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#1 2009-07-07 23:09:57

jsravn
Member
Registered: 2009-07-07
Posts: 15

"Aiee" kernel panic with 2.6.30 on 64-bit ext4

I'm a longtime linux user, having used red hat, gentoo, ubuntu/debian in the past. I was getting sick of some problems in jaunty so I decided to give arch a shot after some raving from a friend of mine.

Anyways, I've been running into pretty much the same problem on Arch that I had in Jaunty, on two different machines (both dell xeons though). The details of the type of freezing is described in great detail at this 51 page thread over at ubuntuforums: http://ubuntuforums.org/showthread.php? … rnel+panic.

For me it seems related to disk io. Whenever I try to do something disk intensive, such as builds on large projects, my system freezes completely. I got to the point where I could duplicate it 100% with one particular build, and I tried running it in a virtual console with no X. I got a very vague kernel panic, something like "kernel panic: Aiee, killing interrupt handlers!". No other error messages, no errors in any of my logs.

I tried a lot of things, disabling AHCI, moving to Arch, rebuilding on my second machine, nothing fixed it. Pretty frustrating week at work!

Anyways, I was finally able to get a stable system by downgrading to 2.6.28 and nvidia 180.29. Stable as in, I haven't had a single freeze for about 7 hours now which is a big improvement.

So it really seems to me like a kernel bug, possibly related to ext4. Oddly, Jaunty is also on the 2.6.28 kernel so not sure why I had the problem there.

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#2 2009-07-09 09:50:56

Kariddi
Member
Registered: 2009-03-12
Posts: 45

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

maybe your HD is dying?

Try checking it out with the smarttools.

Two years ago I had a similar problem (random freezes ) and I found out that the problem was the HD.

Changed that everything came back to normal.

I would give it a shot just to be sure, cause I use ext4 on my desktop with x86_64 without problems.

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#3 2009-07-09 17:30:13

dreeze
Member
From: Sweden
Registered: 2009-07-09
Posts: 4

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

I have this problem too. It started happening when I upgraded to 2.6.30 and it also happens with 2.6.30.1. It only happens when there is a lot of simultaneous disk access. I doubt it's related to NVidia's driver since I can make it happen outside of X as well.

Before the kernel panic the CPU usage goes to a 100% and the system becomes unresponsive. It won't let me kill the process which is spiking and eventually it either panics or freezes.

Kernel version 2.6.29.4 is the last kernel version that works fine for me. I'm guessing something is up with the ext4-module.

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#4 2009-07-10 20:24:19

Cotton
Member
From: Cornwall, UK
Registered: 2004-09-17
Posts: 568

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

I experienced a kernel panic (preceded by a lot of messages about missing files) when rebooting into kernel 2.6.30.1 after the latest kernel-headers update.
This was on a 32 bit system with ext4 using the testing repository.
Rebooting resulted in an auto fsck and a further reboot which completed normally.

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#5 2009-07-14 16:56:35

jsravn
Member
Registered: 2009-07-07
Posts: 15

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

Yeah I've checked my harddrive. And I've done a memtest. The HD is pretty new actually. I have 0 problems using 2.6.28.8-1. I've been running it for the last week, no reboots, no problems. I just tried upgrading to 2.6.30.1-1, and again it's the same problem. Sometimes I can get a kernel panic message (which seems different each time... I just got a cpu stuck bug), and other times it doesn't write out any error  before freezing. So it seems to me to be a 29/30 regression. No good log messages makes it almost impossible for me to diagnose though... :-(. Note, I'm setting printk to 8 on boot.

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#6 2009-07-14 17:29:24

jsravn
Member
Registered: 2009-07-07
Posts: 15

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

Just want to add that I've upgraded to 2.6.29.4 like dreeze, and am having no problems.

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#7 2009-07-15 18:38:39

jsravn
Member
Registered: 2009-07-07
Posts: 15

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

Not sure, but it may be related to this ticket: https://bugs.launchpad.net/ubuntu/+sour … mments=all. Ubuntu applies some ext4 patches to its kernel that might be in the 30 kernel for us. Grasping at straws... :-P.

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#8 2009-07-15 20:57:02

dreeze
Member
From: Sweden
Registered: 2009-07-09
Posts: 4

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

Hmm... maybe smile I haven't had much time to test this myself. Thought about trying the rc's for 2.6.30 and see when it breaks, but that takes quite a lot of time which I don't have right now. I hope this gets fixed soon. I guessing that the culprit is a busy-wait deadlock somewhere in the ext4 module.

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#9 2009-07-18 11:43:50

dreeze
Member
From: Sweden
Registered: 2009-07-09
Posts: 4

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

They seem to be discussing the same problem on the Gentoo forums: AMD64 system slow/unresponsive during disk access.... The thread is a bit old but the most recent posts seem to be related to the same issue, and they seem to have had similar experiences with the 2.6.29->2.6.30 switch.

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#10 2009-08-30 02:15:59

dreeze
Member
From: Sweden
Registered: 2009-07-09
Posts: 4

Re: "Aiee" kernel panic with 2.6.30 on 64-bit ext4

http://bugzilla.kernel.org/show_bug.cgi?id=12309#c397 might be a fix, haven't had time to try it.

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