On Fri 30. May - 13:07:39, tom@xxxxxxxxxxxxx wrote: > Quoting Holger Macht <hmacht@xxxxxxx>: > >> * Differentiate between bay devices in dock stations and others: >> >> - When an ACPI_NOTIFY_EJECT_REQUEST appears, just signal uevent to >> userspace (that is when the optional eject button on a bay device is >> pressed/pulled) giving the possibility to unmount file systems and to >> clean up. Also, only send uevent in case we get an EJECT_REQUEST >> without doing anything else. In other cases, you'll get an add/remove >> event because libata attaches/detaches the device. >> >> - In case of a dock event, which in turn signals an >> ACPI_NOTIFY_EJECT_REQUEST, immediately detach the device, because it >> may already have been gone >> >> * In case of an ACPI_NOTIFY_DEVICE/BUS_CHECK, evaluate _STA to check if >> the device has been plugged or unplugged. If plugged, hotplug it, if >> unplugged, just signal event to userspace >> (initial patch by Matthew Garrett <mjg59@xxxxxxxxxxxxx>) >> >> * Call ACPI _EJ0 for detached devices > > Will this patch or the other bay/dock related patches you send in the past > days allow me to undock my laptop and still be able to suspend/resume > without locking the laptop up? And without having to run any userspace > scripts? > > My dock is not a simple port replicator, it has an USB hub and an ATA bay > in it. My tests showed that I need to 'echo 1 > /sys/.../scsi/.../eject' or > something like that before I can take the laptop out of the docking > station. If I don't do that and try to access the cdrom in the bay (or even > rescaning the scsi bus) after I have taken the laptop out of the dock it > results in a hard lockup. That in itself would not be a problem, because > it's just a simple command that I can do in an acpid script. But far worse > is that even if I do that, the computer locks up when I resume from > suspend. I run 2.6.24.7 which locks up every time I resume. In recent > versions from git it has somehow improved, there are situations where it > doesn't lock up, but there are still a few left where it does (I don't > remember the exact actions/commands I have to take). Which kernel versions did you already try? But yes, those patches will most likely help. But not sure about the resume issues... Regards, Holger -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
