I booted my PC and while it was sitting idle at the GDM login screen, my system hung completely. After a hard reset, I found this in /sys/fs/pstore:
Panic#1 Part16 <7>[ 2.181639] sd 9:0:0:0: [sdb] Mode Sense: 47 00 10 08 <3>[ 2.182131] sd 9:0:0:0: [sdb] No Caching mode page found <3>[ 2.182149] sd 9:0:0:0: [sdb] Assuming drive cache: write through <6>[ 2.186585] sdb: sdb1 <5>[ 2.188389] sd 9:0:0:0: [sdb] Attached SCSI disk <6>[ 2.192456] usb 1-10: New USB device found, idVendor=059f, idProduct=1020, bcdDevice= 0.04 <6>[ 2.192458] usb 1-10: New USB device strings: Mfr=10, Product=11, SerialNumber=3 <6>[ 2.192459] usb 1-10: Product: LaCie DVDRW USB <6>[ 2.192460] usb 1-10: Manufacturer: LaCie <6>[ 2.192461] usb 1-10: SerialNumber: 0003420e40000000015701ce11068 <6>[ 2.208470] usb-storage 1-10:1.0: USB Mass Storage device detected <6>[ 2.208599] scsi host10: usb-storage 1-10:1.0 <6>[ 2.230174] sda: sda1 sda2 sda3 <5>[ 2.230668] sd 4:0:0:0: [sda] Attached SCSI disk <6>[ 2.280422] usb 1-9.1: new high-speed USB device number 5 using xhci_hcd <6>[ 2.398309] usb 1-9.1: New USB device found, idVendor=0424, idProduct=2640, bcdDevice= 0.00 <6>[ 2.398311] usb 1-9.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 2.403774] hub 1-9.1:1.0: USB hub found <6>[ 2.406324] hub 1-9.1:1.0: 3 ports detected <6>[ 2.556422] ata6: SATA link up 6.0 Gbps (SStatus 133 SControl 300) <6>[ 2.556906] ata6.00: ATA-9: SAMSUNG SSD 830 Series, CXM03B1Q, max UDMA/133 <6>[ 2.556907] ata6.00: 500118192 sectors, multi 16: LBA48 NCQ (depth 32), AA <6>[ 2.557178] ata6.00: configured for UDMA/133 <5>[ 2.557324] scsi 5:0:0:0: Direct-Access ATA SAMSUNG SSD 830 3B1Q PQ: 0 ANSI: 5 <5>[ 2.557468] sd 5:0:0:0: [sdc] 500118192 512-byte logical blocks: (256 GB/238 GiB) <5>[ 2.557473] sd 5:0:0:0: [sdc] Write Protect is off <7>[ 2.557474] sd 5:0:0:0: [sdc] Mode Sense: 00 3a 00 00 Panic#1 Part15 <5>[ 2.557481] sd 5:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA <6>[ 2.558176] sdc: sdc1 sdc2 sdc3 < sdc5 sdc6 > <5>[ 2.558504] sd 5:0:0:0: [sdc] Attached SCSI disk <6>[ 2.724424] usb 1-9.1.1: new high-speed USB device number 6 using xhci_hcd <6>[ 2.888540] usb 1-9.1.1: New USB device found, idVendor=0424, idProduct=4060, bcdDevice= 1.82 <6>[ 2.888542] usb 1-9.1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 <6>[ 2.888543] usb 1-9.1.1: Product: Ultra Fast Media Reader <6>[ 2.888544] usb 1-9.1.1: Manufacturer: Generic <6>[ 2.888545] usb 1-9.1.1: SerialNumber: F120A6009E13 <6>[ 2.896495] usb-storage 1-9.1.1:1.0: USB Mass Storage device detected <6>[ 2.896683] scsi host11: usb-storage 1-9.1.1:1.0 <6>[ 2.984428] usb 1-9.1.3: new full-speed USB device number 7 using xhci_hcd <5>[ 3.238690] scsi 10:0:0:0: CD-ROM TSSTcorp CDDVDW SN-208DB SB01 PQ: 0 ANSI: 0 <6>[ 3.274265] sr 1:0:0:0: [sr0] scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray <6>[ 3.274267] cdrom: Uniform CD-ROM driver Revision: 3.20 <7>[ 3.274824] sr 1:0:0:0: Attached scsi CD-ROM sr0 <6>[ 3.340794] usb 1-9.1.3: New USB device found, idVendor=046d, idProduct=c52b, bcdDevice=12.07 <6>[ 3.340796] usb 1-9.1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 <6>[ 3.340797] usb 1-9.1.3: Product: USB Receiver <6>[ 3.340798] usb 1-9.1.3: Manufacturer: Logitech <6>[ 3.346540] sr 10:0:0:0: [sr1] scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray <7>[ 3.346878] sr 10:0:0:0: Attached scsi CD-ROM sr1 <6>[ 3.470009] logitech-djreceiver 0003:046D:C52B.0005: hiddev0,hidraw2: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:03:00.0-9.1.3/input2 Panic#1 Part14 <6>[ 3.598380] input: Logitech Unifying Device. Wireless PID:101b Mouse as /devices/pci0000:00/0000:00:01.3/0000:03:00.0/usb1/1-9/1-9.1/1-9.1.3/1-9.1.3:1.2/0003:046D:C52B.0005/0003:046D:101B.0006/input/input3 <6>[ 3.598590] hid-generic 0003:046D:101B.0006: input,hidraw3: USB HID v1.11 Mouse [Logitech Unifying Device. Wireless PID:101b] on usb-0000:03:00.0-9.1.3:1 <6>[ 3.646465] input: Logitech M705 as /devices/pci0000:00/0000:00:01.3/0000:03:00.0/usb1/1-9/1-9.1/1-9.1.3/1-9.1.3:1.2/0003:046D:C52B.0005/0003:046D:101B.0006/input/input7 <6>[ 3.646691] logitech-hidpp-device 0003:046D:101B.0006: input,hidraw3: USB HID v1.11 Mouse [Logitech M705] on usb-0000:03:00.0-9.1.3:1 <5>[ 3.917567] scsi 11:0:0:0: Direct-Access Generic Ultra HS-SD/MMC 1.82 PQ: 0 ANSI: 0 <3>[ 7.873092] scsi 9:0:0:1: Wrong diagnostic page; asked for 1 got 8 <3>[ 7.873118] scsi 9:0:0:1: Failed to get diagnostic page 0x1 <3>[ 7.873137] scsi 9:0:0:1: Failed to bind enclosure -19 <5>[ 7.873172] ses 9:0:0:1: Attached Enclosure device <5>[ 7.886717] sd 11:0:0:0: [sdd] 31504384 512-byte logical blocks: (16.1 GB/15.0 GiB) <5>[ 7.896262] sd 11:0:0:0: [sdd] Write Protect is off <7>[ 7.896264] sd 11:0:0:0: [sdd] Mode Sense: 23 00 00 00 <3>[ 7.905861] sd 11:0:0:0: [sdd] No Caching mode page found <3>[ 7.905885] sd 11:0:0:0: [sdd] Assuming drive cache: write through <6>[ 7.940207] sdd: sdd1 <5>[ 7.964494] sd 11:0:0:0: [sdd] Attached SCSI removable disk <6>[ 8.640137] raid6: avx2x4 gen() 22948 MB/s <6>[ 8.708134] raid6: avx2x4 xor() 13173 MB/s <6>[ 8.776139] raid6: avx2x2 gen() 21911 MB/s <6>[ 8.844018] raid6: avx2x2 xor() 13980 MB/s <6>[ 8.912134] raid6: avx2x1 gen() 16741 MB/s Panic#1 Part13 <6>[ 8.980018] raid6: avx2x1 xor() 13052 MB/s <6>[ 9.048139] raid6: sse2x4 gen() 16254 MB/s <6>[ 9.116138] raid6: sse2x4 xor() 9356 MB/s <6>[ 9.184137] raid6: sse2x2 gen() 14335 MB/s <6>[ 9.252139] raid6: sse2x2 xor() 10147 MB/s <6>[ 9.320141] raid6: sse2x1 gen() 7695 MB/s <6>[ 9.388140] raid6: sse2x1 xor() 7419 MB/s <6>[ 9.388141] raid6: using algorithm avx2x4 gen() 22948 MB/s <6>[ 9.388141] raid6: .... xor() 13173 MB/s, rmw enabled <6>[ 9.388141] raid6: using avx2x2 recovery algorithm <6>[ 9.388640] xor: automatically using best checksumming function avx <6>[ 9.388936] async_tx: api initialized (async) <6>[ 9.429319] device-mapper: uevent: version 1.0.3 <6>[ 9.429368] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-de...@redhat.com <6>[ 9.620910] Btrfs loaded, crc32c=crc32c-intel <6>[ 9.962663] BTRFS: device fsid 0dc502fb-1f33-4dc9-80d4-1c3bf8a51f3a devid 1 transid 281234 /dev/mapper/debian-root <6>[ 9.962751] BTRFS: device fsid d3a749e5-ab8e-486a-912a-5ed2fcd7618e devid 1 transid 21850 /dev/sda3 <6>[ 9.962841] BTRFS: device fsid 5c6276a1-4ed4-440b-a88c-ef31ff30b9db devid 1 transid 61125 /dev/sda2 <7>[ 9.982798] PM: Image not found (code -22) <6>[ 10.003537] BTRFS info (device dm-0): disk space caching is enabled <6>[ 10.003539] BTRFS info (device dm-0): has skinny extents <6>[ 10.015445] BTRFS info (device dm-0): enabling ssd optimizations <30>[ 10.171164] systemd[1]: Inserted module 'autofs4' <30>[ 10.293073] systemd[1]: systemd 241 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid) Panic#1 Part12 <30>[ 10.312490] systemd[1]: Detected architecture x86-64. <30>[ 10.321921] systemd[1]: Set hostname to <piranha>. <30>[ 10.429944] systemd[1]: Listening on initctl Compatibility Named Pipe. <30>[ 10.429996] systemd[1]: Reached target Remote File Systems. <30>[ 10.430055] systemd[1]: Listening on Journal Socket. <30>[ 10.432796] systemd[1]: Mounting Kernel Debug File System... <30>[ 10.433596] systemd[1]: Starting Set the console keyboard layout... <30>[ 10.433667] systemd[1]: Listening on Journal Socket (/dev/log). <30>[ 10.433884] systemd[1]: Created slice system-getty.slice. <6>[ 10.442191] BTRFS info (device dm-0): disk space caching is enabled <6>[ 10.451248] netpoll: netconsole: local port 6666 <6>[ 10.451249] netpoll: netconsole: local IPv4 address 192.168.5.205 <6>[ 10.451250] netpoll: netconsole: interface 'enp5s0' <6>[ 10.451250] netpoll: netconsole: remote port 6666 <6>[ 10.451251] netpoll: netconsole: remote IPv4 address 192.168.5.128 <6>[ 10.451251] netpoll: netconsole: remote ethernet address 24:77:03:f0:16:64 <3>[ 10.451252] netpoll: netconsole: enp5s0 doesn't exist, aborting <3>[ 10.451272] netconsole: cleaning up <6>[ 10.558395] acpi_cpufreq: overriding BIOS provided _PSD data <6>[ 10.558570] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input8 <6>[ 10.558588] ACPI: Power Button [PWRB] <6>[ 10.558688] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input9 <6>[ 10.558712] ACPI: Power Button [PWRF] <46>[ 10.565910] systemd-journald[480]: Received request to flush runtime journal from PID 1 <6>[ 10.573490] parport_pc 00:03: reported by Plug and Play ACPI Panic#1 Part11 <6>[ 10.573576] parport0: PC-style at 0x378, irq 5 [PCSPP] <6>[ 10.613050] input: PC Speaker as /devices/platform/pcspkr/input/input10 <6>[ 10.613445] sp5100_tco: SP5100/SB800 TCO WatchDog Timer Driver <6>[ 10.613526] sp5100-tco sp5100-tco: Using 0xfed80b00 for watchdog MMIO address <3>[ 10.613536] sp5100-tco sp5100-tco: Watchdog hardware is disabled <5>[ 10.613845] sr 1:0:0:0: Attached scsi generic sg0 type 5 <5>[ 10.613889] sd 4:0:0:0: Attached scsi generic sg1 type 0 <5>[ 10.613934] sd 9:0:0:0: Attached scsi generic sg2 type 0 <5>[ 10.613981] ses 9:0:0:1: Attached scsi generic sg3 type 13 <5>[ 10.614036] sd 5:0:0:0: Attached scsi generic sg4 type 0 <5>[ 10.614092] sr 10:0:0:0: Attached scsi generic sg5 type 5 <5>[ 10.614135] sd 11:0:0:0: Attached scsi generic sg6 type 0 <6>[ 10.614953] EFI Variables Facility v0.08 2004-May-17 <6>[ 10.615960] nct6775: Found NCT6795D or compatible chip at 0x4e:0xa20 <6>[ 10.641043] ccp 0000:1d:00.2: enabling device (0000 -> 0002) <6>[ 10.641121] io scheduler bfq registered <5>[ 10.649421] ccp 0000:1d:00.2: ccp enabled <5>[ 10.649445] ccp 0000:1d:00.2: psp initialization failed <5>[ 10.649446] ccp 0000:1d:00.2: enabled <6>[ 10.675876] pstore: Using crash dump compression: deflate <6>[ 10.701472] ppdev: user-space parallel port driver <6>[ 10.718562] pstore: Registered efi as persistent store backend <6>[ 10.725644] snd_hda_intel 0000:1c:00.1: Handle vga_switcheroo audio client <6>[ 10.725645] snd_hda_intel 0000:1c:00.1: Force to non-snoop mode <6>[ 10.725953] snd_hda_intel 0000:1e:00.3: enabling device (0000 -> 0002) <6>[ 10.734060] BTRFS info (device dm-0): device fsid 0dc502fb-1f33-4dc9-80d4-1c3bf8a51f3a devid 1 moved old:/dev/mapper/debian-root new:/dev/dm-0 Panic#1 Part10 <6>[ 10.739627] [drm] radeon kernel modesetting enabled. <7>[ 10.740444] checking generic (e0000000 300000) vs hw (e0000000 10000000) <6>[ 10.740446] fb0: switching to radeondrmfb from EFI VGA <6>[ 10.741813] Console: switching to colour dummy device 80x25 <6>[ 10.742159] [drm] initializing kernel modesetting (PITCAIRN 0x1002:0x6819 0x174B:0xE218 0x00). <6>[ 10.742242] ATOM BIOS: C40304 <6>[ 10.742310] radeon 0000:1c:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used) <6>[ 10.742311] radeon 0000:1c:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF <6>[ 10.742314] [drm] Detected VRAM RAM=2048M, BAR=256M <6>[ 10.742315] [drm] RAM width 256bits DDR <6>[ 10.742366] [TTM] Zone kernel: Available graphics memory: 8219734 kiB <6>[ 10.742367] [TTM] Zone dma32: Available graphics memory: 2097152 kiB <6>[ 10.742367] [TTM] Initializing pool allocator <6>[ 10.742371] [TTM] Initializing DMA pool allocator <6>[ 10.742390] [drm] radeon: 2048M of VRAM memory ready <6>[ 10.742391] [drm] radeon: 2048M of GTT memory ready. <6>[ 10.742399] [drm] Loading pitcairn Microcode <6>[ 10.743917] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input11 <6>[ 10.743972] input: HDA ATI HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input12 <6>[ 10.744044] input: HDA ATI HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input13 <6>[ 10.744141] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_pfp.bin <6>[ 10.744759] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_me.bin Panic#1 Part9 <6>[ 10.745018] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_ce.bin <6>[ 10.745343] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_rlc.bin <6>[ 10.745870] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC892: line_outs=4 (0x14/0x15/0x16/0x17/0x0) type:line <6>[ 10.745872] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) <6>[ 10.745874] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0) <6>[ 10.745875] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 <6>[ 10.745876] snd_hda_codec_realtek hdaudioC1D0: inputs: <6>[ 10.745878] snd_hda_codec_realtek hdaudioC1D0: Front Mic=0x19 <6>[ 10.745879] snd_hda_codec_realtek hdaudioC1D0: Rear Mic=0x18 <6>[ 10.745880] snd_hda_codec_realtek hdaudioC1D0: Line=0x1a <6>[ 10.746349] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_mc.bin <6>[ 10.747065] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/pitcairn_smc.bin <6>[ 10.747073] [drm] Internal thermal controller with fan control <6>[ 10.751176] BTRFS info (device dm-0): device fsid 0dc502fb-1f33-4dc9-80d4-1c3bf8a51f3a devid 1 moved old:/dev/dm-0 new:/dev/mapper/debian-root <6>[ 10.756121] input: HDA ATI HDMI HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input14 <6>[ 10.757393] input: HDA ATI HDMI HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input15 <6>[ 10.757461] input: HDA ATI HDMI HDMI/DP,pcm=11 as /devices/pci0000:00/0000:00:03.1/0000:1c:00.1/sound/card0/input16 <6>[ 10.757526] [drm] radeon: dpm initialized <6>[ 10.761670] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/TAHITI_uvd.bin Panic#1 Part8 <6>[ 10.762769] radeon 0000:1c:00.0: firmware: direct-loading firmware radeon/TAHITI_vce.bin <6>[ 10.763839] [drm] Found VCE firmware/feedback version 50.0.1 / 17! <6>[ 10.763853] [drm] GART: num cpu pages 524288, num gpu pages 524288 <6>[ 10.764670] input: HD-Audio Generic Front Mic as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input17 <6>[ 10.764735] input: HD-Audio Generic Rear Mic as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input18 <6>[ 10.764788] input: HD-Audio Generic Line as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input19 <6>[ 10.764835] input: HD-Audio Generic Line Out Front as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input20 <6>[ 10.764880] input: HD-Audio Generic Line Out Surround as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input21 <6>[ 10.764926] input: HD-Audio Generic Line Out CLFE as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input22 <6>[ 10.764974] input: HD-Audio Generic Line Out Side as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input23 <6>[ 10.765015] input: HD-Audio Generic Front Headphone as /devices/pci0000:00/0000:00:08.1/0000:1e:00.3/sound/card1/input24 <6>[ 10.766824] [drm] PCIE gen 3 link speeds already enabled <3>[ 10.779460] kvm: disabled by bios <6>[ 10.780551] MCE: In-kernel MCE decoding enabled. <6>[ 10.781875] EDAC amd64: Node 0: DRAM ECC disabled. <6>[ 10.781877] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load. <6>[ 10.781877] Either enable ECC checking or force module loading by setting 'ecc_enable_override'. <6>[ 10.781877] (Note that use of the override may cause unknown side effects.) Panic#1 Part7 <6>[ 10.782874] [drm] PCIE GART of 2048M enabled (table at 0x00000000001D6000). <6>[ 10.783058] radeon 0000:1c:00.0: WB enabled <6>[ 10.783060] radeon 0000:1c:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0x000000002ff3731a <6>[ 10.783062] radeon 0000:1c:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0x000000002aff0417 <6>[ 10.783063] radeon 0000:1c:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0x00000000d5561f5f <6>[ 10.783063] radeon 0000:1c:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0x000000006bcd524b <6>[ 10.783064] radeon 0000:1c:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0x000000006d0bb18d <6>[ 10.783378] radeon 0000:1c:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0x000000009b5b1640 <6>[ 10.803391] radeon 0000:1c:00.0: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0x000000008abc4a65 <6>[ 10.803393] radeon 0000:1c:00.0: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0x00000000299c5e1c <6>[ 10.803401] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). <6>[ 10.803402] [drm] Driver supports precise vblank timestamp query. <6>[ 10.803403] radeon 0000:1c:00.0: radeon: MSI limited to 32-bit <6>[ 10.803445] radeon 0000:1c:00.0: radeon: using MSI. <6>[ 10.803470] [drm] radeon: irq initialized. <6>[ 10.811008] Adding 3903484k swap on /dev/mapper/debian-swap. Priority:-2 extents:1 across:3903484k SSFS <6>[ 10.900057] BTRFS: device fsid 4ba7f332-ec45-46fa-9156-40a29b055581 devid 1 transid 9348 /dev/dm-2 Panic#1 Part6 <6>[ 11.028854] [drm] ring test on 0 succeeded in 1 usecs <6>[ 11.028862] [drm] ring test on 1 succeeded in 1 usecs <6>[ 11.028869] [drm] ring test on 2 succeeded in 1 usecs <6>[ 11.028882] [drm] ring test on 3 succeeded in 4 usecs <6>[ 11.028892] [drm] ring test on 4 succeeded in 4 usecs <6>[ 11.028919] BTRFS info (device sda3): enabling auto defrag <6>[ 11.028921] BTRFS info (device sda3): use zstd compression, level 0 <6>[ 11.028923] BTRFS info (device sda3): enabling inode map caching <6>[ 11.028924] BTRFS info (device sda3): using free space tree <6>[ 11.028924] BTRFS info (device sda3): has skinny extents <6>[ 11.029031] BTRFS info (device sda2): enabling auto defrag <6>[ 11.029041] BTRFS info (device sda2): use zstd compression, level 0 <6>[ 11.029055] BTRFS info (device sda2): enabling inode map caching <6>[ 11.029056] BTRFS info (device sda2): using free space tree <6>[ 11.029246] BTRFS info (device dm-2): disk space caching is enabled <6>[ 11.029250] BTRFS info (device dm-2): has skinny extents <6>[ 11.050552] BTRFS info (device dm-2): enabling ssd optimizations <6>[ 11.204852] [drm] ring test on 5 succeeded in 2 usecs <6>[ 11.204860] [drm] UVD initialized successfully. <6>[ 11.314199] [drm] ring test on 6 succeeded in 19 usecs <6>[ 11.314212] [drm] ring test on 7 succeeded in 2 usecs <6>[ 11.314213] [drm] VCE initialized successfully. <6>[ 11.314450] [drm] ib test on ring 0 succeeded in 0 usecs <6>[ 11.314498] [drm] ib test on ring 1 succeeded in 0 usecs <6>[ 11.314545] [drm] ib test on ring 2 succeeded in 0 usecs <6>[ 11.314592] [drm] ib test on ring 3 succeeded in 0 usecs <6>[ 11.314637] [drm] ib test on ring 4 succeeded in 0 usecs <6>[ 11.473582] EDAC amd64: Node 0: DRAM ECC disabled. Panic#1 Part5 <6>[ 11.473584] EDAC amd64: ECC disabled in the BIOS or no ECC capability, module will not load. <6>[ 11.473584] Either enable ECC checking or force module loading by setting 'ecc_enable_override'. <6>[ 11.473584] (Note that use of the override may cause unknown side effects.) <6>[ 11.639890] BTRFS info (device sda3): bdev /dev/sda3 errs: wr 0, rd 0, flush 0, corrupt 2, gen 0 <6>[ 11.968140] [drm] ib test on ring 5 succeeded <6>[ 12.480484] [drm] ib test on ring 6 succeeded <6>[ 12.992563] [drm] ib test on ring 7 succeeded <6>[ 12.993452] [drm] Radeon Display Connectors <6>[ 12.993454] [drm] Connector 0: <6>[ 12.993455] [drm] DP-1 <6>[ 12.993455] [drm] HPD4 <6>[ 12.993457] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c <6>[ 12.993458] [drm] Encoders: <6>[ 12.993459] [drm] DFP1: INTERNAL_UNIPHY2 <6>[ 12.993460] [drm] Connector 1: <6>[ 12.993460] [drm] DP-2 <6>[ 12.993461] [drm] HPD5 <6>[ 12.993462] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c <6>[ 12.993463] [drm] Encoders: <6>[ 12.993464] [drm] DFP2: INTERNAL_UNIPHY2 <6>[ 12.993464] [drm] Connector 2: <6>[ 12.993465] [drm] HDMI-A-1 <6>[ 12.993465] [drm] HPD1 <6>[ 12.993467] [drm] DDC: 0x6550 0x6550 0x6554 0x6554 0x6558 0x6558 0x655c 0x655c <6>[ 12.993467] [drm] Encoders: <6>[ 12.993468] [drm] DFP3: INTERNAL_UNIPHY1 <6>[ 12.993469] [drm] Connector 3: <6>[ 12.993469] [drm] DVI-I-1 <6>[ 12.993470] [drm] HPD6 <6>[ 12.993471] [drm] DDC: 0x6580 0x6580 0x6584 0x6584 0x6588 0x6588 0x658c 0x658c <6>[ 12.993472] [drm] Encoders: <6>[ 12.993473] [drm] DFP4: INTERNAL_UNIPHY <6>[ 12.993473] [drm] CRT1: INTERNAL_KLDSCP_DAC1 <6>[ 13.088245] [drm] fb mappable at 0xE05D8000 Panic#1 Part4 <6>[ 13.088246] [drm] vram apper at 0xE0000000 <6>[ 13.088246] [drm] size 9216000 <6>[ 13.088247] [drm] fb depth is 24 <6>[ 13.088247] [drm] pitch is 7680 <6>[ 13.088345] fbcon: radeondrmfb (fb0) is primary device <6>[ 13.130862] Console: switching to colour frame buffer device 240x75 <6>[ 13.139473] radeon 0000:1c:00.0: fb0: radeondrmfb frame buffer device <6>[ 13.156187] [drm] Initialized radeon 2.50.0 20080528 for 0000:1c:00.0 on minor 0 <6>[ 13.226880] [drm] amdgpu kernel modesetting enabled. <6>[ 13.226947] Parsing CRAT table with 1 nodes <6>[ 13.226950] Ignoring ACPI CRAT on non-APU system <6>[ 13.226952] Virtual CRAT table created for CPU <6>[ 13.226952] Parsing CRAT table with 1 nodes <6>[ 13.226953] Creating topology SYSFS entries <6>[ 13.226963] Topology: Add CPU node <6>[ 13.226963] Finished initializing topology <5>[ 30.293989] audit: type=1400 audit(1554826756.102:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-xpdfimport" pid=975 comm="apparmor_parser" <5>[ 30.294133] audit: type=1400 audit(1554826756.102:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-oopslash" pid=974 comm="apparmor_parser" <5>[ 30.294252] audit: type=1400 audit(1554826756.102:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="libreoffice-senddoc" pid=980 comm="apparmor_parser" <5>[ 30.296473] audit: type=1400 audit(1554826756.106:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="torbrowser_tor" pid=976 comm="apparmor_parser" <5>[ 30.297111] audit: type=1400 audit(1554826756.106:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="system_tor" pid=972 comm="apparmor_parser" Panic#1 Part3 <5>[ 30.297352] audit: type=1400 audit(1554826756.106:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="klogd" pid=985 comm="apparmor_parser" <5>[ 30.298105] audit: type=1400 audit(1554826756.106:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="virt-aa-helper" pid=979 comm="apparmor_parser" <5>[ 30.298199] audit: type=1400 audit(1554826756.106:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="ping" pid=984 comm="apparmor_parser" <5>[ 30.298700] audit: type=1400 audit(1554826756.106:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/bin/irssi" pid=973 comm="apparmor_parser" <5>[ 30.299659] audit: type=1400 audit(1554826756.106:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/apt-cacher-ng" pid=978 comm="apparmor_parser" <6>[ 30.738748] r8169 0000:19:00.0: firmware: direct-loading firmware rtl_nic/rtl8168h-2.fw <6>[ 30.738945] Generic PHY r8169-1900:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=r8169-1900:00, irq=IGNORE) <6>[ 30.847023] r8169 0000:19:00.0 enp25s0: Link is Down <6>[ 33.307794] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. <6>[ 33.314504] tun: Universal TUN/TAP device driver, 1.6 <6>[ 33.315282] virbr0: port 1(virbr0-nic) entered blocking state <6>[ 33.315285] virbr0: port 1(virbr0-nic) entered disabled state <6>[ 33.315370] device virbr0-nic entered promiscuous mode <6>[ 33.653261] virbr0: port 1(virbr0-nic) entered blocking state <6>[ 33.653264] virbr0: port 1(virbr0-nic) entered listening state Panic#1 Part2 <6>[ 33.691524] virbr0: port 1(virbr0-nic) entered disabled state <6>[ 33.695182] virbr1: port 1(virbr1-nic) entered blocking state <6>[ 33.695185] virbr1: port 1(virbr1-nic) entered disabled state <6>[ 33.695293] device virbr1-nic entered promiscuous mode <6>[ 33.734427] virbr1: port 1(virbr1-nic) entered blocking state <6>[ 33.734430] virbr1: port 1(virbr1-nic) entered listening state <6>[ 33.766613] virbr1: port 1(virbr1-nic) entered disabled state <6>[ 34.546587] r8169 0000:19:00.0 enp25s0: Link is Up - 1Gbps/Full - flow control rx/tx <6>[ 34.546604] IPv6: ADDRCONF(NETDEV_CHANGE): enp25s0: link becomes ready <4>[ 35.472935] radeon_dp_aux_transfer_native: 158 callbacks suppressed <0>[ 99.131691] PANIC: double fault, error_code: 0x0 <4>[ 99.131703] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G E 5.0.0-trunk-amd64 #1 Debian 5.0.2-1~exp1 <4>[ 99.131705] Hardware name: Micro-Star International Co., Ltd. MS-7A34/B350 PC MATE (MS-7A34), BIOS A.J0 01/23/2019 <4>[ 99.131719] RIP: 0010:acpi_idle_do_entry+0x15/0x30 <4>[ 99.131725] Code: 66 90 fa 66 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 0f b6 47 08 3c 01 74 11 3c 02 74 12 8b 57 04 ec <48> 8b 15 d8 e2 f0 00 ed c3 e9 0d fc ff ff eb ab 90 90 90 90 90 90 <4>[ 99.131727] RSP: 0018:0000000000000000 EFLAGS: 00010093 <4>[ 99.131730] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 99.131731] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 99.131733] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000060000 <4>[ 99.131734] R10: fffffffdf7010000 R11: fffffffdf7018000 R12: 0000000000000000 <4>[ 99.131735] R13: 0000000000000000 R14: 0000000093000005 R15: 0000000000000000 Panic#1 Part1 <4>[ 99.131738] FS: 0000000000000000(0000) GS:ffff9d740eac0000(0000) knlGS:0000000000000000 <4>[ 99.131740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 99.131741] CR2: fffffffffffffff8 CR3: 0000000401810000 CR4: 00000000003406e0 <4>[ 99.131743] Call Trace: <0>[ 99.131745] Kernel panic - not syncing: Machine halted. <4>[ 99.131749] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G E 5.0.0-trunk-amd64 #1 Debian 5.0.2-1~exp1 <4>[ 99.131751] Hardware name: Micro-Star International Co., Ltd. MS-7A34/B350 PC MATE (MS-7A34), BIOS A.J0 01/23/2019 <4>[ 99.131752] Call Trace: <4>[ 99.131756] <#DF> <4>[ 99.131763] dump_stack+0x5c/0x80 <4>[ 99.131770] panic+0x101/0x2a7 <4>[ 99.131775] df_debug+0x29/0x36 <4>[ 99.131779] do_double_fault+0xa7/0x120 <4>[ 99.131782] double_fault+0x1e/0x30 <4>[ 99.131786] RIP: 0010:acpi_idle_do_entry+0x15/0x30 <4>[ 99.131788] Code: 66 90 fa 66 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 0f b6 47 08 3c 01 74 11 3c 02 74 12 8b 57 04 ec <48> 8b 15 d8 e2 f0 00 ed c3 e9 0d fc ff ff eb ab 90 90 90 90 90 90 <4>[ 99.131790] RSP: 0018:0000000000000000 EFLAGS: 00010093 <4>[ 99.131792] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 99.131794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 99.131795] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000060000 <4>[ 99.131797] R10: fffffffdf7010000 R11: fffffffdf7018000 R12: 0000000000000000 <4>[ 99.131798] R13: 0000000000000000 R14: 0000000093000005 R15: 0000000000000000 <4>[ 99.131802] </#DF> <0>[ 99.131904] Kernel Offset: 0x25000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Does this look like a kernel bug or am I experiencing a hardware problem? -- Frederik Himpe