Hi Ingo and others,
It's been quite awhile since I wrote anything here. I have been
using the 2.6.15-rt kernels for audio work on my AMD64 machine, but I
haven't written much music lately so the work load has been very low.
Actually I've found that for light work the standard Gentoo 2.6.16
kernel without -rt patches has been good enough for my real-time needs
of late so thanks to all the kernel developers for those more results
also.
Working quite nicely on my system are:
2.6.15-rt18
2.6.16-gentoo-r2
Some Gentoo oriented folks created a new 'pro-audio' overlay which
allows Gentoo users to build both applications and -rt kernels using
normal portage methods. Here's the link:
http://proaudio.tuxfamily.org/wiki/index.php?title=Main_Page
Since the newest -rt kernels are part of the overlay I thought I'd
give building and booting one a try. At the time the version in the
overlay was 2.6.16-rt22 so I tried that. Unfortunately the boot
process hangs immediately after some messages about registering IO
schedulers.
My method to build 2.6.16-rt22 was to emerge the source from the
pro-audio overlay, copy the 2.6.15-rt18 .config file, run make
oldconfig, make menuconfig, make && make modules_install, and then
copy the kernel source to /boot.
My method to build 2.6.16-rt23 was to download linux-2.6.16, unzip
and untar, patch it with the -rt23 patch from your site, then again
use the 2.6.15-rt18 .config file as in the previous paragraph. Same
results.
I did try changing the default IO Scheduler, as well as leaving a
few out. I still hang at the same place.
My guess is that it's the step immediately after registering these
schedulers that's hanging but I no longer have a second computer so I
cannot do the console thing with the serial cable. Sorry.
Again, no serious problems for me since both 2.6.15-rt18 &
2.6.16-gentoo-r2 are working great, but I thought I should at least
report this to see if there is some known thing I need to change or,
if not, make sure you are aware of the problem.
Here's some very basic info about the hardware
lightning ~ # lspci
00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
00:04.0 Multimedia audio controller: nVidia Corporation CK804 AC'97
Audio Contro ller (rev a2)
00:06.0 IDE interface: nVidia Corporation CK804 IDE (rev f2)
00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev a2)
00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] HyperTra nsport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] DRAM Con troller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8
[Athlon64/Opteron] Miscella neous Control
01:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60
[Radeon X300 (PCIE)]
01:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]
05:06.0 Multimedia audio controller: Xilinx Corporation RME Hammerfall
DSP (rev 68)
05:08.0 FireWire (IEEE 1394): Texas Instruments TSB82AA2 IEEE-1394b
Link Layer C ontroller (rev 01)
lightning ~ #
As always, thanks for all your work on kernels for us audio folks.
I'm sure we don't say thanks enough. Sorry about that.
Cheers,
Mark
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