[Bug 172375] Excessive boot time in Gutsy

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I have a Durion desktop. On Feisty, it booted in 2 minutes. On Gutsy
upgrade, it takes 6+ minutes. Shown below is part of kern.log. t takes
about 30 seconds with no disk activity to get through each set of
messages from 'Exception Emask...frozen'  to EH complete . I have no
idea what these messages mean. Can you you tell me their meaning? Also,
how can I reduce this 'freezing'?

Nov 23 15:06:27 localhost kernel: [   15.164000] scsi 2:0:0:0: Direct-Access     Generic  USB SD Reader    1.00 PQ: 0 ANSI: 0
Nov 23 15:06:27 localhost kernel: [   15.164000] scsi 2:0:0:1: Direct-Access     Generic  USB MS Reader    1.03 PQ: 0 ANSI: 0
Nov 23 15:06:27 localhost kernel: [   37.884000] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Nov 23 15:06:27 localhost kernel: [   37.884000] ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
Nov 23 15:06:27 localhost kernel: [   37.884000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Nov 23 15:06:27 localhost kernel: [   37.884000] ata1: soft resetting port
Nov 23 15:06:27 localhost kernel: [   38.064000] ata1.00: configured for UDMA/100
Nov 23 15:06:27 localhost kernel: [   38.064000] ata1: EH complete
Nov 23 15:06:27 localhost kernel: [   68.064000] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Nov 23 15:06:27 localhost kernel: [   68.064000] ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
Nov 23 15:06:27 localhost kernel: [   68.064000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Nov 23 15:06:27 localhost kernel: [   68.064000] ata1: soft resetting port
Nov 23 15:06:27 localhost kernel: [   68.244000] ata1.00: configured for UDMA/100
Nov 23 15:06:27 localhost kernel: [   68.244000] ata1: EH complete
Nov 23 15:06:27 localhost kernel: [   98.244000] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Nov 23 15:06:27 localhost kernel: [   98.244000] ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
Nov 23 15:06:27 localhost kernel: [   98.244000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Nov 23 15:06:27 localhost kernel: [   98.244000] ata1: soft resetting port
Nov 23 15:06:27 localhost kernel: [   98.424000] ata1.00: configured for UDMA/100
Nov 23 15:06:27 localhost kernel: [   98.424000] ata1: EH complete
Nov 23 15:06:27 localhost kernel: [  128.424000] ata1.00: limiting speed to UDMA/66:PIO4
Nov 23 15:06:27 localhost kernel: [  128.424000] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Nov 23 15:06:27 localhost kernel: [  128.424000] ata1.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 cdb 0x0 data 4096 in
Nov 23 15:06:27 localhost kernel: [  128.424000]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Nov 23 15:06:27 localhost kernel: [  128.424000] ata1: soft resetting port
Nov 23 15:06:27 localhost kernel: [  128.604000] ata1.00: configured for UDMA/66
Nov 23 15:06:27 localhost kernel: [  128.604000] ata1: EH complete

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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Excessive boot time in Gutsy
https://bugs.launchpad.net/bugs/172375
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