On Wed, Apr 05, 2006 at 10:20:44PM +0200, Olivier Crameri wrote:
> Thanks for the answer. I bumped CONFIG_KERNEL_STACK_ORDER to 3, but it
> doesn't help.
I didn't think so, since the symptoms were wrong. However, keep that
in the back of your mind since you're dealing with some piggy parts of
libc.
> When I said that using malloc didn't work, I meant the following: I'm
> using malloc to allocate a buffer in the UML kernel. I'm not passing a
> user level buffer to the system call.
38K isn't big enough for it to fall back to vmalloc, so the pages not
being present probably isn't an issue.
> Then, when I use fread to read
> my file into this buffer, if I read a small number of bytes, it works.
> However when I try to fread the entire file (38k), fread returns 0.
What's the break point between working and non-working?
> Later on, I use sscanf to parse my buffer. No matter what happens,
> sscanf returns 0, which is wrong even if there is no error. The exact
> same code compiled in the host works perfectly.
This, I don't understand.
What version of UML are you using?
Jeff
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