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astra_amit
14-Mar-2018, 09:27
Hi Experts,

I am recently started to see the following messages in /var/log/messages and this is only printed whenever the server boots up after reboot. This is a production node and things are working pretty fine. Not sure why suddenly this log started to print after server reboots..

SUSe version
NAME="SLES"
VERSION="12"
VERSION_ID="12"
PRETTY_NAME="SUSE Linux Enterprise Server 12"
ID="sles"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:suse:sles:12"


proNode:/var/log # grep -i SATA messages-20180216
2018-02-15T03:37:59.582349-05:00 proNode kernel: [ 18.932764] ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 Gbps 0x3f impl SATA mode
2018-02-15T03:37:59.582357-05:00 proNode kernel: [ 18.975786] ata1: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8100 irq 74
2018-02-15T03:37:59.582358-05:00 proNode kernel: [ 18.975792] ata2: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8180 irq 75
2018-02-15T03:37:59.582359-05:00 proNode kernel: [ 18.975800] ata3: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8200 irq 76
2018-02-15T03:37:59.582359-05:00 proNode kernel: [ 18.975806] ata4: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8280 irq 77
2018-02-15T03:37:59.582360-05:00 proNode kernel: [ 18.975813] ata5: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8300 irq 78
2018-02-15T03:37:59.582437-05:00 proNode kernel: [ 18.975819] ata6: SATA max UDMA/133 abar m2048@0xfabd8000 port 0xfabd8380 irq 79
2018-02-15T03:37:59.582467-05:00 proNode kernel: [ 19.294378] ata1: SATA link down (SStatus 0 SControl 300)
2018-02-15T03:37:59.582474-05:00 proNode kernel: [ 19.614199] ata2: SATA link down (SStatus 0 SControl 300)
2018-02-15T03:37:59.582475-05:00 proNode kernel: [ 19.934022] ata3: SATA link down (SStatus 0 SControl 300)
2018-02-15T03:37:59.582487-05:00 proNode kernel: [ 20.253799] ata4: SATA link down (SStatus 0 SControl 300)
2018-02-15T03:37:59.582487-05:00 proNode kernel: [ 20.573669] ata5: SATA link down (SStatus 0 SControl 300)
2018-02-15T03:37:59.582488-05:00 proNode kernel: [ 20.893492] ata6: SATA link down (SStatus 0 SControl 300)
akron-supl-chassis-0-gmpc-0:/var/log # cat /proc/sys/kernel/tainted
0

Any insight will be really helpful. Thanks in advance!

Br,
Amit

Automatic Reply
19-Mar-2018, 05:30
astra,

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jmozdzen
22-Mar-2018, 18:07
Hi Amit,

is there anything attached to those SATA ports? If not, "link down" seems reasonable.

Have these messages only recently appeared on reboot on this server, without any other change? Or have you just stumbled across them and wonder what it's about?

Regards,
J