Messages in this thread | | | Subject | 2.6.10-rc2-mm2 crashes in early boot | From | Dave Hansen <> | Date | Fri, 19 Nov 2004 16:03:54 -0800 |
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I enabled crashdump on 2.6.10-rc2-mm2 with CONFIG_SMP=y and hit the bug in smp_alloc_memory() because trampoline_base was allocated too high. It needs to be below 0x9F000 and crash_reserve_bootmem() reserves everything below 0xa0000. I'm not sure how this ever worked with SMP.
Here's my .config: http://sprucegoose.sr71.net/~dave/lkcd-config
Commenting out the following line makes it boot:
static inline void crash_reserve_bootmem(void) { if (!dump_enabled) { -------> reserve_bootmem(0, CRASH_RELOCATE_SIZE); reserve_bootmem(CRASH_BACKUP_BASE, CRASH_BACKUP_SIZE + CRASH_RELOCATE_SIZE + PAGE_SIZE); } }
The comments don't quite tell *why* LKCD needs any of the memory. (Oh, wait, there *aren't* any comments :)
-- Dave
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