Zhang Rui wrote: > On Sat, 2008-08-30 at 15:35 -0700, Steven King wrote: >> While 2.6.26 made my x61t work with the x6ultrabase, I find that once I have >> docked the x61t, I can only resume after a suspend2ram if the x61t is docked. >> That is: >> >> Never have been docked: suspend & resume works fine. >> Docked: suspend & resume works fine. >> Docked, undocked, re-docked: suspend & resume works fine. >> >> Docked, then undocked: never finishes resuming (the disk seems to spin up and >> the sleep led goes off, but the system doesnt seem to get any further). >> >> Any suggestions? >> > I have an acpidump of a X61, and it may also send notifications in _STA > method. > Please please try the following patch and see if it helps. > and it would be great if you can attach the acpidump of your laptop. It has always been a mystery to me how the docking station works. It never worked for me correctly, in some situations, depending on how I docked/undocked the notebook, it would hang during resume. I brought the problem up in linux-acpi after I bought my X61 and the X6 UltraBase, but no patch resulted so I simply got used to shutting down my notebook instead of putting it to sleep. There is one question though that was never answered: Is there any interaction needed from the userspace when docking/undocking? Something that the acpi daemon would have to do in response to a dock/undock event? I'm thinking about $ echo 1 > /sys/bus/scsi/devices/3\:0\:0\:0/rescan or something like that. To tell the kernel that some devices may have disappeared and that it shouldn't try to bring them up when resuming from sleep. I would expect that ACPI would take care of that (it certainly removes all USB devices and detaches ata4 (which is the bay in the docking station). Anyway, I tried your patch (on top of 2.6.26.3). If I start up the notebook in the dock, take it out, put it to sleep, then it hangs during resume (all I see on the screen is the cursor in the top left corner). That behavior is consistent with my earlier experience, that is: If the notebook was _ever_ running in the docking station, it won't resume outside of it. No matter whether I start it outside the dock and then put it into the dock, or start it up in the dock - once the notebook has been docked, suspend/resume outside of the dock won't work anymore. My wild uneducated guess is that the kernel doesn't remove/disable some devices when undocking (the bay device?) and when it tries to resume without them present it will hang. Attached is my acpidump, I hope it helps. tom
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acpi-dump
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