From: Jan Kiszka <jan.kiszka@domain.hid>
To: VEYSSIERE Nicolas <nicolas.veyssiere@domain.hid>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai-help] Kernel panic on boot with 2.5.6
Date: Wed, 22 Jun 2011 14:55:09 +0200 [thread overview]
Message-ID: <4E01E62D.8050504@domain.hid> (raw)
In-Reply-To: <18303_1308746837_4E01E455_18303_6972_2_ECB646CBB62FD044927FDEDF0252D3E701E388B3645B@THSONEA01CMS03P.one.grp>
On 2011-06-22 14:47, VEYSSIERE Nicolas wrote:
> Yes, my host is Windows, I can't change anything about that, and yes it is only for testing.
>
> I changed my boot line : [ 0.000000] Kernel command line: root=/dev/sda3 xeno_hal.cpufreq=1200 clocksource=tsc console=tty0 console=ttyS0,115200 noapic acpi=noirq video=vesafb:mtrr:3,ywrap vga=6
>
> But I didn't find the range or the unit for cpufreq, and maybe I had to prefix clocksource with xeno_hal ?
Unit is HZ.
>
> But I noticed this in the log :
>
> [ 1.202694] BUG: unable to handle kernel NULL pointer dereference at 00000920
> [ 1.202694] IP: [<c10736fe>] __xirq_end+0x12/0x2e
> [ 1.202694] *pde = 00000000
> [ 1.202694] Oops: 0000 [#1] SMP
>
> Can it be because SMP is activated and that virtualbox is enabling only 1 processor with 1 core ?
I don't know what vbox emulates in UP mode. We are only using it (for
Windows hosts) in SMP mode.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2011-06-22 12:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 10:44 [Xenomai-help] Kernel panic on boot with 2.5.6 VEYSSIERE Nicolas
2011-06-22 10:57 ` Gilles Chanteperdrix
2011-06-22 11:10 ` VEYSSIERE Nicolas
2011-06-22 11:12 ` Gilles Chanteperdrix
2011-06-22 11:24 ` VEYSSIERE Nicolas
2011-06-22 12:32 ` Jan Kiszka
2011-06-22 12:47 ` VEYSSIERE Nicolas
2011-06-22 12:55 ` Jan Kiszka [this message]
2011-06-23 9:31 ` VEYSSIERE Nicolas
2011-06-23 9:53 ` varname
2011-06-23 10:08 ` Jan Kiszka
2011-06-22 10:58 ` Sambasiva Rao Manchili
2011-06-22 11:09 ` Sambasiva Rao Manchili
2011-06-22 11:11 ` VEYSSIERE Nicolas
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4E01E62D.8050504@domain.hid \
--to=jan.kiszka@domain.hid \
--cc=nicolas.veyssiere@domain.hid \
--cc=xenomai@xenomai.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.