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[bug #29582] Grub Fails free magic error when present with hardware raid
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From: |
Vladimir Serbinenko |
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Subject: |
[bug #29582] Grub Fails free magic error when present with hardware raid logical drive |
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Date: |
Sat, 17 Apr 2010 15:04:34 +0000 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.6) Gecko/20091216 Iceweasel/3.5.8 (like Firefox/3.5.8) |
Follow-up Comment #1, bug #29582 (project grub):
How much RAM do you have? It looks like either BIOS supplies a wrong memory
map or corrupts a high memory. Try applying the following patch:
=== modified file 'kern/i386/pc/init.c'
--- kern/i386/pc/init.c 2010-02-06 23:52:31 +0000
+++ kern/i386/pc/init.c 2010-04-17 15:04:04 +0000
@@ -178,12 +178,12 @@
}
/* Ignore >4GB. */
- if (addr <= 0xFFFFFFFF && type == GRUB_MACHINE_MEMORY_AVAILABLE)
+ if (addr <= 0x7FFFFFFF && type == GRUB_MACHINE_MEMORY_AVAILABLE)
{
grub_size_t len;
- len = (grub_size_t) ((addr + size > 0xFFFFFFFF)
- ? 0xFFFFFFFF - addr
+ len = (grub_size_t) ((addr + size > 0x7FFFFFFF)
+ ? 0x7FFFFFFF - addr
: size);
add_mem_region (addr, len);
}
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