Re: Strange 2.2.X hard hang....

Matthias Hanisch (matze@camline.com)
Tue, 21 Sep 1999 16:20:44 +0200 (MEST)


On Tue, 21 Sep 1999, Alan Cox wrote:

> > 1) LILO loads kernel, kernel starts decompressing, and quickly hangs
> > with "Out of Memory" ... some kernels that I build just always fail like
> > this, some kernels that I build happen to get past decompression without
> > problems.... I can't see any obvious pattern to which ones have this
> > problem
>
> There is a patch for this (it uses gzip -3 not gzip -9 to avoid running
> out of boot workspace). That will make the rest of life easier.

I think the right fix is to increase the HEAP_SIZE to a sane value (which
got into 2.3.15 BTW).

--- v2.3.14/linux/arch/i386/boot/compressed/misc.c Wed Jun 24 14:30:08 1998
+++ linux/arch/i386/boot/compressed/misc.c Thu Aug 19 10:49:13 1999
@@ -104,7 +104,7 @@
#define LOW_BUFFER_START 0x2000
#define LOW_BUFFER_END 0x90000
#define LOW_BUFFER_SIZE ( LOW_BUFFER_END - LOW_BUFFER_START )
-#define HEAP_SIZE 0x2000
+#define HEAP_SIZE 0x3000
static int high_loaded =0;
static uch *high_buffer_start /* = (uch *)(((ulg)&end) + HEAP_SIZE)*/;

-- 
Matthias Hanisch   office: matze@camline.com   private: matze@pingu.franken.de
                           +49 8137 935-219             +49 8441 82387

"CAPS - Software from Experts for Experts"

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