Hello, On Mon, Jun 06, 2016 at 04:56:59PM +0530, Navin P.S wrote: > Some more things to note from 4.2 dmesg it prints not sure if it is relevant. > > [ 0.716610] ahci 0000:00:1f.2: version 3.0 > [ 0.716620] ahci 0000:00:1f.2: can't find IRQ for PCI INT B; > probably buggy MP table > > [ 0.735267] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 6 > Gbps 0x1 impl SATA mode > > [ 0.746033] ata1: SATA max UDMA/133 abar m2048@0xb5618000 port > 0xb5618100 irq 44 > > [ 1.068001] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) > > [ 1.134029] ata1.00: ATA-8: ST1000LM014-1EJ164-SSHD-8GB, LIV6, max UDMA/133 > [ 1.134030] ata1.00: 1953525168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA > [ 1.178470] ata1.00: configured for UDMA/133 > [ 1.178620] scsi 0:0:0:0: Direct-Access ATA > ST1000LM014-1EJ1 LIV6 PQ: 0 ANSI: 5 > [ 1.178853] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: > (1.00 TB/931 GiB) > [ 1.178855] sd 0:0:0:0: [sda] 4096-byte physical blocks > [ 1.178879] sd 0:0:0:0: [sda] Write Protect is off > [ 1.178881] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 > > > where as 4.6 and later doesn't print these messages.dmesg | grep > ata[0-4] gives no output. Can you please cc full dmesg after boot on both 4.2 and 4.6? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html