*** This bug is a duplicate of bug 54621 ***
from Ryan Lortie at 2006-10-14 21:58:07 CEST:
No. This problem is really the problem in bug 54621. Everyone please
look there for the real cause of the problem and a better workaround.
I've made both this bug and its other duplicate (Bug #53985)
Actually, 8mil is the correct value for my 2.0GHz. The author of that
PDF must have misinterpreted my bug report. In reality, the number for
the 1.83 should be lower.
There are tollerances so it doesn't really have to be exact. The
further off it is, though, the more likely it is for odd bugs
appending lpj=1000 at boot fixes this 100% of the time for me.
10mil for 2Ghz
8mil for the 1.8_hz (apparently)
Ryan Lortie said:
No. This problem is really the problem in bug 54621. Everyone please look
there for the real cause of the problem and a better workaround.
Didn't I cite Rob van
Yup. Missed something.
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** Tags added: apple macbook macintel
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No. This problem is really the problem in bug 54621. Everyone please
look there for the real cause of the problem and a better workaround.
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Edgy Beta (Kernel 2.6.17-10-generic) still suffers from this bug!
noapic isn't a good solution since it causes other problems. Does the
addition of acpi=force irqpoll make a difference in that regard?
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Still not fixed with Edgy Beta (Kernel 2.6.17-10-generic)!
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: Needs Info = Confirmed
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Edgy Beta (Kernel 2.6.17-10-generic)
acpi=force irqpoll does not seem to make a difference. I removed
noapic and rebooted, and I needed to retry five times before it wanted
to boot...
But I don't have the reported problems with noapic : my mouse speed is
normal, and it doesn't miss any key.
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I had the same problem with a macbook on an up-to-date edgy system, but
I haven't had any kernel panic since I appended noapic acpi=force
irqpoll to the kernel cmdline.
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This does not appear to be fixed with linux-image-2.6.17-10-generic
(2.6.17-10.26).
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Also see bug #54621 for linux-source-2.6.17 (Ubuntu)
(which is in turn marked as duplicate of bug #53985)
Today I stumbled upon a possible quickfix (didn't try it myself yet, I'm happy
enough I got lilo booting again after a kernel update, but that's a different
story). It's found at:
In bug #53985 Ben Collins says:
(kernel) 2.6.17-8.22 should fix this.
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** Bug 54621 has been marked a duplicate of this bug
** Bug 53985 has been marked a duplicate of this bug
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Well I've dealt with this bug for 3 months I guess I can wait a few more
weeks till Edgy. Lets just hope its really fixed.
Mr. Collins, can we get a little more info than 2.6.17-8.22 should fix
this?
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Hi,
This seems to be te cause of the “APIC kernel panics”:
http://llistes.bulma.net/pipermail/bulmailing/Week-of-
Mon-20060703/077657.html
(it’s in spanish)
According to the above link, recompiling the kernel to use a timing
frequency of 1000 Hz instead of the 250 Hz solves the “panic”
Confirm this on fully updated Dapper with new MacBook.
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Me too! Just got a new white macbook and was hit with this problem. the
-23 version doesn't seem to have it. It seems to sometimes boot and
sometimes not. Disabling noapic has the same sluggish mouse efect. It
would be great to solve this.
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Kernel panic - not syncing: IO-APIC + timer doesn't
Unfortunately, I can confirm that this same problem exists in Edgy with
the 2.6.17 kernel. Can anyone give any more debug output that has not
already been posted yet? Just confirming wont be enough to track the bug
down.
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It seems to be some kind of race condition in the ACPI startup since
sometimes the boot works. Any idea on what would be needed in terms of
debug output to track this down?
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OK, I just got my second panic with the -26 kernel. When I rebooted it
worked again, but obviously the problem is still there; I'm just a
little more lucky than the rest of you. :-)
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I also suffer from this bug. It persists into 2.6.15-26.
Not only does 'noapic' make the mouse sluggish, it misses keys if I type
at full speed. This is unusably bad.
This might be related to Bug #54621.
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Kernel panic - not syncing: IO-APIC + timer doesn't work!
Every time I try to boot (even with -26), I get the error message at
least 5 reboots before it finally boots normally. It seems that if I've
been running a while and then reboot, I never get the message. Like the
message only occurs if my MacBook is not warmed up.
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Kernel panic - not syncing:
With the -26 kernel image, I've only seen the panic once -- the very
first time I booted it. Every time since then (over a dozen boots by
now) it boots OK even without noapic.
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Sorry about posting the irrelevant information.
I booted with the noapic and it fixed the kernel panic but, like Karl
stated, made the mouse very sluggish. Almost unusable. I tried using the
apic=debug boot argument but that did not seem to do anything. I can
also confirm that the kernel panic
I'm seeing this exact problem as well, on the same hardware. The noapic
boot option does seem to solve the problem for me, but unfortunately it
also makes the mouse pointer very sluggish (I imagine it doesn't get
polled often enough by the kernel, or something). The contrast with os X
(or, for
I'm having the same issue..
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I using noapic a valid workaround here? Or will this make some other
features stop working? ( Just so i know how to avoid it for the time
being :)
Thanks!
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You need to confirm that this actually fixes your problem. The problem I
see described in the above links are related to crashdump (kexec/kdump
interaction), which seems nothing like what you are describing. Also,
the fix is in x86_64, which wont affect the -686 kernel image, nor would
it fix a
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