I observed the desktop suspend will bring down network
interfaces(/usr/lib/pm-utils/sleep.d/55NetworkManager), so I bring down
ethernet manually with: ifconfig eth4 down, then did pm-suspend. The
resuming is ok.(unplug the ethernet cable also does the trick)
By checking pm-suspend.log.desktop and pm-suspend.log.vt, there's slightly
difference.
--- pm-suspend.log.vt
/usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend:
Selected interface 'wlan3'
OK
--- pm-suspend.log.desktop
/usr/lib/pm-utils/sleep.d/55NetworkManager suspend suspend: success.
Running hook /usr/lib/pm-utils/sleep.d/60_wpa_supplicant suspend suspend:
Failed to connect to wpa_supplicant - wpa_ctrl_open: No such file or directory
-----------------
No matter run pm-suspend manually or run from desktop, pm-suspend is called,
but I think there's still some difference which may make the system wake up
unsuccessfully.
----------------
Tested Natty full installation, both desktop and running pm-suspend directly
are ok.
---
The ethernet controller information.
03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC250 PCI Express
Gigabit Ethernet Controller [197b:0250] (rev 03)
Subsystem: ASUSTeK Computer Inc. Device [1043:8429]
Flags: bus master, fast devsel, latency 0, IRQ 46
Memory at fbffc000 (32-bit, non-prefetchable) [size=16K]
I/O ports at ec00 [size=128]
I/O ports at e800 [size=256]
Capabilities: [68] Power Management version 3
Capabilities: [50] Express Legacy Endpoint, MSI 00
Capabilities: [40] MSI-X: Enable- Count=8 Masked-
Capabilities: [70] MSI: Enable+ Count=1/8 Maskable+ 64bit+
Kernel driver in use: jme
Kernel modules: jme
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https://bugs.launchpad.net/bugs/907188
Title:
Asus EB1007 can't wake up from suspend when suspended using pm-suspend
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