I'm having a Dell Inspiron 1525. Suspend and resume were working correctly.
All of a sudden, when I click the
suspend menu option the system doesn't get suspended. Instead, it is being locked. Viewing
dmesg output reveals
[48214.876143] sky2 eth0: disabling interface [48215.844400] PM: Syncing filesystems ... done. [48215.872063] PM: Preparing system for mem sleep [48215.872070] Freezing user space processes ... (elapsed 0.00 seconds) done. [48215.873464] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. [48215.873582] PM: Entering mem sleep [48215.873597] Suspending console(s) (use no_console_suspend to debug) [48225.872091] usbhid 6-2:1.0: suspend error -5 [48225.872100] pm_op(): usb_dev_suspend+0x0/0x20 returns -5 [48225.872104] PM: Device 6-2 failed to suspend: error -5 [48225.872106] PM: Some devices failed to suspend [48225.876917] PM: resume of devices complete after 4.807 msecs [48226.076192] PM: resume devices took 0.204 seconds [48226.076203] PM: Finishing wakeup. [48226.076205] Restarting tasks ... done. [48226.388912] sky2 eth0: enabling interface [48226.390582] ADDRCONF(NETDEV_UP): eth0: link is not ready [48227.894532] sky2 eth0: Link is up at 100 Mbps, full duplex, flow control rx [48227.894999] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [48237.172073] eth1: no IPv6 routers present
usbhid 6-2:1.0: suspend error -5. Google didn't find anything useful about that.
How can I further troubleshoot this matter?