Package: linux-image-4.18.0-0.bpo.1-amd64 Version: 4.18.6-1~bpo9+1 Just to check if there are any problems, I upgraded on my Acer C740 running Debian Stretch linux-image-4.9.0-8-amd64 (4.9.110-3+deb9u6) to linux-image-4.18.0-0.bpo.1-amd64 from Stretch backports. Also firmware-iwlwifi (20180825+dfsg-1~bpo9+1) got installed.
A few minutes after reboot my host hang completely and I needed to reboot it again. This happened a few times more and I had to go back to perfectly working linux-image-4.9.0-8-amd64. Below is some info about my environment. I hope that this issue can be fixed before next Debian stable comes out. Let me know if more information is needed. -- Juha ------------- $ uname Linux trout 4.18.0-0.bpo.1-amd64 #1 SMP Debian 4.18.6-1~bpo9+1 (2018-09-13) x86_64 GNU/Linux # lshw trout description: Laptop product: Auron_Paine vendor: GOOGLE version: 1.0 serial: 123456789 width: 64 bits capabilities: smbios-2.7 dmi-2.7 smp vsyscall32 configuration: boot=normal chassis=laptop *-core description: Motherboard product: Auron_Paine vendor: GOOGLE physical id: 0 version: 1.0 serial: 123456789 *-firmware description: BIOS vendor: coreboot physical id: 0 version: MrChromebox date: 02/04/2018 size: 1MiB capacity: 8128KiB capabilities: pci pcmcia upgrade bootselect acpi *-cpu:0 DISABLED description: CPU [empty] vendor: GenuineIntel physical id: 4 version: Intel(R) Celeron(R) CPU 3215U @ 1.70GHz configuration: cores=16 *-memory description: System Memory physical id: 5 slot: System board or motherboard size: 4GiB *-bank:0 description: DDR3 Synchronous 1600 MHz (0.6 ns) product: HMT425S6CFR6A-PB vendor: Hynix/Hyundai physical id: 0 serial: None slot: Channel-0-DIMM-0 size: 2GiB width: 64 bits clock: 1600MHz (0.6ns) *-bank:1 description: DDR3 Synchronous 1600 MHz (0.6 ns) product: HMT425S6CFR6A-PB vendor: Hynix/Hyundai physical id: 1 serial: None slot: Channel-1-DIMM-0 size: 2GiB width: 64 bits clock: 1600MHz (0.6ns) *-cpu:1 product: Intel(R) Celeron(R) CPU 3215U @ 1.70GHz vendor: Intel Corp. physical id: 1 bus info: cpu@0 size: 1689MHz capacity: 1700MHz width: 64 bits capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer xsave rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust erms invpcid rdseed intel_pt xsaveopt dtherm ida arat pln pts cpufreq *-pci description: Host bridge product: Broadwell-U Host Bridge -OPI vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 09 width: 32 bits clock: 33MHz configuration: driver=bdw_uncore resources: irq:0 *-display description: VGA compatible controller product: HD Graphics vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:46 memory:e0000000-e0ffffff memory:d0000000-dfffffff ioport:1800(size=64) memory:c0000-dffff *-multimedia:0 description: Audio device product: Broadwell-U Audio Controller vendor: Intel Corporation physical id: 3 bus info: pci@0000:00:03.0 version: 09 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:47 memory:e1118000-e111bfff *-usb description: USB controller product: Wildcat Point-LP USB xHCI Controller vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:41 memory:e1100000-e110ffff *-usbhost:0 product: xHCI Host Controller vendor: Linux 4.18.0-0.bpo.1-amd64 xhci-hcd physical id: 0 bus info: usb@1 logical name: usb1 version: 4.18 capabilities: usb-2.00 configuration: driver=hub slots=11 speed=480Mbit/s *-usb:0 description: Video product: HD WebCam vendor: Chicony Electronics Co.,Ltd. physical id: 3 bus info: usb@1:3 version: 28.70 capabilities: usb-2.00 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s *-usb:1 description: Bluetooth wireless interface vendor: Intel Corp. physical id: 4 bus info: usb@1:4 version: 0.01 capabilities: bluetooth usb-2.00 configuration: driver=btusb maxpower=100mA speed=12Mbit/s *-usb:2 description: Mouse product: Usb Mouse vendor: SIGMACHIP physical id: 5 bus info: usb@1:5 version: 1.10 capabilities: usb-1.10 configuration: driver=usbhid maxpower=98mA speed=2Mbit/s *-usbhost:1 product: xHCI Host Controller vendor: Linux 4.18.0-0.bpo.1-amd64 xhci-hcd physical id: 1 bus info: usb@2 logical name: usb2 version: 4.18 capabilities: usb-3.00 configuration: driver=hub slots=4 speed=5000Mbit/s *-communication description: Communication controller product: Wildcat Point-LP MEI Controller #1 vendor: Intel Corporation physical id: 16 bus info: pci@0000:00:16.0 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=mei_me latency=0 resources: irq:44 memory:e1127000-e112701f *-multimedia:1 description: Audio device product: Wildcat Point-LP High Definition Audio Controller vendor: Intel Corporation physical id: 1b bus info: pci@0000:00:1b.0 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=snd_hda_intel latency=0 resources: irq:43 memory:e111c000-e111ffff *-pci description: PCI bridge product: Wildcat Point-LP PCI Express Root Port #1 vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: e3 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:40 memory:e1000000-e10fffff *-network description: Wireless interface product: Wireless 7260 vendor: Intel Corporation physical id: 0 bus info: pci@0000:01:00.0 logical name: wlp1s0 version: cb serial: 6c:29:95:f4:e5:48 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.18.0-0.bpo.1-amd64 firmware=17.948900127.0 ip=192.168.43.82 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: irq:45 memory:e1000000-e1001fff *-isa description: ISA bridge product: Wildcat Point-LP LPC Controller vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 03 width: 32 bits clock: 33MHz capabilities: isa bus_master cap_list configuration: driver=lpc_ich latency=0 resources: irq:0 *-storage description: SATA controller product: Wildcat Point-LP SATA Controller [AHCI Mode] vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 03 width: 32 bits clock: 66MHz capabilities: storage msi pm ahci_1.0 bus_master cap_list configuration: driver=ahci latency=0 resources: irq:42 ioport:1860(size=8) ioport:1870(size=4) ioport:1868(size=8) ioport:1874(size=4) ioport:1840(size=32) memory:e1110000-e1117fff *-generic description: Signal processing controller product: Wildcat Point-LP Thermal Management Controller vendor: Intel Corporation physical id: 1f.6 bus info: pci@0000:00:1f.6 version: 03 width: 64 bits clock: 33MHz capabilities: pm msi cap_list configuration: driver=intel_pch_thermal latency=0 resources: irq:17 memory:e1126000-e1126fff *-scsi physical id: 2 logical name: scsi0 capabilities: emulated *-disk description: ATA Disk product: SB2 physical id: 0.0.0 bus info: scsi@0:0.0.0 logical name: /dev/sda version: 61.2 serial: FEB407811B0800760309 size: 119GiB (128GB) capabilities: gpt-1.00 partitioned partitioned:gpt configuration: ansiversion=5 guid=44c54814-6ec8-411f-b0eb-d5652307c1c1 logicalsectorsize=512 sectorsize=512 *-volume:0 description: Windows FAT volume vendor: mkfs.fat physical id: 1 bus info: scsi@0:0.0.0,1 logical name: /dev/sda1 logical name: /boot/efi version: FAT32 serial: 9721-36f7 size: 510MiB capacity: 511MiB capabilities: boot fat initialized configuration: FATs=2 filesystem=fat mount.fstype=vfat mount.options=rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=mixed,utf8,errors=remount-ro state=mounted *-volume:1 description: EFI partition vendor: Linux physical id: 2 bus info: scsi@0:0.0.0,2 logical name: /dev/sda2 logical name: /boot version: 1.0 serial: 21f9f36d-bfda-48a9-ab0e-7262a4b3ea4b size: 244MiB capabilities: extended_attributes large_files ext2 initialized configuration: filesystem=ext2 lastmountpoint=/boot modified=2018-10-28 14:29:16 mount.fstype=ext2 mount.options=rw,relatime,block_validity,barrier,user_xattr,acl mounted=2018-10-28 14:29:16 state=mounted *-volume:2 description: EFI partition physical id: 3 bus info: scsi@0:0.0.0,3 logical name: /dev/sda3 serial: 564cfd46-9e37-40e7-abb3-1df63732b958 size: 118GiB capacity: 118GiB width: 512 bits capabilities: encrypted luks initialized configuration: bits=512 cipher=aes filesystem=luks hash=sha256 mode=xts-plain64 version=1