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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).