AHCI problem

Steve O'Hara-Smith steve at sohara.org
Sun Aug 29 03:09:45 PDT 2010


	Hi,

	I switched my BIOS (Asus M4A78L-M) to use AHCI and ran under AHCI
but I've had to switch back to NATA because after a day or two of light use
I start getting an endless stream of these messages in the log
filling /var (1GB) rapidly, there's no sign of trouble using NATA.

Aug 26 14:36:53 df1 kernel: ahci0.0: Transient Errors: 40<PCS>
Aug 26 14:36:53 df1 kernel: ahci0.0: Failing all commands

	So far the only way I've found to stop it is to reboot, after which
all is fine for a day or two. What is this most likely to be and how can I
find out more ?

-- 
Steve O'Hara-Smith                          |   Directable Mirror Arrays
C:>WIN                                      | A better way to focus the sun
The computer obeys and wins.                |    licences available see
You lose and Bill collects.                 |    http://www.sohara.org/





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