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Message-ID: <4651B6A7.1060901@tuxrocks.com> Date: Mon, 21 May 2007 10:11:35 -0500 From: Frank Sorenson <frank@...rocks.com> To: Thomas Gleixner <tglx@...utronix.de> CC: Maarten Maathuis <madman2003@...il.com>, linux-kernel@...r.kernel.org Subject: Re: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Thomas Gleixner wrote: > On Mon, 2007-05-21 at 00:00 -0500, Frank Sorenson wrote: > >> I see the slow bootup as well, even with 2.6.22-rc2-hrt1. It takes at >> least 5 times as long to boot, for X to start, to login, etc. > > Can you provide me your .config and a boot log (please enable > CONFIG_PRINTK_TIME and add "apic=verbose" to the kernel command line). > > Can you also try with "hpet=disable" ? All attached. With "hpet=disable", it's still slow (clocksource becomes acpi_pm). Frank - -- Frank Sorenson - KD7TZK Linux Systems Engineer, DSS Engineering, UBS AG frank@...rocks.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGUbanaI0dwg4A47wRAh2wAKCol7lc63QUU7LF0mR8arkUp/rUjACguMHE XVk2yv27p2BIA/DTvKwA/3A= =k57j -----END PGP SIGNATURE----- View attachment "2.6.22-rc2-hrt1-fs2.config" of type "text/plain" (55455 bytes) View attachment "2.6.22-rc2-hrt1-fs2.dmesg" of type "text/plain" (52559 bytes) View attachment "2.6.22-rc2-hrt1-fs2-nohpet.dmesg" of type "text/plain" (55456 bytes)
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