Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+ | Date | Sun, 9 Nov 2008 01:06:04 +0100 |
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On Tuesday, 4 of November 2008, Lukas Hejtmanek wrote: > Hello Rafael,
Hi,
> 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.
Added to the list of recent regressions as http://bugzilla.kernel.org/show_bug.cgi?id=11987
Thanks, Rafael
> 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 >
-- Everyone knows that debugging is twice as hard as writing a program in the first place. So if you're as clever as you can be when you write it, how will you ever debug it? --- Brian Kernighan
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