Re: Laptop is napping

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Geoffrey Leach wrote:
> My new ASUS laptop periodically takes a 30 second or so nap. The disk
> diagnostics show no problem, and its running on AC. Here's a snip from
> the log.  Suggestions would be appreciated.
> 
> Mar 26 09:49:47 mtranch-mobile kernel: ata2.01: exception Emask 0x0 SAct
> 0x0 SErr 0x0 action 0x2 frozen
> Mar 26 09:49:47 mtranch-mobile kernel: ata2.01: (BMDMA stat 0x64)
> Mar 26 09:49:47 mtranch-mobile kernel: ata2.01: tag 0 cmd 0xa0 Emask 0x4
> stat 0x40 err 0x0 (timeout)
> Mar 26 09:49:54 mtranch-mobile kernel: ata2: port is slow to respond,
> please be patient (Status 0xd0)
> Mar 26 09:50:17 mtranch-mobile kernel: ata2: port failed to respond (30
> secs, Status 0xd0)
> Mar 26 09:50:17 mtranch-mobile kernel: ata2: soft resetting port
> Mar 26 09:50:18 mtranch-mobile kernel: ata2.00: configured for UDMA/100
> Mar 26 09:50:18 mtranch-mobile kernel: ata2.01: configured for UDMA/33
> Mar 26 09:50:18 mtranch-mobile kernel: ata2: EH complete
> Mar 26 09:50:18 mtranch-mobile kernel: SCSI device sda: 195371568
> 512-byte hdwr sectors (100030 MB)
> Mar 26 09:50:18 mtranch-mobile kernel: sda: Write Protect is off
> Mar 26 09:50:18 mtranch-mobile kernel: SCSI device sda: drive cache:
> write back
> Mar 26 09:50:18 mtranch-mobile kernel: SCSI device sda: 195371568
> 512-byte hdwr sectors (100030 MB)
> Mar 26 09:50:18 mtranch-mobile kernel: sda: Write Protect is off
> Mar 26 09:50:18 mtranch-mobile kernel: SCSI device sda: drive cache:
> write back
> Mar 26 10:00:07 mtranch-mobile ntpd[2974]: synchronized to
> 192.83.249.31, stratum 2
> 
What does "hdparm -I /dev/sda" show? It sounds like the drive may
have power management enabled, and is spinning down.

You can try running "hdparm -B 255 /dev/hda" and see if that helps.
I am not sure if it is supported on SATA drives.

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!


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