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Description of problem:
This is bug is against AS2.1 Update 3 beta1 (As far as I now beta I)
The summit kernel will not boot on my system. It is an 4-way x440 with
under 4 gig on memory.
This disto installed ok but the summit kennel will not boot. It gets
as far as bring up sshd and xinitd but it will not pass this. I am
still able to ping to box but I can't ssh into it. The key board is
non responsive. The last kernel I had access to e.29summit booted ok
but was not stable on the system (it fell down after about an hour of
I booted the up kernel but was unable to bulid a debug kernel (thanks
alot for including kdb in you kenel tree). When I did a make
modules_install i get this mess. (after bzImage and modules)
[root@elm3a2 linux-2.4]# make modules_install
make -C kernel modules_install
make: Entering directory `/usr/src/linux-2.4.9-e.31/kernel'
make: Nothing to be done for `modules_install'.
make: Leaving directory `/usr/src/linux-2.4.9-e.31/kernel'
mkdir -p /lib/kernel/2.4.9-e.31custom/
install -m 755 ulib/libredhat-kernel.so.1.0.1
install: cannot stat `ulib/libredhat-kernel.so.1.0.1': No such file or
directorymake: *** [_modinst_kernel] Error 1
so I am a little stuck for more info at this time. I need to build
That is wher I am at with the AS2.1 beta 1 release.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.Load AS2.1 Update 3 beta 1
2.Boot summit kernel
3.Observe the box not boot.
Actual Results: Box hangs while bringing up xinitd.
Expected Results: box should boot.
I will attach output files to this bug
Created attachment 96438 [details]
This is the /var/log/messages from the system. The last kenel to boot is the
up kernel. There are 3-4 bad boots in this log.
does this happen if you chkconfig --level 345 irqbalance off
if so, then the kernel is bust in the irq affinity settings on summit;
something that we almost never used before U3
If I run without the irqbalance off I am able to boot just file.
Does the irqbalance demon use the /proc irqaffinity? If so there may
be issues for clusterd apic boxes. I fixed this in 2.5 a while ago
but I don't have a patch for this 2.4.9 kernel tree.
Sorry just read my comment. It should read.
If I run with irqbalance off I am able to boot just fine.
the e.34 kernel works on the x440 in the test lab
Where can I get the e.34 kernel?
we ended up making writes to smp_affinity be noops. any testing is
appreciated. We also haven't seen any stability issues as hinted at
I'll give this kenel some testing and let you know if I have
problems. Would you take a patch to fix clusered apic boxes and irq
affinity? I did this work for v2.6 I should be able to fix it here as
definitely, we can queue those for QU4.
or should say Update 4.
Keith, do you have a patch for this for U4?
Created attachment 97544 [details]
a patch to fix irq affinity for summint and the e.35 summit kernel
Sorry for the delay. This fixes the clusterd apic for the summit
kernel. It is a simple fix. Apics in v2.4 and summit boxes can only
only address one cpu at a time. You can only set affinity to one cpu
at a time.
The current irq deamon tries to mask to multiple cpus at a time.
With summit this maps to getting masked to the first cpu in the mask.
It looks like cpus (with you current irqdeamon) are only getting
mapped to 1/2 the cpus.
Let me know what you think.