lkml.org 
[lkml]   [2007]   [May]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [realtime kernel 2.6.21-rt2 and up] Extremely slow bootup for x86_64
2.6.21-rt6 is working normally as far as i can see.

Maarten.

On 5/21/07, Thomas Gleixner <tglx@linutronix.de> wrote:
> On Mon, 2007-05-21 at 10:11 -0500, Frank Sorenson wrote:
> > -----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).
>
> > [ 23.159166] Bluetooth: HCI device and connection manager initialized
> > [ 23.159170] Bluetooth: HCI socket layer initialized
> > [ 23.159179] BUG: at mm/slab.c:777 __find_general_cachep()
> > [ 23.159181]
> > [ 23.159182] Call Trace:
> > [ 23.159190] [<ffffffff81097a67>] __kmalloc+0xa7/0xe0
> > [ 23.159195] [<ffffffff810238dd>] cache_k8_northbridges+0x9d/0x120
> > [ 23.159200] [<ffffffff814ddce3>] gart_iommu_init+0x33/0x5b0
> > [ 23.159205] [<ffffffff811d4027>] class_register+0x177/0x180
> > [ 23.159210] [<ffffffff814d8379>] pci_iommu_init+0x9/0x20
> > [ 23.159214] [<ffffffff814cf6cc>] kernel_init+0x14c/0x320
> > [ 23.159218] [<ffffffff8100b1b8>] child_rip+0xa/0x12
> > [ 23.159223] [<ffffffff81184150>] acpi_ds_init_one_object+0x0/0x7c
> > [ 23.159227] [<ffffffff814cf580>] kernel_init+0x0/0x320
> > [ 23.159230] [<ffffffff8100b1ae>] child_rip+0x0/0x12
>
> Hmm, other than this gem there is nothing obvious in the boot log. Does
> the box boot normal with 2.6.22-rc2 ?
>
> Where does the slowness start ? Right from the beginning or later in the
> boot process ?
>
> tglx
>
>
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-23 07:43    [W:0.074 / U:1.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site