Comment 4 for bug 99755

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)