On EH entrance, the device is not in quiescent state. Audio DSP] on usb Open Source Consulting Domain Registration. Post as a guest Name. This can go on as many times as necessary as long as there is no loop in the inheritance chain. However, the booting doesn’t proceed. This enables slave link handling on the port.

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SATA: what linux kernel drivers are needed for basic support? – Unix & Linux Stack Exchange

Look up physical link which dev is attached to. Acquire EH ownership for ap. See Problem with non-ThinkPad hard disks.

More info would be greatly appreciated. Convert T little-endian field representation into T big-endian field representation.

We probe for combined mode sighand then hand over control to libata, for it to do the rest. Resetting host controller is recommended. If EH is scattered over several places, each affected callbacks should perform its part of error handling.

libata (SATA) driver update

Thanks for the confirmation, this is quite the picture that I had in mind: Indicate to the mid and upper layers that an ATA command should be retried. Thia is fixed by later versions of suspend2, or by deleting the libata-rolluprc3. CentOS at the time of this writing, but some others over the years too Negative errno if SCR registers are inaccessible.


If offset is ljbata or positive, only name and offsetted address is appended. Unless the disk is one of the few approved disks listed inside the BIOS, you will get an BIOS error during system boot, and the disk may operate unreliably.

You need the driver to see the module: I think the kernel should be able to figure out the minimal dependencies itself in menuconfig: Any fluctuations should lead you to suspect the PSU.

Return a textual description of the given command, or NULL if the command is not known. 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.

Fast drain ensures that EH kicks in in timely manner.

libATA Developer’s Guide — The Linux Kernel documentation

Note that the device might have been reset more than once using different reset methods before postreset is invoked. Experiment with the parameters “burnfree” and “dev”.

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. Abort and freeze ap. Some controllers need special handling and have custom tuning rules, typically raid controllers that use ATA commands but do not actually do drive timing.


PCI layer indicates to libata via this hook that hot-unplug or module unload event has occurred. If the return value of the callback is not zero.

Having trouble installing a piece of hardware? After four months, it is finally solved! If you have an old kernel and get some warnings about spurious NCQ completions, you can safely ignore them.

This hook should not be used to replace the standard controller tuning logic when a controller has quirks. Also, the fact that you already lost your onboard sata controller may be an indication larger motherboard issues; check for bulging capacitors.

Return -1 if no iordy mode is available. Always reconfiguring needed parameters after reset is required for robustness.