Red Hat Bugzilla – Bug 448381
Kernel is unable to initialise ULI SATA controller in AHCI mode
Last modified: 2013-07-02 22:35:34 EDT
Description of problem:
It looks like sata_uli is broken in 2.6.24 kernels. I have Asrock 755Twins-HDTV
motherboard with ULI south bridge. It's possible to set controller to AHCI or
RAID mode in BIOS. If mode is set to AHCI, FC9 kernel is unable to detect SATA
HDD. If mode is set to RAID, it's possible to use SATA HDD but in RAID mode it's
impossible to boot from SATA CDROM and NCQ doesnt't work. RHEL5 kernel is OK in
both modes: AHCI and SATA.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Set SATA mode to AHCI on Asrock 755Twins-HDTV motherboard
2. Boot FC9 from CDROM or IDE drive
All SATA devices are not available
SATA devices must be available
Boot log will be attached.
Created attachment 306658 [details]
boot log with sata initialisation errors (ahci mode)
Created attachment 306659 [details]
Boot log with sata_uli in RAID mode
You can see in this log that SATA HWW WDC3200 was found successfully.
in AHCI mode:
kernel: ahci 0000:00:1f.1: controller reset failed (0x80000001)
kernel: ACPI: PCI interrupt for device 0000:00:1f.1 disabled
kernel: ahci: probe of 0000:00:1f.1 failed with error -5
This device is not supported by ahci module and it should be blacklisted for ahci. ahci is being loaded according to mask:
But it must not be loaded at all. This device is supported by sata_uli:
because it doesnt't change device id in RAID/AHCI mode, only device class. Please remove wildcard from ahci module or blacklist device 10B9:5287 because it works with sata_uli only.
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