From: Robin Gareus <robin@gareus.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Gregory Haskins <ghaskins@novell.com>, linux-rt-users@vger.kernel.org
Subject: Re: 2.6.29-rt1+ irqbalance = OOPS
Date: Sat, 28 Mar 2009 16:57:49 +0100 [thread overview]
Message-ID: <49CE48FD.5040506@gareus.org> (raw)
In-Reply-To: <alpine.LFD.2.00.0903281536420.3397@localhost.localdomain>
Thomas Gleixner wrote:
> On Fri, 27 Mar 2009, Robin Gareus wrote:
>> Gregory Haskins wrote:
>>> Robin Gareus wrote:
>>>> Hello,
>>>>
>>>> Starting the irqbalance daemon ( http://www.irqbalance.org/ ) on
>>>> 2.6.29-rt1 causes the system to OOPS and freeze. irqbalance works fine
>>>> with previous realtime kernels (2.6.24.7-rt27).
>>>>
>>>> The OOPS seems to be caused by the PID of the [timer] IRQ-1
>>> This in of itself might be part of the problem. I didn't think the
>>> timer was supposed to be threaded. Thomas?
>> OOPS ;) my bad. IRQ-0 is the timer and it's indeed not threaded.
>>
>> IRQ-1 is i8042
>>
>> The OOPS can be triggered by launching irqbalance. then pressing any key.
>> For whatever reason the OOPS also takes place after a random amount of
>> time without pressing any key..
>
> Hmm. Works fine here. Can you please provide the output of
>
> # cat /proc/interrupts
CPU0 CPU1
0: 2592396 0 IO-APIC-edge timer
1: 31901 0 IO-APIC-edge i8042
8: 79 0 IO-APIC-edge rtc0
9: 294004 0 IO-APIC-fasteoi acpi
12: 55544 0 IO-APIC-edge i8042
14: 28478 0 IO-APIC-edge ata_piix
15: 0 0 IO-APIC-edge ata_piix
16: 0 0 IO-APIC-fasteoi uhci_hcd:usb1, yenta,
i915@pci:0000:00:02.0
17: 166 0 IO-APIC-fasteoi uhci_hcd:usb2, HDA Intel,
ohci1394
18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4, mmc0
19: 66 0 IO-APIC-fasteoi ehci_hcd:usb3, uhci_hcd:usb5
28: 1504 0 PCI-MSI-edge iwl3945
NMI: 0 0 Non-maskable interrupts
LOC: 398393 1538764 Local timer interrupts
SPU: 0 0 Spurious interrupts
CNT: 0 0 Performance counter interrupts
RES: 120526 181396 Rescheduling interrupts
CAL: 42459 30754 Function call interrupts
TLB: 839 1056 TLB shootdowns
TRM: 0 0 Thermal event interrupts
ERR: 0
MIS: 0
The corresponding .config is available at
http://rg42.org/_media/wiki/kernel/config-2.6.29-rt1.txt
I just tested Fernando's CCRMA 2.6.29-rt1 kernel which is x686 plus
generic x86-compat (mine is MCORE2) and irqbalance does not produce an
OOPS there.
I'll see if can get a dump of the OOPS on Monday using netconsole.
HTH,
robin
next prev parent reply other threads:[~2009-03-28 15:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-27 16:16 2.6.29-rt1+ irqbalance = OOPS Robin Gareus
2009-03-27 16:49 ` Gregory Haskins
2009-03-27 17:24 ` Robin Gareus
2009-03-28 14:37 ` Thomas Gleixner
2009-03-28 15:57 ` Robin Gareus [this message]
2009-03-30 13:43 ` Robin Gareus
2009-04-01 6:43 ` Thomas Gleixner
2009-04-04 11:20 ` Robin Gareus
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=49CE48FD.5040506@gareus.org \
--to=robin@gareus.org \
--cc=ghaskins@novell.com \
--cc=linux-rt-users@vger.kernel.org \
--cc=tglx@linutronix.de \
/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.