Re: what causes: kernel:[38405.042543] do_IRQ: 0.81 No irq handler for vector (irq -1)

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Thanks again!

On Sat, 4 Oct 2014 16:51:49 +0200 Heinz Diehl <htd+ml@xxxxxxxxxx> wrote:

> 
> In that case, you should download your kernels directly from
> kernel.org. It's not a big deal to compile a kernel on your own. 
> 
> 1. Download e.g. the latest mainline kernel from kernel.org
> 2. Unpack it into /usr/src
> 3. Copy the latest .config from your actual Fedora kernel (/boot) into
>    the root of the kernel sourcetree
> 4. "make oldconfig" (maybe you have to configure some new options here)
> 5. "make"
> 6. "make modules_install"
> 7. "make install"
> 8. Reboot your new kernel
> 
> This kernel lives peacefully alongside your Fedora kernels, and you
> can delete the respective files under /boot, the sourcetree and the
> modules in /lib/modules/ if you want to remove it. You do not damage
> your Fedora kernel installation or the like. It's safe.

Does grub not have to be updated also? How does one do that?

> Btw: there hasn't been any update to -stable in nearly 2 weeks,
> because the stable maintainer was too busy to push out a new release
> during this period. However, 3.16.4-rc1 was released today and 
> will soon be transferred into 3.16.4.

I see: makes sense! Btw, 3.16.4-rc1 is not available on www.kernel.org.
What is the difference between this and 3,17-rc7?

> 
> Btw2: didn't disabling irqbalance workaround the phenomenon?

Sorry, I first decided to do the BIOS upgrade. And since I started
having the network not coming up (consistently now, 100% of the cases)
on a wakeup from hibernate, I did not try out the disabling irqbalance.
(Only once after the BIOS upgrade so far did I get the above mesage.) 

What I don't quite understand is that there seem to be no issues when
the system is rebooted. But issues arise only upon a wakeup from
hibernate. Which I did, as advised in the mailing list here, doing the
following: 

1. edit /etc/sysconfig/grub

to add: resume=UUID="b7751022-8912-4bb
a-bfb4-f7647b351a21" to the GRUB_CMDLINE_LINUX.

2. run sudo bash -x grub2-mkconfig -o /boot/grub2/grub.cfg

Hopefully, this was correct and I did not miss anything.

Many thanks and best wishes,
Ranjan


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