I’m having the same issue, and so is a co-worker who runs pretty much the same setup. Thomas — thomas My most recent working Ubuntu version was 6. As before the mainline kernel can be found at the URL below:. It’s possible that these speeds are normal they’re certainly quick enough that this isn’t as big an issue as it was , though the fact that UDMA still seems to be disabled on two drives makes me think something is still not working as it should. I’ll give the Debian distribution kernel a try when I get around to it bit busy atm , after all there’s 2.

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The only way to get working is by using the ide layer – without DMA of course. After upgrading from 2.

This is such an annoying ivh7 Any other suggestions? LFS is a project that provides you with the steps necessary to build your own custom Linux system.

I’m using jaunty 64 bit. This seemed to be resolved in Tribe 3 beta at least cant liunx the kernel version but since the last few kernel updates I am back to the old transfer speeds again so I am going to find the old kernel that worked and test it.

SATA hardware features – ata Wiki

Can you please elaborate what information I need to check in lsmod? Navigation menu Personal tools Log in. I have referred how to find the driver module associated with a device on Linux to find the device driver for the SATA device.


I have what Saya think is the same problem, and I think I’ve solved it by installing the mainline ljnux. And here’s some more info about the difference between the two modes from the Crucial forums: On a different note, CPU throttling broke on my system with the new kernel.

Intel 82801GB/GR/GH (ICH7 Family) SATA AHCI Controller driver for linux-2.6.9

When turned on again, it boots normally. Another thing you can do is to check what kernel module is being used for your device, in your case run:. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. During large file copy CPU load goes to the roof and transfer rate drops down. Sign up using Facebook. And here’s some more info about the difference between the two modes from the Crucial forums:.

This meant I had to tune down to IDE mode. Gremlyn1 gremlyn1 wrote on Last edited by sparc86; at Each controller needed a different driver, this was a PITA. I’m having the same issue, and so is a co-worker who runs pretty much the same setup. For more on this, please read the official Ubuntu documentation: Of course, I don’t really know what speeds I’m supposed to get on these drives – I have never paid much attention to copy speed until this problem occured.


Bug # “Slow SATA performance” : Bugs : linux package : Ubuntu

Please let us know your results. The driver sd is responsible for handling the block device, while the driver ahci is responsible for handling the Llinux host adapter. Sitsofe Wheeler sitsofe wrote on If the mainline kernel does not fix this bug, please add the following tags: I also tried adding various params to fstab noatime, etc and changing the scheduler, to little effect. Do a “dmesg grep DMA” and you’ll see.

Use udevadm info as described in the other answer to the link you mentioned. Since I don’t have a machine with one of the three chipsets anyone?

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. The problem for me seems to be the hard-drive itself.

You’ll find my patch at http: