Hi,
The subject line says it all. When I suspend/resume with a USB
mouse, the mouse device gets detached from /dev/input/mouse0 and
reattached to /dev/input/mouse1. Needless to say, this confuses X
tremendously.
Here's the log. It looks as though during the suspend, usb.c detects
a disconnect, immediately followed by a reconnect. It then gives up
on the device.
May 6 09:36:47 pesto cardmgr[1190]: executing: './network suspend eth0'
May 6 09:36:48 pesto kernel: usb.c: USB disconnect on device 2
May 6 09:36:48 pesto kernel: usb.c: USB new device connect, assigned device number 2
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 2, frame# 3
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: TD @ c340b8a0/0340B8A0, MaxLen=07
DT0 EP=0 Dev=0 PID=(SETUP) buf=028c6960
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Len=07 e0 SPD LS Stalled CRC/Timeo
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Link points to TD @ 0340b920,
Breadth first
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 2, frame# 7
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: TD @ c340b860/0340B860, MaxLen=07
DT0 EP=0 Dev=0 PID=(SETUP) buf=028c6960
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Len=07 e0 SPD LS Stalled CRC/Timeo
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Link points to TD @ 0340bae0,
Breadth first
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 2, frame# 11
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: TD @ c340baa0/0340BAA0, MaxLen=07
DT0 EP=0 Dev=0 PID=(SETUP) buf=028c6960
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Len=07 e0 SPD LS Stalled CRC/Timeo
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Link points to TD @ 0340b920,
Breadth first
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 2, frame# 15
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: TD @ c340b7a0/0340B7A0, MaxLen=07
DT0 EP=0 Dev=0 PID=(SETUP) buf=028c6960
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Len=07 e0 SPD LS Stalled CRC/Timeo
May 6 09:37:00 pesto apmd[157]: Resume after 00:00:13 (100% 3:00)
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Link points to TD @ 0340bae0,
Breadth first
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 2, frame# 19
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: TD @ c340b8a0/0340B8A0, MaxLen=07
DT0 EP=0 Dev=0 PID=(SETUP) buf=028c6960
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Len=07 e0 SPD LS Stalled CRC/Timeo
May 6 09:37:00 pesto kernel: usb-uhci-debug.h: Link points to TD @ 0340b920,
Breadth first
May 6 09:37:00 pesto kernel: usb.c: USB device not responding, giving up (error=-84)
May 6 09:37:00 pesto kernel: usb.c: USB disconnect on device -1
May 6 09:37:00 pesto cardmgr[1190]: executing: './network resume eth0'
May 6 09:37:00 pesto kernel: usb.c: USB new device connect, assigned device number 2
May 6 09:37:00 pesto kernel: usb-uhci.c: interrupt, status 3, frame# 908
May 6 09:37:00 pesto kernel: mouse1: PS/2 mouse device for input0
May 6 09:37:00 pesto kernel: input0: USB HIDBP mouse
I'm using standard APM. Oddly enough, the old development USB driver
in the 2.2.14 kernel worked quite well across suspend/resume. I got
greedy and wanted to use the scroll wheel in the intellimouse!
Lincoln
--
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Lincoln D. Stein Cold Spring Harbor Laboratory
[EMAIL PROTECTED] Cold Spring Harbor, NY
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