Comment 20 for bug 625395

Attachment is a bootchart when same problem hit me.
After I remade swap partition and I hit several times when boot time, the problem happen to be gone..

Attachement is a chart when problem occurs.

following is a log.
Dec 23 13:52:51 tuna kernel: [ 2.231976] usbhid: USB HID core driver
Dec 23 13:52:51 tuna kernel: [ 2.243343] usb 2-1.6: new full speed USB device number 5 using ehci_hcd
Dec 23 13:52:51 tuna kernel: [ 2.361649] ata2.00: configured for UDMA/100
Dec 23 13:52:51 tuna kernel: [ 2.963152] scsi 1:0:0:0: CD-ROM TSSTcorp CDDVDW SH-S223C SB03 PQ: 0 ANSI: 5
Dec 23 13:52:51 tuna kernel: [ 2.966365] sr0: scsi3-mmc drive: 52x/52x writer dvd-ram cd/rw xa/form2 cdda tray
Dec 23 13:52:51 tuna kernel: [ 2.966371] cdrom: Uniform CD-ROM driver Revision: 3.20
Dec 23 13:52:51 tuna kernel: [ 2.966516] sr 1:0:0:0: Attached scsi CD-ROM sr0
Dec 23 13:52:51 tuna kernel: [ 2.966579] sr 1:0:0:0: Attached scsi generic sg1 type 5
Dec 23 13:52:51 tuna kernel: [ 3.286349] ata3: SATA link down (SStatus 0 SControl 300)
Dec 23 13:52:51 tuna kernel: [ 3.606094] ata4: SATA link down (SStatus 0 SControl 300)
Dec 23 13:52:51 tuna kernel: [ 3.925860] ata5: SATA link down (SStatus 0 SControl 300)
Dec 23 13:52:51 tuna kernel: [ 4.245616] ata6: SATA link down (SStatus 0 SControl 300)
Dec 23 13:52:51 tuna kernel: [ 4.708530] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
Dec 23 13:52:51 tuna kernel: [ 66.951398] Adding 3905532k swap on /dev/sda6. Priority:-1 extents:1 across:3905532k
Dec 23 13:52:51 tuna kernel: [ 67.800504] lp: driver loaded but no devices found
Dec 23 13:52:51 tuna kernel: [ 68.451122] parport_pc 00:06: reported by Plug and Play ACPI
Dec 23 13:52:51 tuna kernel: [ 68.451176] parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,ECP,DMA]
Dec 23 13:52:51 tuna kernel: [ 68.540511] lp0: using parport0 (interrupt-driven).
Dec 23 13:52:51 tuna kernel: [ 68.641501] ppdev: user-space parallel port driver
Dec 23 13:52:51 tuna kernel: [ 68.806270] device-mapper: multipath: version 1.3.0 loaded
Dec 23 13:52:51 tuna kernel: [ 68.991564] EDAC MC: Ver: 2.1.0