Re: kernel panic when using loop device on kernel 2.4.3

From: Jens Axboe (axboe@suse.de)
Date: Wed Apr 18 2001 - 16:39:28 EST


On Wed, Apr 18 2001, Mike Panetta wrote:
> I have been getting kernel panics on kernel 2.4.3
> when using the loop device on a rather regular basis.
> I get a kernel panic but no oops message. The kernel
> panic message says Kernel panic: invalid blocksize passed
> to set_blocksize. I saw that someone else on the list
> has had these problems as well but I have seen no response.

There was a response, I just didn't have time to look at the problem
just yet.

> Has a fix for this bug been posted that I have not seen?
> Is the fix in any current stable or AC kernel? As far as
> I know I am not using any strange options. The only thing
> I can think of would be that multiple people are using the
> loopback device at the same time. This is because the box
> that is having the problems is a build server for a custom
> software distro. We use the loopback filesystem to create
> the boot image. The box is a 4way xeon with 1GB of ram.

For now, just losetup and don't mount directly -- the previous report
had something to do with that, so I'm assuming that's part of the reason
at least.

> Are there any known issues with loopback and SMP? Or even
> loopback and multiple mounts/usage?

No

-- 
Jens Axboe

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