lSalut
les erreurs tu les as en mode texte par journalctl -xb -p err --no-pager
root@debian:/# journalctl -xb -p err --no-pager
-- Logs begin at Thu 2017-10-19 12:29:42 CEST, end at Thu 2017-10-19 12:56:58 CEST. --
oct. 19 12:29:42 debian kernel: cgroup: cgroup2: unknown option "nsdelegate"
oct. 19 12:29:44 debian kernel: kvm: disabled by bios
oct. 19 12:29:45 debian kernel: ACPI Error: Field [D128] at 1040 exceeds Buffer [NULL] size 160 (bits) (20160831/dsopcode-236)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.HWMC] (Node ffffa02f5b4c5e10), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.WMAD] (Node ffffa02f5b4c5190), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Field [D128] at 1040 exceeds Buffer [NULL] size 160 (bits) (20160831/dsopcode-236)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.HWMC] (Node ffffa02f5b4c5e10), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.WMAD] (Node ffffa02f5b4c5190), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Field [D128] at 1040 exceeds Buffer [NULL] size 160 (bits) (20160831/dsopcode-236)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.HWMC] (Node ffffa02f5b4c5e10), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.WMAD] (Node ffffa02f5b4c5190), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Field [D128] at 1040 exceeds Buffer [NULL] size 160 (bits) (20160831/dsopcode-236)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.HWMC] (Node ffffa02f5b4c5e10), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed [\_SB.WMID.WMAD] (Node ffffa02f5b4c5190), AE_AML_BUFFER_LIMIT (20160831/psparse-543)
oct. 19 12:29:45 debian kernel: ACPI Error: Field [D128] at 1040 exceeds Buffer [NULL] size 160 (bits) (20160831/dsopcode-236)
oct. 19 12:29:45 debian kernel: ACPI Error: Method parse/execution failed
root@debian:/#
ACPI Error on est nombreux à les voir, c’est le noyau qui est trop bavard , rien de grave
Pour voir qui fait ronfler le ventilo
htop