T61: After SUSPEND/RESUME memory stick is not assigned a drive letter

[Barry Landy]

Using version 181/182 with ACPI3.19.15 on a T61 (built in 2 slot USB2)

Suspend resume now works

However, I have an 8GB memory stick with one partition one it (created by DFSEE). On a fresh boot when I plub that in and call "refresh removable media" the drivletter requested (J) is assigned.

After SUSPEND/RESUME this no longer happens.

The relevant piece of config.sys is:

BASEDEV=USBEHCD.SYS BASEDEV=USBEHCD.SYS BASEDEV=USBUHCD.SYS BASEDEV=USBUHCD.SYS BASEDEV=USBUHCD.SYS BASEDEV=USBUHCD.SYS BASEDEV=USBUHCD.SYS BASEDEV=USBD.SYS BASEDEV=USBMSD.ADD /FLOPPIES:0 /REMOVABLES:2

[Barry Landy]

PCI.EXE reports ICH8/82801H

[abwillis]

Not sure it will fix the problem but the readme says that usbehcd must follow usbuhcd in config.sys.

[Lars Erdmann]

Please try with the 10.162 drivers and report. I am not sure if ACPI 3.19.15 properly handles suspend/resume.
Next step is to take a trace of trace codes 224 (USBUHCD.SYS) and 226 (USBEHCD.SYS). Just follow the readme.txt on how to do that. Go through a suspend/resume cycle and then save away the FORMATTED trace.

[Lars Erdmann]

Wait for ACPI.PSD version 3.20.4. It fixes a bug in APM.ADD. The bug would prevent the suspend/resume code in the HC drivers USB(U|O|E)HCD.SYS from being executed.

[Barry Landy]

Sorry for lack of earlier response: David A told me that ACPI (pre 3.20.04) was not supposed to support suspend/resume except by luck.

Please to report that with 3.20.04 and this version of USB 184 suspend resume on the T61 works apparently 100% (mouse is available after resume and even the internet connection).

(earlier USB versions may also be OK but its not worth the testing)

[Barry Landy]

Version 185: suspend/resume works fine from the suspend option on the ACPI setup icon but not using the lid close option which worked OK under the updated 184,

[Lars Erdmann]

Can you please find out if it is USBEHCD.SYS or USBUHCD.SYS that is causing this problem ?

[Barry Landy]

I tried switching one at a time and nothing helped, so I restored 184 and rebooted. Lid down -> sleep then worked. I then put 185 back one at a time and sleep on lid down STILL worked. After reboot still the same. So I have no idea what stopped the lid down working but its OK now (and I did check the lid down property in ACPI setup and nothing had changed).

[Barry Landy]

extensive attempts to reproduce this have failed. The only minor irritant I found was that if I was impatient and plugged in a memory stick before the restore completed it was likely that the stick would not be recognised until the next reboot.

I can live with that :-)