I studied the kern logs before and juste after the problem occured (see attachment). All the suspend phases are strictly identical. The resume sequences are a bit different, but nothing obvious (at least for me) besides some slightly modified timing.
$ diff kern.3b.resume kern.4b.resume.no_keyboard 178a179 > ata2: soft resetting port 182a184,185 > ata1: EH pending after completion, repeating EH (cnt=4) > ata1: soft resetting port 183a187,195 > ata2: EH complete > ata1.00: ata_hpa_resize 1: sectors = 117210240, hpa_sectors = 117210240 > ata1.00: ata_hpa_resize 1: sectors = 117210240, hpa_sectors = 117210240 > ata1.00: configured for UDMA/100 > ata1: EH complete > SCSI device sda: 117210240 512-byte hdwr sectors (60012 MB) > sda: Write Protect is off > sda: Mode Sense: 00 3a 00 00 > SCSI device sda: write cache: enabled, read cache: enabled, doesn't support > DPO or FUA 186d197 < ADDRCONF(NETDEV_UP): eth0: link is not ready 193a205 > ADDRCONF(NETDEV_UP): eth0: link is not ready 195,202c207 < ata1.00: ata_hpa_resize 1: sectors = 117210240, hpa_sectors = 117210240 < ata1.00: ata_hpa_resize 1: sectors = 117210240, hpa_sectors = 117210240 < ata1.00: configured for UDMA/100 < SCSI device sda: 117210240 512-byte hdwr sectors (60012 MB) < sda: Write Protect is off < sda: Mode Sense: 00 3a 00 00 < SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA < input: Lid Switch as /class/input/input17 --- > input: Lid Switch as /class/input/input20 204c209 < input: Power Button (CM) as /class/input/input18 --- > input: Power Button (CM) as /class/input/input21 206c211 < input: Sleep Button (CM) as /class/input/input19 --- > input: Sleep Button (CM) as /class/input/input22 211,212c216,217 < ACPI: Thermal Zone [THM] (37 C) < ACPI: AC Adapter [AC] (on-line) --- > ACPI: Thermal Zone [THM] (34 C) > ACPI: AC Adapter [AC] (off-line) ** Attachment added: "Archive containing kerl.log samples before and after the problem occured" http://librarian.launchpad.net/7617105/kern.tar.bz2 -- regression: Keyboard + Synaptic Touchpad randomly do not return from suspend on Dell 640m https://bugs.launchpad.net/bugs/99755 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
