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canelon3@debtest:~$ dmesg | grep -A8 ', max U'
[ 7.573888] ata1.00: ATA-8: SAMSUNG HM160HI, HH100-15, max UDMA7
[ 7.573891] ata1.00: 312581808 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
[ 7.576913] ata1.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
[ 7.577104] ata1.00: ACPI cmd ef/10:01:00:00:00:a0 (SET FEATURES) rejected by device (Stat=0x51 Err=0x04)
[ 7.577108] ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
[ 7.577298] ata1.00: ACPI cmd ef/10:04:00:00:00:a0 (SET FEATURES) rejected by device (Stat=0x51 Err=0x04)
[ 7.577490] ata1.00: ACPI cmd ef/10:05:00:00:00:a0 (SET FEATURES) rejected by device (Stat=0x51 Err=0x04)
[ 7.581136] ata1.00: configured for UDMA/133
[ 7.581267] scsi 0:0:0:0: Direct-Access ATA SAMSUNG HM160HI 0-15 PQ: 0 ANSI: 5
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[ 8.431413] ata5.00: ATAPI: TSSTcorp CDDVDW TS-L633M, 0200, max UDMA/100
[ 8.450902] ata5.00: ACPI cmd 00/00:00:00:00:00:a0 (NOP) rejected by device (Stat=0x51 Err=0x04)
[ 8.451191] ata5.00: ACPI cmd ef/10:01:00:00:00:a0 (SET FEATURES) succeeded
[ 8.451470] ata5.00: ACPI cmd ef/10:02:00:00:00:a0 (SET FEATURES) succeeded
[ 8.451473] ata5.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
[ 8.451751] ata5.00: ACPI cmd ef/10:04:00:00:00:a0 (SET FEATURES) succeeded
[ 8.469430] ata5.00: configured for UDMA/100
[ 8.472023] scsi 4:0:0:0: CD-ROM TSSTcorp CDDVDW TS-L633M 0200 PQ: 0 ANSI: 5
[ 8.800023] ata6: SATA link down (SStatus 0 SControl 300)
canelon3@debtest:~$
ata5.00 is the dvd reader/writer. it works very bad. barely can read anything and clunks a lot. i never use it and use an external usb dvd/rw
should i replace the hard drive?
may be related to this that sometimes, not very often, the system hangs for a while, may be a minute, may be three.... The GUI gets frozen for some time.