[haiku-bugs] Re: [Haiku] #11896: ARM: arch_mmu assumes RAM starts at 80000000
- From: "pulkomandy" <trac@xxxxxxxxxxxx>
- Date: Thu, 12 Mar 2015 09:16:50 -0000
#11896: ARM: arch_mmu assumes RAM starts at 80000000
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Reporter: kallisti5 | Owner: pdziepak
Type: bug | Status: new
Priority: normal | Milestone: Unscheduled
Component: System/Boot | Version: R1/Development
Loader | Keywords: ARM MMU pfoetchen mmu_man rpi2
Resolution: | Blocking:
Blocked By: | Platform: arm
Has a Patch: 0 |
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Comment (by pulkomandy):
{{{
75 mmu_map_identity: [ 100000 - 300000]
76 get_next_page_table, sNextPageTableAddress 0x104400,
sPageTableRegionEnd 0x300000, type 0x1
77 get_next_page_table, sNextPageTableAddress 0x104800,
sPageTableRegionEnd 0x300000, type 0x1
}}}
Then a bit later:
{{{
107 map_page: vaddr 0x300000, paddr 0x300000
108 *** PANIC ***
}}}
So it would seem the initial identity mapping for that area is not big
enough, and we try to access something at address 0x300000 which was not
properly mapped?
--
Ticket URL: <https://dev.haiku-os.org/ticket/11896#comment:5>
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