dmesg | grep -i error; dmesg | grep -i warning
[ 0.125368] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
[ 2.954602] RAS: Correctable Errors collector initialized.
[ 47.613161] EXT4-fs (sdb1): re-mounted. Opts: errors=remount-ro
[ 47.649651] random: 7 urandom warning(s) missed due to ratelimiting
[ 48.377477] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042F conflicts with OpRegion 0x0000000000000400-0x000000000000047F (\PMIO) (20170831/utaddress-247)
[ 48.377488] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170831/utaddress-247)
[ 48.377494] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170831/utaddress-247)
[ 48.377499] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20170831/utaddress-247)
error