Comment 7 for bug 254363

The old suspend problem is back after a week:

[ 710.516027] PM: Preparing system for mem sleep
[ 710.516029] Freezing user space processes ... (elapsed 0.00 seconds) done.
[ 710.516534] Freezing remaining freezable tasks ... (elapsed 0.09 seconds) done.
[ 710.612058] PM: Entering mem sleep
[ 710.612059] Suspending console(s)
[ 710.612089] sd 4:0:0:0: [sdb] Synchronizing SCSI cache
[ 710.612252] sd 4:0:0:0: [sdb] Stopping disk
[ 711.078923] sd 2:0:0:0: [sda] Synchronizing SCSI cache
[ 711.078972] sd 2:0:0:0: [sda] Stopping disk
[ 711.094448] hub 1-2.1:1.0: suspend error -16
[ 711.094450] suspend_device(): usb_suspend+0x0/0x30 [usbcore]() returns -16
[ 711.094480] Could not suspend device 1-2.1: error -16
[ 711.150746] sd 2:0:0:0: [sda] Starting disk
[ 711.875707] sd 4:0:0:0: [sdb] Starting disk
[ 714.202728] Some devices failed to suspend
[ 714.203067] PM: Finishing wakeup.
[ 714.203068] Restarting tasks ... done.
[ 714.302269] r8169 Gigabit Ethernet driver 2.2LK loaded
[ 714.302295] ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 18 (level, low) -> IRQ 16
[ 714.302311] PCI: Setting latency timer of device 0000:02:00.0 to 64
[ 714.302770] eth0: RTL8168c/8111c at 0xf8e5e000, 00:1f:d0:56:bd:8b, XID 3c4000c0 IRQ 222
[ 714.316580] r8169: eth0: link down
[ 714.316870] r8169: eth0: link down
[ 714.317669] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 715.940098] r8169: eth0: link up
[ 715.941238] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready

TIA