Dear Linux folks,
On a Dell Precision 3620 with
$ lspci -nn -s 00:17.0
00:17.0 SATA controller [0106]: Intel Corporation
Q170/Q150/B150/H170/H110/Z170/CM236 Chipset SATA Controller [AHCI Mode]
[8086:a102] (rev 31)
Linux warns about the ATA device and Samsung SSD 870 EVO 1TB.
$ lsblk -o name,model,serial,rev -S
NAME MODEL SERIAL REV
sda Samsung SSD 870 EVO 1TB S6PUNL0T600648F 2B6Q
$ dmesg --level warn
[ 1.688558] Transient Scheduler Attacks: MDS CPU bug present and
SMT on, data leak possible. See
https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for
more details.
[ 1.690195] Transient Scheduler Attacks: MMIO Stale Data CPU bug
present and SMT on, data leak possible. See
https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html
for more details.
[ 3.165214] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[ 3.254639] ata1.00: Model 'Samsung SSD 870 EVO 1TB', rev
'SVT02B6Q', applying quirks: noncqtrim zeroaftertrim noncqonati nolpmonati
[ 3.266623] ata1.00: supports DRM functions and may not be fully
accessible
[ 3.304432] ata1.00: supports DRM functions and may not be fully
accessible
[ 4.195869] wmi_bus wmi_bus-PNP0C14:01: [Firmware Bug]: WQBC
data block query control method not found
[ 651.061135] systemd-journald[164]: File
/var/log/journal/95790226b8d0779f4b4797314ca986d4/user-8578.journal
corrupted or uncleanly shut down, renaming and replacing.
$ dmesg | grep -e 'Linux version' -e 'DMI: Dell' -e lpm
[ 0.000000] Linux version 6.12.40.mx64.484
(root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc (GCC) 12.5.0, GNU ld (GNU
Binutils) 2.41) #1 SMP PREEMPT_DYNAMIC Thu Jul 24 15:14:16 CEST 2025
[ 0.000000] DMI: Dell Inc. Precision Tower 3620/0MWYPT, BIOS
2.23.0 09/14/2022
[ 2.892973] ata1: SATA max UDMA/133 abar m2048@0xef14b000 port
0xef14b100 irq 124 lpm-pol 0
[ 2.901327] ata2: SATA max UDMA/133 abar m2048@0xef14b000 port
0xef14b180 irq 124 lpm-pol 0
[ 2.909685] ata3: SATA max UDMA/133 abar m2048@0xef14b000 port
0xef14b200 irq 124 lpm-pol 0
[ 2.918042] ata4: SATA max UDMA/133 abar m2048@0xef14b000 port
0xef14b280 irq 124 lpm-pol 0
[ 3.254639] ata1.00: Model 'Samsung SSD 870 EVO 1TB', rev
'SVT02B6Q', applying quirks: noncqtrim zeroaftertrim noncqonati nolpmonati
I wonder why the DRM warning is logged twice, and why the LPM policy is
0. (It’s a desktop system, but still.)
Is there anything I can do about this?
Kind regards,
Paul