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Operating Systems Linux Ubuntu System loks up after upgrade from 14.04 to 16.04 Post 302979116 by migurus on Tuesday 9th of August 2016 04:18:13 PM
Old 08-09-2016
System loks up after upgrade from 14.04 to 16.04

After upgrading from 14 LTS to 16 LTS the system started getting these hard lockups, where nothing works, can't get to it through ssh, or console.

I have asked for help on Launchpad Ubuntu forum, but so far no replies.

in /var/log/kern.log:
Code:
Aug 7 21:47:26 XPS-8700 kernel: [26947.581772] NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [systemd-timesyn:2646]
Aug 7 21:47:26 XPS-8700 kernel: [26947.581774] Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c vmnet(OE) vmw_vsock_vmci_transport vsock vmw_vmci vmmon(OE) bnep snd_hda_codec_hdmi dcdbas intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel arc4 kvm irqbypass crct10dif_pclmul crc32_pclmul ath9k ath9k_common aesni_intel ath9k_hw aes_x86_64 lrw gf128mul glue_helper ablk_helper ath cryptd mac80211 snd_hda_codec_realtek joydev snd_hda_codec_generic ath3k btusb serio_raw btrtl input_leds btbcm btintel bluetooth snd_hda_intel snd_hda_codec cfg80211 snd_hda_core snd_seq_midi snd_hwdep snd_seq_midi_event snd_rawmidi snd_pcm mei_me lpc_ich snd_seq mei snd_seq_device snd_timer snd soundcore shpchp mac_hid parport_pc ppdev lp parport autofs4 uas usb_storage hid_generic usbhid hid nouveau i915 mxm_wmi wmi ttm r8169 mii i2c_algo_bit drm_kms_helper syscopyarea sysfillrect psmouse sysimgblt ahci fb_sys_fops libahci drm video fjes

with some more debug dump info.

I re-run memtest and it was OK.

What should I post to get help?

My system is stock DELL XPS 8700 with I7-4790. nothing special about this h/w.

I hope I won't have to revert back to 14.04, as I did have issues with kbd/mouse dead after booting. In 16.04 this problem is gone, but the lockups are even worse. Some day system runs for hours with no problems, then it would lock up within an hour after boot while just reading email.

Any pointers are appreciated.

Last edited by Don Cragun; 08-09-2016 at 06:01 PM.. Reason: Add CODE and ICODE tags.
 

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XPSTOPS(1)							     XPS Tools								XPSTOPS(1)

NAME
xpstops - XPS to PostScript converter SYNOPSIS
xpstops [OPTION...] FILE [OUTPUT FILE] DESCRIPTION
xpstops converts XPS documents to PostScript format. xpstops reads the XPS file, FILE, and writes a PostScript file, OUTPUT FILE. If OUTPUT FILE is not specified the output filename will be derived from the OUTPUT FILE filename. OPTIONS
-?, --help Show help options. -d DOCUMENT, --document=DOCUMENT The document inside the XPS file to convert. By default, the first document of the XPS file is used. -f PAGE, --first=PAGE The first page to convert. -l PAGE, --last=PAGE The last page to convert. -o, --odd Convert only odd pages. -e, --even Convert only even pages. -r RESOLUTION, --resolution=RESOLUTION Horizontal and vertical resolution in PPI (Pixels Per Inch). The default is 150 PPI. --rx=RESOLUTION Horizontal resolution in PPI (Pixels Per Inch). The default is 150 PPI. --ry=RESOLUTION Vertical resolution in PPI (Pixels Per Inch). The default is 150 PPI. -x X, --crop-x=X The x-coordinate of the crop area top left corner. -y Y, --crop-y=Y The y-coordinate of the crop area top left corner. -w WIDTH, --crop-width=WIDTH The width of crop area. -h HEIGHT, --crop-height=HEIGHT The height of crop area. --level2 Generate Level 2 PostScript. Level 2 supports color images and image compression. --level3 Generate Level 3 PostScript. This enables all Level 2 features plus shading patterns and masked images. This is the default setting. --eps Generate an Encapsulated PostScript (EPS) file. --paper=PAPER Set the paper size to one of "A0", "A1", "A2", "A3", "A4", "A5", "B4", "B5", "Letter", "Tabloid", "Ledger", "Legal", "Statement", "Executive", "Folio", "Quarto", "10x14". --duplex Adds the %%IncludeFeature: *Duplex DuplexNoTumble DSC comment to the PostScript file. This tells the print manager to enable duplexing. --paper-width=WIDTH The paper width. --paper-height=HEIGHT The paper height. --expand Expand pages smaller than the paper to fill the paper. By default, pages are not scaled. --no-shrink Don't scale pages which are larger than the paper. By default, pages larger than the paper are shrunk to fit. --no-center Don't center on the paper pages smaller than the paper (after any scaling). By default, pages smaller than the paper are aligned to the lower-left corner. BUGS
Please send bug reports to https://bugzilla.gnome.org/enter_bug.cgi?product=libgxps. SEE ALSO
xpstojpeg(1) xpstopng(1) xpstopdf(1) xpstosvg(1) XPS Tools 11/19/2011 XPSTOPS(1)
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