Messages in this thread | | | Subject | Linux 2.6.21.1 early putstr() fails on ARM | From | Mattias Rönnblom <> | Date | 14 May 2007 19:14:56 +0200 |
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Hi all.
I just tried updating Linux 2.6.16 to 2.6.21.1 on our IXP420-based board, but I've run into some trouble. Except for some modifications to the PCI setup code, the tree is unmodified. GCC is 3.4.3 and Binutils 2.15.94.
During the decompression stage, the kernel "Uncompressing Linux..." printout is garbled. When digging into this I found that the string passed to putstr() is not "Uncompressing Linux...", but rather something much longer containing a lot of unprintable characters. putc() as such works fine, and putting "putc('A');" into the decompress_kernel function (arch/arm/boot/compressed/misc.c), for example, prints a nice "A" on the console.
From what limited experience I have of these sorts of things I came to the conclusion that maybe the linking wasn't done correctly. But replacing the previously mentioned toolchain with CodeSourcery's pre-built GCC 4.2.0 and Binutils 2.17 didn't make any difference.
Besides our old (and working, on 2.6.16) .config, I've been trying all kinds of configs (including ixp4xx_defconfig) without success.
What might I be doing wrong? Any help is appreciated.
Regards, Mattias
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