Re: STANDBY IMMEDIATE failed on NVIDIA MCP5x controllers when system suspend

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On Tue, 12 Mar 2013, Aaron Lu wrote:

> So ata_host_controller waits for all of the ata_ports, and the ata_port
> waits for both scsi_host and ata_link. scsi_host waits for scsi_target,
> and scsi_target waits for scsi_device. So if scsi_device is not done,
> ata_port will not start. Doesn't look like a problem to me.
> 
> And from the log:
> https://bugzilla.kernel.org/attachment.cgi?id=95101
> It also looks like the order is correct.

You could compare the PM debugging logs for an async suspend and a 
synchronous suspend.  There might be an obvious difference in the 
ordering that would explain the problem.

Alan Stern

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