Searching through my logs I found more oopses: May 9 14:11:57 zbenjamin-laptop kernel: [116304.441199] BUG: unable to handle kernel NULL pointer dereference at (null) May 9 14:11:57 zbenjamin-laptop kernel: [116304.441229] IP: [<ffffffff813ef54d>] __rb_erase_color+0xdd/0x260 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441251] PGD 0 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441259] Oops: 0002 [#1] SMP May 9 14:11:57 zbenjamin-laptop kernel: [116304.441269] Modules linked in: scsi_transport_iscsi btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c cpuid kvm_intel veth xt_CHECKSUM iptable_mangle xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack bridge stp llc iptable_filter ip_tables x_tables nvram msr drbg ansi_cprng ctr ccm rfcomm bnep binfmt_misc zfs(PO) zunicode(PO) zcommon(PO) znvpair(PO) spl(O) zavl(PO) cdc_mbim cdc_wdm cdc_ncm snd_usb_audio usbnet mii snd_usbmidi_lib uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core v4l2_common btusb videodev btrtl btbcm media btintel bluetooth hid_multitouch arc4 pn544_mei mei_phy pn544 hci nfc nls_iso8859_1 intel_rapl dell_wmi x86_pkg_temp_thermal sparse_keymap dell_laptop intel_powerclamp dcdbas coretemp kvm iwlmvm irqbypass mac80211 crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_hel per snd_hda_codec_realtek cryptd snd_hda_codec_generic snd_hda_codec_hdmi joydev input_leds serio_raw iwlwifi snd_hda_intel snd_hda_codec cfg80211 rtsx_pci_ms snd_seq_midi memstick lpc_ich snd_hda_core snd_seq_midi_event snd_hwdep snd_rawmidi mei_me snd_pcm mei snd_seq snd_seq_device snd_timer snd soundcore shpchp int3400_thermal processor_thermal_device intel_soc_dts_iosf acpi_als int3403_thermal int3402_thermal acpi_thermal_rel ie31200_edac kfifo_buf industrialio edac_core int340x_thermal_zone dell_smo8800 dell_rbtn mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid hid nouveau rtsx_pci_sdmmc i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops psmouse libahci drm rtsx_pci video wmi fjes [last unloaded: kvm_intel] May 9 14:11:57 zbenjamin-laptop kernel: [116304.441788] CPU: 4 PID: 16447 Comm: device_wait_for Tainted: P U O 4.4.0-21-generic #37-Ubuntu May 9 14:11:57 zbenjamin-laptop kernel: [116304.441812] Hardware name: Dell Inc. XPS 15 9530/XPS 15 9530, BIOS A06 07/16/2014 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441831] task: ffff88013de92940 ti: ffff880210470000 task.ti: ffff880210470000 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441850] RIP: 0010:[<ffffffff813ef54d>] [<ffffffff813ef54d>] __rb_erase_color+0xdd/0x260 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441873] RSP: 0018:ffff880210473ac8 EFLAGS: 00010282 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441887] RAX: ffff8801b2b9ae61 RBX: ffff8801b2b9ae60 RCX: 0000000000000000 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441905] RDX: 0000000000000000 RSI: ffff880308c3ccc0 RDI: ffff8801b2b9ae60 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441926] RBP: ffff880210473af0 R08: ffff8801b2b9ae60 R09: 000000018040003e May 9 14:11:57 zbenjamin-laptop kernel: [116304.441957] R10: ffff8800349bfec0 R11: ffff8800349bfee0 R12: ffff8802e36d9360 May 9 14:11:57 zbenjamin-laptop kernel: [116304.441989] R13: ffffffff811b8640 R14: ffff880308c3ccc0 R15: 0000000000000000 May 9 14:11:57 zbenjamin-laptop kernel: [116304.442020] FS: 0000000000000000(0000) GS:ffff88042fb00000(0000) knlGS:0000000000000000
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1580943 Title: Kernel is very unstable on Dell XPS15 (model 2014) Status in linux package in Ubuntu: Confirmed Bug description: The system is halted on my machine in different scenarios: 1) Running debootstrap, the oops happens when chroot tries to mount a kernel filesystem from the host 2) Running ubuntu-emulator create from the Ubuntu SDK IDE: http://pastebin.ubuntu.com/16373613/ 3) USB devices are disconnected sometimes, they are immediately reconnected but when a ubuntu phone is attached chances are high the system might hang as well I will attach more logs as soon as I hit the problem again ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-22-generic 4.4.0-22.39 ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 NonfreeKernelModules: zfs zunicode zcommon znvpair zavl ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC3: zbenjamin 3703 F.... pulseaudio /dev/snd/controlC2: zbenjamin 3703 F.... pulseaudio /dev/snd/controlC1: zbenjamin 3703 F.... pulseaudio /dev/snd/controlC0: zbenjamin 3703 F.... pulseaudio CurrentDesktop: Unity Date: Thu May 12 11:36:15 2016 HibernationDevice: RESUME=UUID=ffa1bf0f-220e-4288-9b84-9970818474fc InstallationDate: Installed on 2016-03-15 (57 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307) MachineType: Dell Inc. XPS 15 9530 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic.efi.signed root=UUID=b09b103f-4a2d-4347-8844-6892dcb781ae ro i915.semaphores=0 i915.enable_rc6=0 RelatedPackageVersions: linux-restricted-modules-4.4.0-22-generic N/A linux-backports-modules-4.4.0-22-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/16/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A06 dmi.board.name: XPS 15 9530 dmi.board.vendor: Dell Inc. dmi.board.version: A06 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA06:bd07/16/2014:svnDellInc.:pnXPS159530:pvrA06:rvnDellInc.:rnXPS159530:rvrA06:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: XPS 15 9530 dmi.product.version: A06 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1580943/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
