Instead of killing something with a high niceness low memory situations seem to hang something super-ultra-so-very vital, writes fail and the root partition is remounted read-only. After that systemd-journald starts stupidly spamming and earlier logs are rendered unusable.
I'd post more logs but https://github.com/systemd/systemd/issues/2339 hasn't been fixed in years.
This has happened at least four times, across many kernel versions. With Ubuntu 18.10, 19.04 and 19.10.
```
[827788.409138] sd 5:0:0:0: [sdb] tag#12 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409141] sd 5:0:0:0: [sdb] tag#12 CDB: Write(10) 2a 00 01 e0 b8 f0 00 00 10 00
[827788.409143] blk_update_request: I/O error, dev sdb, sector 31504624 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[827788.409151] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871518)
[827788.409154] Buffer I/O error on device dm-1, logical block 3871518
[827788.409163] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871519)
[827788.409164] Buffer I/O error on device dm-1, logical block 3871519
[827788.409172] sd 5:0:0:0: [sdb] tag#11 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409174] sd 5:0:0:0: [sdb] tag#11 CDB: Write(10) 2a 00 01 e0 bb 70 00 00 08 00
[827788.409175] blk_update_request: I/O error, dev sdb, sector 31505264 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827788.409179] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871598)
[827788.409180] Buffer I/O error on device dm-1, logical block 3871598
[827788.409188] sd 5:0:0:0: [sdb] tag#10 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409189] sd 5:0:0:0: [sdb] tag#10 CDB: Write(10) 2a 00 01 e0 ba 60 00 00 38 00
[827788.409190] blk_update_request: I/O error, dev sdb, sector 31504992 op 0x1:(WRITE) flags 0x0 phys_seg 7 prio class 0
[827788.409194] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871564)
[827788.409195] Buffer I/O error on device dm-1, logical block 3871564
[827788.409196] Buffer I/O error on device dm-1, logical block 3871565
[827788.409198] Buffer I/O error on device dm-1, logical block 3871566
[827788.409199] Buffer I/O error on device dm-1, logical block 3871567
[827788.409201] Buffer I/O error on device dm-1, logical block 3871568
[827788.409202] Buffer I/O error on device dm-1, logical block 3871569
[827788.409203] Buffer I/O error on device dm-1, logical block 3871570
[827788.409210] sd 5:0:0:0: [sdb] tag#9 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409211] sd 5:0:0:0: [sdb] tag#9 CDB: Write(10) 2a 00 01 e0 ba 30 00 00 08 00
[827788.409212] blk_update_request: I/O error, dev sdb, sector 31504944 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827788.409216] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871558)
[827788.409220] sd 5:0:0:0: [sdb] tag#8 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409221] sd 5:0:0:0: [sdb] tag#8 CDB: Write(10) 2a 00 01 e0 ba 50 00 00 08 00
[827788.409222] blk_update_request: I/O error, dev sdb, sector 31504976 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827788.409225] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871562)
[827788.409228] sd 5:0:0:0: [sdb] tag#4 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827788.409229] sd 5:0:0:0: [sdb] tag#4 CDB: Write(10) 2a 00 01 e0 bb 88 00 00 08 00
[827788.409230] blk_update_request: I/O error, dev sdb, sector 31505288 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827788.409233] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871601)
[827818.628273] sd 5:0:0:0: [sdb] tag#31 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628276] sd 5:0:0:0: [sdb] tag#31 CDB: Write(10) 2a 00 01 cf 12 38 00 00 30 00
[827818.628279] blk_update_request: I/O error, dev sdb, sector 30347832 op 0x1:(WRITE) flags 0x800 phys_seg 6 prio class 0
[827818.628347] sd 5:0:0:0: [sdb] tag#28 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628351] sd 5:0:0:0: [sdb] tag#28 CDB: Write(10) 2a 00 01 93 2f b0 00 00 08 00
[827818.628353] blk_update_request: I/O error, dev sdb, sector 26423216 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827818.628358] Aborting journal on device dm-1-8.
[827818.628374] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3236342)
[827818.628379] buffer_io_error: 3 callbacks suppressed
[827818.628381] Buffer I/O error on device dm-1, logical block 3236342
[827818.628401] sd 5:0:0:0: [sdb] tag#23 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628404] sd 5:0:0:0: [sdb] tag#23 CDB: Write(10) 2a 00 00 08 20 00 00 00 08 00
[827818.628406] blk_update_request: I/O error, dev sdb, sector 532480 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827818.628412] Buffer I/O error on dev dm-1, logical block 0, lost async page write
[827818.628422] sd 5:0:0:0: [sdb] tag#21 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628423] sd 5:0:0:0: [sdb] tag#21 CDB: Write(10) 2a 00 01 e0 bb f0 00 00 08 00
[827818.628424] blk_update_request: I/O error, dev sdb, sector 31505392 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827818.628431] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1577543 (offset 0 size 0 starting block 3871614)
[827818.628433] Buffer I/O error on device dm-1, logical block 3871614
[827818.628438] sd 5:0:0:0: [sdb] tag#2 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628440] sd 5:0:0:0: [sdb] tag#2 CDB: Write(10) 2a 00 01 a0 fa 68 00 00 08 00
[827818.628441] blk_update_request: I/O error, dev sdb, sector 27327080 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827818.628445] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1351263 (offset 0 size 0 starting block 3349325)
[827818.628446] Buffer I/O error on device dm-1, logical block 3349325
[827818.628451] sd 5:0:0:0: [sdb] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827818.628453] sd 5:0:0:0: [sdb] tag#0 CDB: Write(10) 2a 00 01 dc 9c 90 00 00 08 00
[827818.628454] blk_update_request: I/O error, dev sdb, sector 31235216 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827818.628458] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1313164 (offset 0 size 0 starting block 3837842)
[827818.628459] Buffer I/O error on device dm-1, logical block 3837842
[827818.670084] EXT4-fs (dm-1): previous I/O error to superblock detected
[827833.710692] usb 3-6.1: USB disconnect, device number 41
[827834.707792] usb 3-6.1: new low-speed USB device number 42 using xhci_hcd
[827835.528834] usb 3-6.1: New USB device found, idVendor=0463, idProduct=ffff, bcdDevice= 1.00
[827835.528836] usb 3-6.1: New USB device strings: Mfr=1, Product=2, SerialNumber=4
[827835.528838] usb 3-6.1: Product: Ellipse PRO
[827835.528839] usb 3-6.1: Manufacturer: EATON
[827839.336303] hid-generic 0003:0463:FFFF.0AB8: hiddev1,hidraw2: USB HID v1.10 Device [EATON Ellipse PRO] on usb-0000:04:00.3-6.1/input0
[827848.687401] sd 5:0:0:0: [sdb] tag#29 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827848.687404] sd 5:0:0:0: [sdb] tag#29 CDB: Write(10) 2a 00 02 50 7b e8 00 00 20 00
[827848.687407] blk_update_request: I/O error, dev sdb, sector 38829032 op 0x1:(WRITE) flags 0x0 phys_seg 4 prio class 0
[827848.687415] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704104 (offset 0 size 0 starting block 4787069)
[827848.687417] Buffer I/O error on device dm-1, logical block 4787069
[827848.687420] Buffer I/O error on device dm-1, logical block 4787070
[827848.687425] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704104 (offset 0 size 0 starting block 4787071)
[827848.687426] Buffer I/O error on device dm-1, logical block 4787071
[827848.687430] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704104 (offset 0 size 0 starting block 4787072)
[827848.687431] Buffer I/O error on device dm-1, logical block 4787072
[827848.687439] sd 5:0:0:0: [sdb] tag#20 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827848.687441] sd 5:0:0:0: [sdb] tag#20 CDB: Write(10) 2a 00 02 da 6f b8 00 00 10 00
[827848.687442] blk_update_request: I/O error, dev sdb, sector 47869880 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[827848.687445] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704088 (offset 0 size 0 starting block 5917175)
[827848.687446] Buffer I/O error on device dm-1, logical block 5917175
[827848.687449] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704088 (offset 0 size 0 starting block 5917176)
[827848.687450] Buffer I/O error on device dm-1, logical block 5917176
[827848.687458] sd 5:0:0:0: [sdb] tag#19 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827848.687459] sd 5:0:0:0: [sdb] tag#19 CDB: Write(10) 2a 00 01 cc 20 00 00 00 08 00
[827848.687460] blk_update_request: I/O error, dev sdb, sector 30154752 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[827848.687463] blk_update_request: I/O error, dev sdb, sector 30154752 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 0
[827848.687467] Buffer I/O error on dev dm-1, logical block 3702784, lost sync page write
[827848.687473] sd 5:0:0:0: [sdb] tag#18 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[827848.687476] JBD2: Error -5 detected when updating journal superblock for dm-1-8.
[827848.687478] sd 5:0:0:0: [sdb] tag#18 CDB: Write(10) 2a 00 02 da 6f a8 00 00 08 00
[827848.687479] blk_update_request: I/O error, dev sdb, sector 47869864 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[827848.687482] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1704088 (offset 0 size 0 starting block 5917173)
[827848.687483] Buffer I/O error on device dm-1, logical block 5917173
[827849.861197] kauditd_printk_skb: 2 callbacks suppressed
[827849.861200] audit: type=1107 audit(1584664988.392:1138645): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceRemoved" name=":1.49" mask="receive" pid=15654 label="snap.chromium.chromium" peer_pid=1751 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[827863.341252] JBD2: Detected IO errors while flushing file data on dm-1-8
[827863.343642] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.343645] EXT4-fs (dm-1): Remounting filesystem read-only
[827863.351655] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.366372] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.372043] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.372044] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.372050] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.373408] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.374416] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.384710] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827863.384713] EXT4-fs (dm-1): ext4_writepages: jbd2_start: 1023 pages, ino 1351263; err -30
[827863.384714] EXT4-fs error (device dm-1): ext4_journal_check_start:61: Detected aborted journal
[827891.892138] audit: type=1107 audit(1584665030.421:1138646): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceAdded" name=":1.49" mask="receive" pid=15654 label="snap.chromium.chromium" peer_pid=1751 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[827893.609791] usb 3-2: USB disconnect, device number 36
[828009.578504] sd 5:0:0:0: [sdb] tag#31 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578507] sd 5:0:0:0: [sdb] tag#31 CDB: Write(10) 2a 00 01 dd bb a8 00 00 08 00
[828009.578510] blk_update_request: I/O error, dev sdb, sector 31308712 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[828009.578518] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3847029)
[828009.578520] Buffer I/O error on device dm-1, logical block 3847029
[828009.578531] sd 5:0:0:0: [sdb] tag#30 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578533] sd 5:0:0:0: [sdb] tag#30 CDB: Write(10) 2a 00 01 e0 5e 48 00 00 08 00
[828009.578534] blk_update_request: I/O error, dev sdb, sector 31481416 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[828009.578538] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3868617)
[828009.578540] Buffer I/O error on device dm-1, logical block 3868617
[828009.578544] sd 5:0:0:0: [sdb] tag#29 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578545] sd 5:0:0:0: [sdb] tag#29 CDB: Write(10) 2a 00 01 dd bf 20 00 00 08 00
[828009.578546] blk_update_request: I/O error, dev sdb, sector 31309600 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[828009.578549] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3847140)
[828009.578550] Buffer I/O error on device dm-1, logical block 3847140
[828009.578553] sd 5:0:0:0: [sdb] tag#13 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578554] sd 5:0:0:0: [sdb] tag#13 CDB: Write(10) 2a 00 01 dd d0 18 00 00 08 00
[828009.578556] blk_update_request: I/O error, dev sdb, sector 31313944 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[828009.578559] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3847683)
[828009.578560] Buffer I/O error on device dm-1, logical block 3847683
[828009.578570] sd 5:0:0:0: [sdb] tag#12 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578571] sd 5:0:0:0: [sdb] tag#12 CDB: Write(10) 2a 00 01 e0 65 90 00 00 08 00
[828009.578572] blk_update_request: I/O error, dev sdb, sector 31483280 op 0x1:(WRITE) flags 0x0 phys_seg 1 prio class 0
[828009.578576] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3868850)
[828009.578577] Buffer I/O error on device dm-1, logical block 3868850
[828009.578582] sd 5:0:0:0: [sdb] tag#2 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[828009.578583] sd 5:0:0:0: [sdb] tag#2 CDB: Write(10) 2a 00 01 dd cf f8 00 00 10 00
[828009.578584] blk_update_request: I/O error, dev sdb, sector 31313912 op 0x1:(WRITE) flags 0x0 phys_seg 2 prio class 0
[828009.578587] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3847679)
[828009.578588] Buffer I/O error on device dm-1, logical block 3847679
[828009.578592] EXT4-fs warning (device dm-1): ext4_end_bio:309: I/O error 10 writing to inode 1572874 (offset 0 size 0 starting block 3847680)
[828009.578593] Buffer I/O error on device dm-1, logical block 3847680
[828083.421275] GpuWatchdog[9783]: segfault at 0 ip 00007f0951c1827d sp 00007f094770db90 error 6 in libcef.so[7f094de92000+69a4000]
[828083.421293] Code: 00 79 09 48 8b 7d a0 e8 01 80 c1 02 41 8b 85 00 01 00 00 85 c0 0f 84 ab 00 00 00 49 8b 45 00 4c 89 ef be 01 00 00 00 ff 50 58 <c7> 04 25 00 00 00 00 37 13 00 00 c6 05 c1 a5 37 03 01 80 bd 7f ff
[828110.661767] audit: type=1107 audit(1584665249.200:1138647): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.10" mask="receive" pid=3890 label="snap.spotify.spotify" peer_pid=1396 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[828110.928912] fbcon: Taking over console
[828110.948111] Console: switching to colour frame buffer device 160x64
[828115.032600] audit: type=1107 audit(1584665253.572:1138648): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.10" mask="receive" pid=3890 label="snap.spotify.spotify" peer_pid=1396 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[828118.599720] audit: type=1326 audit(1584665257.140:1138649): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828118.599859] audit: type=1326 audit(1584665257.140:1138650): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome:gdrv0" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828118.826628] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828118.826657] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828118.827653] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828118.827721] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828118.827745] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828118.827771] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828118.827793] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828118.827815] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828118.827839] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828118.831107] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828119.616184] audit: type=1326 audit(1584665258.156:1138651): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828119.616270] audit: type=1326 audit(1584665258.156:1138652): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome:gdrv0" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828120.930906] audit: type=1326 audit(1584665259.468:1138653): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828120.930974] audit: type=1326 audit(1584665259.468:1138654): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828125.093997] audit: type=1326 audit(1584665263.632:1138655): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828125.094029] audit: type=1326 audit(1584665263.632:1138656): auid=1000 uid=1000 gid=1000 ses=3 pid=29491 comm="chrome" exe="/snap/chromium/1043/usr/lib/chromium-browser/chrome" sig=0 arch=c000003e syscall=203 compat=0 ip=0x7fc20be71b8f code=0x50000
[828125.094110] systemd-journald[697]: Failed to write entry (24 items, 738 bytes), ignoring: Read-only file system
[828125.094137] systemd-journald[697]: Failed to write entry (24 items, 738 bytes), ignoring: Read-only file system
[828125.097634] systemd-journald[697]: Failed to write entry (9 items, 454 bytes), ignoring: Read-only file system
[828125.097655] systemd-journald[697]: Failed to write entry (9 items, 454 bytes), ignoring: Read-only file system
[828125.100831] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828125.100880] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828125.100902] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828125.100921] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828125.100941] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828125.100959] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828180.451459] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828180.451489] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828180.451510] systemd-journald[697]: Failed to write entry (22 items, 623 bytes), ignoring: Read-only file system
[828180.451612] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828180.451634] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828180.451655] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828180.451677] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828180.451698] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828180.451718] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828180.451739] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828185.954576] usb 3-6.1: USB disconnect, device number 42
[828185.959381] audit: type=1107 audit(1584665324.498:1138657): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceRemoved" name=":1.49" mask="receive" pid=15654 label="snap.chromium.chromium" peer_pid=1751 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[828185.962613] systemd-journald[697]: Failed to write entry (13 items, 359 bytes), ignoring: Read-only file system
[828185.962656] systemd-journald[697]: Failed to write entry (9 items, 639 bytes), ignoring: Read-only file system
[828185.962716] systemd-journald[697]: Failed to write entry (32 items, 1220 bytes), ignoring: Read-only file system
[828185.966702] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828185.966760] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828185.966788] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828185.966815] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828185.966841] systemd-journald[697]: Failed to write entry (22 items, 623 bytes), ignoring: Read-only file system
[828185.966867] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828185.966900] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828186.689004] usb 3-6.1: new low-speed USB device number 53 using xhci_hcd
[828187.504724] usb 3-6.1: New USB device found, idVendor=0463, idProduct=ffff, bcdDevice= 1.00
[828187.504726] usb 3-6.1: New USB device strings: Mfr=1, Product=2, SerialNumber=4
[828187.504727] usb 3-6.1: Product: Ellipse PRO
[828187.504728] usb 3-6.1: Manufacturer: EATON
[828191.324513] hid-generic 0003:0463:FFFF.0AB9: hiddev1,hidraw2: USB HID v1.10 Device [EATON Ellipse PRO] on usb-0000:04:00.3-6.1/input0
[828191.326821] systemd-journald[697]: Failed to write entry (12 items, 433 bytes), ignoring: Read-only file system
[828191.344129] systemd-journald[697]: Failed to write entry (23 items, 949 bytes), ignoring: Read-only file system
[828191.344185] systemd-journald[697]: Failed to write entry (23 items, 791 bytes), ignoring: Read-only file system
[828191.358238] systemd-journald[697]: Failed to write entry (23 items, 949 bytes), ignoring: Read-only file system
[828191.358362] systemd-journald[697]: Failed to write entry (23 items, 791 bytes), ignoring: Read-only file system
[828193.422178] audit: type=1107 audit(1584665331.962:1138658): pid=1387 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal" bus="system" path="/org/freedesktop/UPower" interface="org.freedesktop.UPower" member="DeviceAdded" name=":1.49" mask="receive" pid=15654 label="snap.chromium.chromium" peer_pid=1751 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[828193.422299] systemd-journald[697]: Failed to write entry (32 items, 1216 bytes), ignoring: Read-only file system
[828193.424810] systemd-journald[697]: Failed to write entry (9 items, 637 bytes), ignoring: Read-only file system
[828193.425068] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
[828193.425091] systemd-journald[697]: Failed to write entry (22 items, 753 bytes), ignoring: Read-only file system
[828193.425111] systemd-journald[697]: Failed to write entry (22 items, 647 bytes), ignoring: Read-only file system
```
OS: Ubuntu 19.10
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