{{tag>Brouillon Pb Matériel Disque}}

= Pb LIBATA NCQ SSD TRIM

Voir :
* https://ata.wiki.kernel.org/index.php/Libata_error_messages
* https://ata.wiki.kernel.org/index.php/Libata_FAQ
* https://lime-technology.com/wiki/The_Analysis_of_Drive_Issues

Voir aussi :
* https://doc.ubuntu-fr.org/ncq_native_command_queuing
* https://doc.ubuntu-fr.org/ssd_solid_state_drive
* https://autonomiste.fr/installer-ubuntu-18-04-sur-hdd-ssd-utilisant-bcache/

Kernel parameter
<code ini>
libata.force=noncq
libata.force=noncq,3.0Gbps
libata.noacpi
</code>


<code ->
# cat /sys/block/sda/queue/scheduler
noop deadline [cfq]
</code>

Source : https://www.systutorials.com/241496/whats-wrong-with-the-messages-like-unrecovdata-10b8b-badcrc-and-failed-command-read-fpdma-queued-on-linux/
<code ->
# ls -l /sys/class/block/ | grep ata4
lrwxrwxrwx 1 root root 0 May  5 15:04 sdd -> ../../devices/pci0000:00/0000:00:1f.2/ata4/host3/target3:0:0/3:0:0:0/block/sdd
lrwxrwxrwx 1 root root 0 May  5 15:04 sdd1 -> ../../devices/pci0000:00/0000:00:1f.2/ata4/host3/target3:0:0/3:0:0:0/block/sdd/sdd1
</code>

== Pb

<code - /var/log/kern.log>
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594110] ata1.00: exception Emask 0x10 SAct 0x7fe00fff SErr 0x800100 action 0x6 frozen
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594154] ata1.00: irq_stat 0x08000000, interface fatal error
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594182] ata1: SError: { UnrecovData LinkSeq }
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594206] ata1.00: failed command: WRITE FPDMA QUEUED
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594232] ata1.00: cmd 61/08:00:60:10:ee/00:00:0b:00:00/40 tag 0 ncq dma 4096 out
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594232]          res 40/00:5c:f0:50:87/00:00:0d:00:00/40 Emask 0x10 (ATA bus error)
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594297] ata1.00: status: { DRDY }
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594313] ata1.00: failed command: WRITE FPDMA QUEUED
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594339] ata1.00: cmd 61/08:08:08:20:ee/00:00:0b:00:00/40 tag 1 ncq dma 4096 out
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594339]          res 40/00:5c:f0:50:87/00:00:0d:00:00/40 Emask 0x10 (ATA bus error)
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594404] ata1.00: status: { DRDY }
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594420] ata1.00: failed command: WRITE FPDMA QUEUED
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594446] ata1.00: cmd 61/08:10:58:10:2a/00:00:0d:00:00/40 tag 2 ncq dma 4096 out
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594446]          res 40/00:5c:f0:50:87/00:00:0d:00:00/40 Emask 0x10 (ATA bus error)
2018-08-22T12:21:26.568 pc01 err kernel:[149221.594511] ata1.00: status: { DRDY }
</code>

<code - /var/log/kern.log>
2018-08-22T12:21:26.608 pc01 err kernel:[149221.638355] ata1.00: failed command: WRITE FPDMA QUEUED
2018-08-22T12:21:26.612 pc01 err kernel:[149221.639183] ata1.00: cmd 61/08:e8:80:10:ea/00:00:0b:00:00/40 tag 29 ncq dma 4096 out
2018-08-22T12:21:26.612 pc01 err kernel:[149221.639183]          res 40/00:5c:f0:50:87/00:00:0d:00:00/40 Emask 0x10 (ATA bus error)
2018-08-22T12:21:26.612 pc01 err kernel:[149221.640861] ata1.00: status: { DRDY }
2018-08-22T12:21:26.612 pc01 err kernel:[149221.641699] ata1.00: failed command: WRITE FPDMA QUEUED
2018-08-22T12:21:26.612 pc01 err kernel:[149221.642567] ata1.00: cmd 61/08:f0:10:11:eb/00:00:0b:00:00/40 tag 30 ncq dma 4096 out
2018-08-22T12:21:26.612 pc01 err kernel:[149221.642567]          res 40/00:5c:f0:50:87/00:00:0d:00:00/40 Emask 0x10 (ATA bus error)
2018-08-22T12:21:26.616 pc01 err kernel:[149221.644228] ata1.00: status: { DRDY }
2018-08-22T12:21:26.616 pc01 info kernel:[149221.645070] ata1: hard resetting link
2018-08-22T12:21:26.932 pc01 info kernel:[149221.959364] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
2018-08-22T12:21:26.932 pc01 info kernel:[149221.960960] ata1.00: configured for UDMA/133
2018-08-22T12:21:26.932 pc01 info kernel:[149221.961024] ata1: EH complete
</code>