel: [ 1837.163944] Modules linked in: rfcomm bnep nls_iso8859_1 arc4 b43 mac80211 cfg80211 snd_hda_codec_hdmi ssb eeepc_wmi asus_wmi sparse_keymap snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_controller intel_rapl iosf_mbi snd_hda_codec x86_pkg_temp_thermal intel_powerclamp snd_hwdep coretemp snd_pcm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel uvcvideo aesni_intel snd_seq_midi videobuf2_vmalloc snd_seq_midi_event btusb aes_x86_64 videobuf2_memops videobuf2_core lrw snd_rawmidi gf128mul v4l2_common glue_helper ablk_helper nouveau bluetooth snd_seq cryptd videodev cypress_m8 media serio_raw joydev snd_seq_device i915 usbserial snd_timer mxm_wmi bcma lpc_ich ttm drm_kms_helper snd drm mei_me soundcore mei i2c_algo_bit video intel_smartconnect ie31200_edac wmi shpchp edac_core mac_hid xen_pciback xen_netback xen_blkback xen_gntalloc xen_gntdev xen_evtchn parport_pc ppdev lp parport autofs4 btrfs hid_generic usbhid hid raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq e1000e raid1 psmouse ptp r8169 mii raid0 pps_core ahci multipath libahci linear
Apr 1 15:01:42 carlos kernel: [ 1837.164002] CPU: 4 PID: 1082 Comm: irq/19-b43 Tainted: G L 3.19.0-10-generic #10-Ubuntu
Apr 1 15:01:42 carlos kernel: [ 1837.164004] Hardware name: System manufacturer System Product Name/P8Z77-V DELUXE, BIOS 2104 08/13/2013
Apr 1 15:01:42 carlos kernel: [ 1837.164005] task: ffff8808018809d0 ti: ffff880802c88000 task.ti: ffff880802c88000
Apr 1 15:01:42 carlos kernel: [ 1837.164006] RIP: e030:[<ffffffff8101e1b6>] [<ffffffff8101e1b6>] native_read_tsc+0x6/0x20
Apr 1 15:01:42 carlos kernel: [ 1837.164011] RSP: e02b:ffff880802c8bd00 EFLAGS: 00000246
Apr 1 15:01:42 carlos kernel: [ 1837.164012] RAX: 00000000a08f0862 RBX: 00000000a08ef87e RCX: 00000000a08f082d
Apr 1 15:01:42 carlos kernel: [ 1837.164013] RDX: 00000000000005b2 RSI: 0000000000000000 RDI: 0000000000001a6e
Apr 1 15:01:42 carlos kernel: [ 1837.164013] RBP: ffff880802c8bd00 R08: 0000000000000000 R09: 0000000025ae8d40
Apr 1 15:01:42 carlos kernel: [ 1837.164014] R10: ffff88080d317520 R11: ffffea001f6f6880 R12: 0000000000001a6e
Apr 1 15:01:42 carlos kernel: [ 1837.164015] R13: 0000000000000004 R14: ffff8807e5d1f700 R15: ffff8807ffacb780
Apr 1 15:01:42 carlos kernel: [ 1837.164018] FS: 0000000000000000(0000) GS:ffff88080d300000(0000) knlGS:ffff88080d300000
Apr 1 15:01:42 carlos kernel: [ 1837.164019] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
Apr 1 15:01:42 carlos kernel: [ 1837.164020] CR2: 00007fc0598b2000 CR3: 0000000001c13000 CR4: 0000000000042660
Apr 1 15:01:42 carlos kernel: [ 1837.164021] Stack:
Apr 1 15:01:42 carlos kernel: [ 1837.164022] ffff880802c8bd28 ffffffff813c17bb 0000000000000005 000000000000008a
Apr 1 15:01:42 carlos kernel: [ 1837.164023] ffff88079f729240 ffff880802c8bd38 ffffffff813c16fb ffff880802c8bda8
Apr 1 15:01:42 carlos kernel: [ 1837.164025] ffffffffc0e223e7 ffffffffc0e47ea0 0000010000000000 ffffffffc0e47ea0
Apr 1 15:01:42 carlos kernel: [ 1837.164026] Call Trace:
Apr 1 15:01:42 carlos kernel: [ 1837.164031] [<ffffffff813c17bb>] delay_tsc+0x3b/0x80
Apr 1 15:01:42 carlos kernel: [ 1837.164032] [<ffffffff813c16fb>] __const_udelay+0x2b/0x30
Apr 1 15:01:42 carlos kernel: [ 1837.164038] [<ffffffffc0e223e7>] b43_dma_rx+0xb7/0x3e0 [b43]
Apr 1 15:01:42 carlos kernel: [ 1837.164042] [<ffffffff810135ea>] ? __switch_to+0x15a/0x5f0
Apr 1 15:01:42 carlos kernel: [ 1837.164044] [<ffffffff810ce2e0>] ? irq_finalize_oneshot.part.30+0x170/0x170
Apr 1 15:01:42 carlos kernel: [ 1837.164047] [<ffffffffc0df56ed>] b43_interrupt_thread_handler+0x3dd/0x660 [b43]
Apr 1 15:01:42 carlos kernel: [ 1837.164049] [<ffffffff817c337c>] ? __schedule+0x39c/0x8e0
Apr 1 15:01:42 carlos kernel: [ 1837.164051] [<ffffffff810ce300>] irq_thread_fn+0x20/0x50
Apr 1 15:01:42 carlos kernel: [ 1837.164053] [<ffffffff810ce2e0>] ? irq_finalize_oneshot.part.30+0x170/0x170
Apr 1 15:01:42 carlos kernel: [ 1837.164054] [<ffffffff810ce63f>] irq_thread+0x11f/0x150
Apr 1 15:01:42 carlos kernel: [ 1837.164056] [<ffffffff810ce3a0>] ? irq_forced_thread_fn+0x70/0x70
Apr 1 15:01:42 carlos kernel: [ 1837.164058] [<ffffffff810ce520>] ? irq_thread_check_affinity+0xd0/0xd0
Apr 1 15:01:42 carlos kernel: [ 1837.164060] [<ffffffff81094679>] kthread+0xc9/0xe0
Apr 1 15:01:42 carlos kernel: [ 1837.164062] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0
Apr 1 15:01:42 carlos kernel: [ 1837.164064] [<ffffffff817c8198>] ret_from_fork+0x58/0x90
Apr 1 15:01:42 carlos kernel: [ 1837.164065] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0
"


2015-04-01 11:46 GMT-03:00 Ian Campbell <Ian.Campbell@xxxxxxxxxx>:
On Wed, 2015-04-01 at 11:23 -0300, Carlos Gustavo Ramirez Rodriguez
wrote:
> Anyone among the dev's can be help?

Perhaps, you could report to xen-devel and Cc olaf@xxxxxxxxx and
mcgrof@xxxxxxxx since I think they are the ones most involved in the
systemd integration for Xen.

Ian.





--
Gustavo
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