kernel - bunnyamin/bunnix GitHub Wiki
- https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt
- https://github.com/torvalds/linux/blob/master/Documentation/admin-guide/kernel-parameters.txt
Current running kernel parameter configuration
zgrep CONFIG_NFS_FS= /proc/config.gz
| Command | Example |
|---|---|
| Kernel release |
$ uname -r -> 4.17.4-1-ARCH
|
| Error | Cause | Consequence | Remedy |
|---|---|---|---|
ACPI Error: Needed type [Reference], found [Integer] ffff909a64f14048 (20170531/exresop-103)ACPI Exception: AE_AML_OPERAND_TYPE, While resolving operands for [OpcodeName unavailable] (20170531/dswexec-461)ACPI Error: Method parse/execution failed \_PR.CPU0._PDC, AE_AML_OPERAND_TYPE (20170531/psparse-550) |
outdated BIOS, incompatibility issue |
(1) update BIOS (2) adjust kernel parameters; acpi=off may have unintended consequences, for example ASUS u500vz ch08m the keyboard ceased to function. |
|
Cannot switch tty (ctrl+alt+f[1-6]) |
Ensure user root has permission 755 on root /. |
||
EXT4-fs (sdc4): Delayed block allocation failed for inode 47189317 at logical offset 1132 with max blocks 4 with error 121EXT4-fs (sdc4): This should not happen!! Data will be lost
|
"This message means that data in memory will not be written to disk; we do not consider that grave unless the failure is silent." Ben Hutchings, email reply to Gilberto Segundo (Sat, 02 Oct 2010 00:05:32 +0100) | The corrupted inode is each time /var/log/journal/fcf64750dde34b52afe85358b303af52/system.journal and smartctl (Extended/long test) reports no errors: find / -inum <INODE> -print and delete file. |
|
kauditd_printk_skb: 10 callbacks suppressed |
Role of “kauditd_printk_skb” in linux kernel |
Disable unsolicited kernel messages except emergency (Panic):
dmesg -n 1