Messages in this thread | | | Date | Fri, 16 Mar 2007 07:56:33 -0600 | From | Robert Hancock <> | Subject | Re: [BUG 2.6.21-rc3-git9] SATA NCQ failure with Samsum HD401LJ |
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(linux-ide cc'ed)
Max Kellermann wrote: > Hi, > > I have been trying to upgrade my 2.6.19 kernel for a while now, > without success. All kernel versions since 2.6.20 failed with a > timeout while trying to write to my SATA hard disk. After I wait for > a while (during which all I/O to the hard disk blocks), the kernel > message "NCQ disabled due to excessive errors" appears, and the system > seems to work perfectly. > > My system is an Athlon64 X2 on an Asus A8N-Premium. I'm using the > sata_nv driver for the on-board SATA controller. My only hard disk is > a Samsum HD401LJ (400 GB). > > The kernel is build statically, and the only module is nvidia.ko. If > someone believes it may make a difference, I can try the kernel > without the proprietary module. > > Please see the kernel config and dmesg attached to this email. > > I don't know the libata subsystem well, but I suspect my hard drive > has to be added to the NCQ blacklist. > > Max
This does indeed look like a drive side issue to me (the controller is reporting CPBs with response flags 2 which as far as I can tell indicates it's still waiting for the drive to complete the request).
-- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@nospamshaw.ca Home Page: http://www.roberthancock.com/
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