Re: [PATCH 00/10] AXFS: Advanced XIP filesystem

From: Will Marone
Date: Fri Aug 22 2008 - 18:11:25 EST


Geert Uytterhoeven wrote:
I gave AxFS a try on PS3 (ppc64, always use big-endian 64-bit for testing new
code ;-).
When mounting the image, I got the crash below:

| attempt to access beyond end of device
| loop0: rw=0, want=4920, limit=4912
| Unable to handle kernel paging request for data at address 0x00000028
| Faulting instruction address: 0xd000000000037988
| Oops: Kernel access of bad area, sig: 11 [#1]
| SMP NR_CPUS=2 PS3

When mounting (also on PS3) an image created on ia32, I get a different crash:

| axfs: wrong magic
^^^^^^^^^^^^^^^^^
| Unable to handle kernel paging request for data at address 0x000003a8
| Faulting instruction address: 0xd0000000000355f0
| Oops: Kernel access of bad area, sig: 11 [#1]
| SMP NR_CPUS=2 PS
Geert,

Thanks for giving it a spin, especially on a platform as different from ours as the PS3.

Before I dig more into what happened, I was wondering if you could tell me a bit more
about your environment, particularly how you supplied the filesystem to the kernel and
your mount commandline (also, if you used a boot commandline, what it was.)

My first guess would be a ppc64 compiled UML session, but I'd like to be a bit more sure.


Will Marone
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/