[PlanetCCRMA] fc6/7: new kernels

Fernando Lopez-Lezcano nando@ccrma.Stanford.EDU
Mon Sep 3 18:40:04 2007


On Mon, 2007-09-03 at 11:05 -0700, Scott Davidson wrote:
> Hi Fernando,
> 
> I'm having trouble with the latest rt-kernel. It crashes very early in
> the boot process.
> 
> Right after "Uncompressing linux... Ok, booting the kernel", it
> presumably hits a kernel oops. It spits out a stack trace, but it
> doesn't get far enough to be entered in any of the logs. I've attached a
> screenshot visible portion of the stack (unfortunately, the best I could
> do...).

Thanks...

> This hardware boots fine on the latest stable fedora stock kernel
> (2.6.22.4-65.fc7).
> 
> Please let me know if there's any additional info that would be helpful,
> or any tips to try to get the 'offscreen' portion of the stack trace.

That is normally difficult (AFAIK), what I've done in the past is use
the "serial console", the trick is to boot with the console pointing to
the serial port and capture the output with a second computer which has
a terminal emulation program logging to disk what comes in from the
serial port...

-- Fernando


> Here's some hardware info:
> 
> $ /sbin/lspci
> 00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O
> Controller (rev 21)
> 00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP
> Controller (rev 21)
> 00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03)
> 00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03)
> 00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03)
> 00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2
> EHCI Controller (rev 03)
> 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
> 00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface
> Bridge (rev 03)
> 00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE
> Controller (rev 03)
> 00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
> SMBus Controller (rev 03)
> 00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
> 00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
> AC'97 Modem Controller (rev 03)
> 01:00.0 VGA compatible controller: ATI Technologies Inc RV350 [Mobility
> Radeon 9600 M10]
> 02:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host
> Controller (rev 80)
> 02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL-8139/8139C/8139C+ (rev 10)
> 02:02.0 Network controller: Intel Corporation PRO/Wireless 2200BG
> Network Connection (rev 05)
> 02:03.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller
> (rev 01)
> 03:00.0 Multimedia audio controller: Xilinx Corporation RME Hammerfall
> DSP (rev 32)
> 
> $ smoltSendProfile
>         UUID:
>         OS: Fedora release 7 (Moonshine)
>         Default run level: 5
>         Language: en_US.UTF-8
>         Platform: i686
>         BogoMIPS: 3190.82
>         CPU Vendor: GenuineIntel
>         CPU Model: Intel(R) Pentium(R) M processor 1.60GHz
>         Number of CPUs: 1
>         CPU Speed: 1600
>         System Memory: 1010
>         System Swap: 1951
>         Vendor: <BAD INDEX>
>         System: <BAD INDEX> <BAD INDEX>
>         Form factor: laptop
>         Kernel: 2.6.22.4-65.fc7
>         SELinux Enabled: False
>         SELinux Enforce: Disabled
> 
> -Scott
> 
> 
> On Fri, 31 Aug 2007 17:05:47 -0700, "Fernando Lopez-Lezcano"
> <nando@ccrma.Stanford.EDU> said:
> > Hi all... new realtime kernels are now available for both fc6 and fc7. 
> > 
> > They are based in 2.6.22.6 and Ingo's 2.6.22.1-rt9 (with suitable
> > tweaks). 
> > The configuration has been again matched against the latest Fedora
> > kernels. 
> > Lightly tested on fc6 and fc7 i386 (2.6.22.6-1.rt9.1). 
> > 
> > Enjoy!
> > 
>