First, thanks all in advance for lending your time and skills to help. At this point I'm lost without them.

Im running Centos CentOS 4.2 with 2.6.9-22.0.1.ELsmp kernel. My /var/log/messages (below) seems to be making hard drive references- my boot drive is SATA and I have 2 IDE drives for additional storage. Please let me know if I have left anything out.

I've tried updating my BIOS and booting with acpi=off. There seemed to be no difference after the BIOS upgrade. The results seemed to be the same with acpi=off, with the exception "irq 185" became "irq 153".

This is what I'm seeing at bootup:
"irq 185: nobody cared! (screaming interrupt?)
Jan 7 11:10:04 home kernel: irq 185: Please try booting with acpi=off and report a bug"

Here is the tail 40 lines of my /var/log/messages:

Jan 7 11:10:00 home kernel: [<c0107739>] note_interrupt+0xea/0x115
Jan 7 11:10:00 home kernel: [<c01079e5>] do_IRQ+0x143/0x1ae
Jan 7 11:10:00 home kernel: [<c02d1974>] common_interrupt+0x18/0x20
Jan 7 11:10:00 home kernel: [<c01040e5>] mwait_idle+0x33/0x42
Jan 7 11:10:00 home kernel: [<c010409d>] cpu_idle+0x26/0x3b
Jan 7 11:10:00 home kernel: handlers:
Jan 7 11:10:00 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:00 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:00 home kernel: [<c0257e20>] (usb_hcd_irq+0x0/0x4b)
Jan 7 11:10:00 home kernel: Disabling IRQ #185
Jan 7 11:10:01 home crond(pam_unix)[4073]: session opened for user root by (uid =0)
Jan 7 11:10:01 home crond(pam_unix)[4074]: session opened for user root by (uid =0)
Jan 7 11:10:01 home crond(pam_unix)[4074]: session closed for user root
Jan 7 11:10:02 home kernel: irq 185: nobody cared! (screaming interrupt?)
Jan 7 11:10:02 home kernel: irq 185: Please try booting with acpi=off and repor t a bug
Jan 7 11:10:02 home kernel: [<c01074c2>] __report_bad_irq+0x3a/0x77
Jan 7 11:10:02 home kernel: [<c0107739>] note_interrupt+0xea/0x115
Jan 7 11:10:02 home kernel: [<c01079e5>] do_IRQ+0x143/0x1ae
Jan 7 11:10:02 home kernel: [<c02d1974>] common_interrupt+0x18/0x20
Jan 7 11:10:02 home kernel: [<c02d007b>] __lock_text_end+0x232/0x100f
Jan 7 11:10:02 home kernel: handlers:
Jan 7 11:10:02 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:02 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:02 home kernel: [<c0257e20>] (usb_hcd_irq+0x0/0x4b)
Jan 7 11:10:02 home kernel: Disabling IRQ #185
Jan 7 11:10:02 home crond(pam_unix)[4073]: session closed for user root
Jan 7 11:10:04 home kernel: irq 185: nobody cared! (screaming interrupt?)
Jan 7 11:10:04 home kernel: irq 185: Please try booting with acpi=off and repor t a bug
Jan 7 11:10:04 home kernel: [<c01074c2>] __report_bad_irq+0x3a/0x77
Jan 7 11:10:04 home kernel: [<c0107739>] note_interrupt+0xea/0x115
Jan 7 11:10:04 home kernel: [<c01079e5>] do_IRQ+0x143/0x1ae
Jan 7 11:10:04 home kernel: [<c02d1974>] common_interrupt+0x18/0x20
Jan 7 11:10:04 home kernel: [<c01040e5>] mwait_idle+0x33/0x42
Jan 7 11:10:04 home kernel: [<c010409d>] cpu_idle+0x26/0x3b
Jan 7 11:10:04 home kernel: handlers:
Jan 7 11:10:04 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:04 home kernel: [<c023f401>] (ide_intr+0x0/0x11e)
Jan 7 11:10:04 home kernel: [<c0257e20>] (usb_hcd_irq+0x0/0x4b)
Jan 7 11:10:04 home kernel: Disabling IRQ #185
Jan 7 11:10:04 home dbus: Can't send to audit system: USER_AVC pid=2724 uid=81 loginuid=-1 message=avc: denied { send_msg } for scontext=user_u:system_r:unc onfined_t tcontext=user_u:system_r:initrc_t tclass=dbus

Build your own kernel, visit kernel.org download and build kernel-2.6.15;

http://www.digitalhermit.com/linux/K...ild-HOWTO.html

Quick and dirty (the quickie way);

After extracting and changing to the /usr/src/linux-2.6.15 location;

make mrproper
cp /boot/config-2.6.9-22.0.1.ELsmp .config
make xconfig
make
make modules_install
make install

When done test your new kernel (re-boot to the new kernel), if your happy and everything looks good the go back to the /usr/src/linux-2.6.15 location and do;

make rpm

If you do not build a working kernel on your first attempt don't worry many do not the first time (I failed about 8 times myself when I first tried).


$ cat /etc/redhat-release
CentOS release 4.2 (Final)

$ uname -a
Linux Aspire5000 2.6.15 #1 Tue Jan 3 09:30:14 EST 2006 x86_64 x86_64 x86_64 GNU/Linux

Lenard, thank you for the suggestion. I've been wanting to try compliling my own kernel anyway, so now is a good time to learn!

I tried the steps you laid out and then I tried the method in the link you sent.

Both times immediately after booting to my new kernel i got

"kernel panic - not syncing: attempting to kill init!"

Do you have any suggestions on where i could have gone wrong?

Thanks again!

Sure, it takes a bit of time and effort to get a working .config file.

Use the command 'lspci -v' to get the list of your hardware.

The copying of the config-XXXX file from your /boot location is just to provide you with a rough framework to start customizing your kernel to match your system(s). Using the 'make config' and the knowledge gained from the lspci command to make sure all your hardware is configured. Deciede if you want to use acpi or apm and which CPU customizations are best for the system. It takes a bit of trial and effort.

It sounds like your really, really close...... you might want to try editing your grub.conf file. Review your /boot/grub/grub.conf file, in the comments section at the top you should see something like;

kernel /vmlinuz-version ro root=/dev/hda5

This is a clue, use this information and change your custom kernel line to basically match and try booting again;

From something like;

kernel /vmlinuz-2.6.15 ro root=LABEL=/ quiet vga=790

To something like;

kernel /vmlinuz-2.6.15 ro root=/dev/hda5 quiet vga=790

Also make sure you have the kernel-utils rpm package installed.