* ata_piix init/performance regression ?
@ 2007-12-07 23:46 devzero
2007-12-10 9:47 ` Tejun Heo
0 siblings, 1 reply; 2+ messages in thread
From: devzero @ 2007-12-07 23:46 UTC (permalink / raw)
To: linux-ide; +Cc: linux-kernel
Hello !
on my old fujitsu-siemens lifebook, booting is at least 20 seconds slower as before.
on ata_piix init i can see 2 longer delays of ~10 seconds each, which didn`t happen before.
i`m using SuSE kernel of the day from http://ftp.suse.com/pub/projects/kernel/kotd/
problem exists with these kernels:
kernel-vanilla-2.6.24_rc3_git3-20071201095839
kernel-default-2.6.24_rc3_git3-20071201095839
kernel-default-2.6.24_rc4_git3-20071206172629
kernel-vanilla-2.6.24_rc4_git3-20071206172629
problem didn`t exist with this one:
kernel-default-2.6.22.12-0.1 (opensuse 10.3 default)
please see https://bugzilla.novell.com/show_bug.cgi?id=345442 for more details.
regards
roland
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: ata_piix init/performance regression ?
2007-12-07 23:46 ata_piix init/performance regression ? devzero
@ 2007-12-10 9:47 ` Tejun Heo
0 siblings, 0 replies; 2+ messages in thread
From: Tejun Heo @ 2007-12-10 9:47 UTC (permalink / raw)
To: devzero; +Cc: linux-ide, linux-kernel
devzero@web.de wrote:
> Hello !
>
> on my old fujitsu-siemens lifebook, booting is at least 20 seconds slower as before.
>
> on ata_piix init i can see 2 longer delays of ~10 seconds each, which didn`t happen before.
>
> i`m using SuSE kernel of the day from http://ftp.suse.com/pub/projects/kernel/kotd/
>
> problem exists with these kernels:
> kernel-vanilla-2.6.24_rc3_git3-20071201095839
> kernel-default-2.6.24_rc3_git3-20071201095839
> kernel-default-2.6.24_rc4_git3-20071206172629
> kernel-vanilla-2.6.24_rc4_git3-20071206172629
>
> problem didn`t exist with this one:
> kernel-default-2.6.22.12-0.1 (opensuse 10.3 default)
>
> please see https://bugzilla.novell.com/show_bug.cgi?id=345442 for more details.
That's a TSC problem on suse kernel. I'll follow up on the bugzilla.
--
tejun
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