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SubjectBootup time regression from 2.6.27 to 2.6.28-rc3+
Hello Rafael,

not sure whether this is already reported or not. However, in 2.6.28-rc3
I discovered about 10 secs delay before mounting the root fs and running init
(not sure whether the delay is caused by mount or init). It did not appear in
2.6.27. I did not try any previous 2.6.28-rcX.

This is from dmesg in 2.6.28-rc3.

[ 7.880966] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 8.103116] input: TPPS/2 IBM TrackPoint as
/devices/platform/i8042/serio1/serio2/input/input7
[ 28.993523] kjournald starting. Commit interval 5 seconds
[ 28.993581] EXT3-fs: mounted filesystem with ordered data mode.
[ 28.993638] VFS: Mounted root (ext3 filesystem) readonly.
[ 28.993675] Freeing unused kernel memory: 332k freed
[ 37.697648] uhci_hcd: USB Universal Host Controller Interface driver
[ 37.697740] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 20 (level, low) -> IRQ
20
[ 37.697779] uhci_hcd 0000:00:1a.0: setting latency timer to 64
[ 37.697785] uhci_hcd 0000:00:1a.0: UHCI Host Controller
[ 37.698005] drivers/usb/core/inode.c: creating file 'devices'
[ 37.698008] drivers/usb/core/inode.c: creating file '001'
[ 37.698131] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus
number 1
[ 37.698176] uhci_hcd 0000:00:1a.0: detected 2 ports
[ 37.698205] uhci_hcd 0000:00:1a.0: uhci_check_and_reset_hc: cmd = 0x0000


This is from 2.6.27 kernel:
[ 8.215972] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 8.452174] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input7
[ 9.016605] kjournald starting. Commit interval 5 seconds
[ 9.016634] EXT3-fs: mounted filesystem with ordered data mode.
[ 9.016663] VFS: Mounted root (ext3 filesystem) readonly.
[ 9.016756] Freeing unused kernel memory: 296k freed
[ 18.963410] HDA Intel 0000:00:1b.0: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[ 18.963461] hda_intel: probe_mask set to 0x1 for device 17aa:20ac
[ 18.969726] USB Universal Host Controller Interface driver v3.0
[ 18.987703] e1000e: Intel(R) PRO/1000 Network Driver - 0.3.3.3-k6
[ 18.987732] e1000e: Copyright (c) 1999-2008 Intel Corporation.
[ 19.023978] sdhci: Secure Digital Host Controller Interface driver
[ 19.024017] sdhci: Copyright(c) Pierre Ossman
[ 19.084812] input: PC Speaker as /devices/platform/pcspkr/input/input8
[ 19.366304] e1000e 0000:00:19.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 19.372539] ACPI: WMI: Mapper loaded
[ 19.570065] 0000:00:19.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:1a:6b:d2:bd:81
[ 19.570105] 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
[ 19.570172] 0000:00:19.0: eth0: MAC: 4, PHY: 6, PBA No: ffffff-0ff
[ 19.570301] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20
[ 19.570343] uhci_hcd 0000:00:1a.0: UHCI Host Controller

--
Lukáš Hejtmánek
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