After BIOS update to most recent version no change in behaviour:
dmidecode -s bios-version && dmidecode -s bios-release-date
A08
08/31/2015
Still have the i915 related kernel oops in syslog:
Jan 23 12:21:35 cygnus kernel: [ 35.223659] [drm:intel_pipe_config_compare
[i915]] *ERROR* mismatch in ips_enabled (expected 1, found 0)
Jan 23 12:21:35 cygnus kernel: [ 35.223665] ------------[ cut here
]------------
Jan 23 12:21:35 cygnus kernel: [ 35.223684] WARNING: CPU: 2 PID: 3409 at
/build/linux-ZKbhxl/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12328
check_crtc_state+0x2c5/0x440 [i915]()
Jan 23 12:21:35 cygnus kernel: [ 35.223685] pipe state doesn't match!
Jan 23 12:21:35 cygnus kernel: [ 35.223686] Modules linked in: ctr ccm rfcomm
pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tab
les x_tables bnep binfmt_misc drbg ansi_cprng algif_skcipher af_alg
ax88179_178a usbnet mii hid_rmi dell_wmi sparse_keymap uvcvideo arc4 intel_rapl
videobuf2_vmalloc dell_laptop iosf_mbi dcdbas x86_pkg_temp_thermal
dell_smm_hwmon int
el_powerclamp coretemp videobuf2_memops videobuf2_core btusb btrtl btbcm
v4l2_common kvm_intel btintel hid_multitouch videodev dm_crypt bluetooth media
kvm crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 iwlmvm lrw gf128mul
glue
_helper mac80211 ablk_helper cryptd iwlwifi snd_hda_codec_hdmi
snd_hda_codec_realtek input_leds snd_hda_codec_generic joydev cfg80211
snd_soc_rt5640 serio_raw lpc_ich snd_hda_intel snd_hda_codec snd_soc_rl6231
snd_hda_core snd_soc_co
re shpchp snd_hwdep snd_seq_midi snd_compress snd_seq_midi_event ac97_bus
snd_pcm_dmaengine snd_rawmidi snd_pcm snd_seq snd_seq_device acpi_als kfifo_buf
snd_timer industrialio i2c_designware_platform i2c_designware_core snd dw_dmac
dw_dmac_core snd_soc_sst_acpi spi_pxa2xx_platform soundcore 8250_dw dell_rbtn
intel_smartconnect mac_hid parport_pc ppdev lp parport xfs libcrc32c
hid_generic uas usb_storage usbhid i915 psmouse i2c_algo_bit drm_kms_helper
ahci drm l
ibahci wmi sdhci_acpi video sdhci i2c_hid hid
Jan 23 12:21:35 cygnus kernel: [ 35.223763] CPU: 2 PID: 3409 Comm: Xorg
Tainted: G OE 4.2.0-25-generic #30-Ubuntu
Jan 23 12:21:35 cygnus kernel: [ 35.223764] Hardware name: Dell Inc. XPS13
9333/0D13CR, BIOS A08 08/31/2015
Jan 23 12:21:35 cygnus kernel: [ 35.223766] 0000000000000000
00000000f9a0919b ffff880213f277c8 ffffffff817e94c9
Jan 23 12:21:35 cygnus kernel: [ 35.223769] 0000000000000000
ffff880213f27820 ffff880213f27808 ffffffff8107b3d6
Jan 23 12:21:35 cygnus kernel: [ 35.223772] ffff880213f27848
ffff880213f278b0 ffff88021685d000 0000000000000001
Jan 23 12:21:35 cygnus kernel: [ 35.223775] Call Trace:
Jan 23 12:21:35 cygnus kernel: [ 35.223784] [<ffffffff817e94c9>]
dump_stack+0x45/0x57
Jan 23 12:21:35 cygnus kernel: [ 35.223789] [<ffffffff8107b3d6>]
warn_slowpath_common+0x86/0xc0
Jan 23 12:21:35 cygnus kernel: [ 35.223793] [<ffffffff8107b465>]
warn_slowpath_fmt+0x55/0x70
Jan 23 12:21:35 cygnus kernel: [ 35.223815] [<ffffffffc01bc941>] ?
intel_pipe_config_compare+0xb31/0xc60 [i915]
Jan 23 12:21:35 cygnus kernel: [ 35.223833] [<ffffffffc01bcd35>]
check_crtc_state+0x2c5/0x440 [i915]
Jan 23 12:21:35 cygnus kernel: [ 35.223853] [<ffffffffc01d0b5d>]
intel_modeset_check_state+0x21d/0x6d0 [i915]
Jan 23 12:21:35 cygnus kernel: [ 35.223870] [<ffffffffc01d1d17>]
intel_crtc_set_config+0x4c7/0x580 [i915]
Jan 23 12:21:35 cygnus kernel: [ 35.223888] [<ffffffffc0074ef5>] ?
drm_mode_create+0x25/0x60 [drm]
Jan 23 12:21:35 cygnus kernel: [ 35.223901] [<ffffffffc006e4a6>]
drm_mode_set_config_internal+0x66/0x100 [drm]
Jan 23 12:21:35 cygnus kernel: [ 35.223914] [<ffffffffc0072b39>]
drm_mode_setcrtc+0x3e9/0x500 [drm]
Jan 23 12:21:35 cygnus kernel: [ 35.223924] [<ffffffffc0063495>]
drm_ioctl+0x125/0x610 [drm]
Jan 23 12:21:35 cygnus kernel: [ 35.223943] [<ffffffffc0072750>] ?
drm_mode_setplane+0x1b0/0x1b0 [drm]
Jan 23 12:21:35 cygnus kernel: [ 35.223949] [<ffffffff81210aa5>]
do_vfs_ioctl+0x295/0x480
Jan 23 12:21:35 cygnus kernel: [ 35.223955] [<ffffffff811ff875>] ?
__sb_end_write+0x35/0x70
Jan 23 12:21:35 cygnus kernel: [ 35.223962] [<ffffffff8112012b>] ?
__audit_syscall_entry+0xab/0xf0
Jan 23 12:21:35 cygnus kernel: [ 35.223967] [<ffffffff81022afb>] ?
do_audit_syscall_entry+0x4b/0x70
Jan 23 12:21:35 cygnus kernel: [ 35.223971] [<ffffffff81210d09>]
SyS_ioctl+0x79/0x90
Jan 23 12:21:35 cygnus kernel: [ 35.223974] [<ffffffff810242b3>] ?
syscall_trace_leave+0x93/0xe0
Jan 23 12:21:35 cygnus kernel: [ 35.223986] [<ffffffff817f02b2>]
entry_SYSCALL_64_fastpath+0x16/0x75
Jan 23 12:21:35 cygnus kernel: [ 35.223989] ---[ end trace 4c01e911c71b51f7
]---
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1532909
Title:
Dell XPS 13 - 9333 Kernel problems after update to wily
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