On 05/15/2012 09:46 PM, John David Anglin wrote:
On 5/15/2012 3:24 PM, John David Anglin wrote:
James patch now let my 715/64 boot, but still crashes on my B160L:
swapper (pid 1): Illegal instruction (code 8)
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001110000100001111 Not tainted
r00-03 0004e10f 00000020 101198cc 17c245c0
r04-07 ffeff000 17ec05f8 007d4000 17e60260
r08-11 17c5100b fffff000 17e60310 00020000
r12-15 00000ffc 0000000b 00000000 ffeff000
r16-19 007d4000 10768020 10000000 17c22db8
r20-23 17c245c8 108fc000 00000001 00000020
r24-27 000007d4 0f2fffe0 0000fa80 106e2020
r28-31 0f2ff000 000074ee 17c24640 000072e6
sr00-03 00000000 00000001 00000000 00000000
sr04-07 00000000 00000000 00000000 00000000
IASQ: 00000000 00000000 IAOQ: 1010118c 10101190
IIR: 078113e0 ISR: 00000000 IOR: 0f2ff000
CPU: 0 CR30: 17c24000 CR31: f0102978
ORIG_R28: 17ebbe40
IAOQ[0]: flush_icache_page_asm+0x28/0x7c
IAOQ[1]: flush_icache_page_asm+0x2c/0x7c
RP(r2): flush_cache_page+0x90/0xb0
Backtrace:
This one is in a different place: flush_icache_page_asm. It has
crashed on the first fic,m instruction. Again it is an illegal
instruction.
Looking at the PA 1.1 arch, I see that the space register needs to be
explicitly specified on PA 1.1 (format 26). The implicit (format 24)
instruction was added in PA 2.0.
Could you try adding %sr0 to the fic instructions?
no illegal instruction any longer, but "bad address"....
I changed all to " fic,m %r1(%sr0,%r28)"
Freeing unused kernel memory: 320k freed
Backtrace:
[<101198cc>] flush_cache_page+0x90/0xb0
[<101b9b84>] do_wp_page+0x1e0/0x7b4
[<101bb970>] handle_pte_fault+0x284/0x7c0
[<101bbf74>] handle_mm_fault+0xc8/0x120
[<10118cc8>] do_page_fault+0x228/0x2d0
[<1011a838>] handle_interruption+0x1d4/0x6c4
[<10105078>] intr_check_sig+0x0/0x34
Bad Address (null pointer deref?): Code=17 regs=17c244c0 (Addr=0f17d000)
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001111100100001111 Not tainted
r00-03 0004f90f 00000020 101198cc 17c24440
r04-07 4017d4c4 17ebf498 007cd000 007cdb05
r08-11 17ebee40 17ec55f4 107eb7c0 10768020
r12-15 000007cd 17ebee74 000005f4 00050000
r16-19 17c23098 17c24140 0011849c 17c22db8
r20-23 0000004b 108fc000 00000000 00000000
r24-27 000007cd 0f17dfe0 0000f9a0 106e2020
r28-31 0f17d000 17c23098 17c244c0 6fffffff
sr00-03 00000800 00000001 00000000 00000001
sr04-07 00000000 00000000 00000000 00000000
IASQ: 00000000 00000000 IAOQ: 1010118c 10101190
IIR: 078102a0 ISR: 00000800 IOR: 0f17d000
CPU: 0 CR30: 17c24000 CR31: f0102978
ORIG_R28: 17c51000
IAOQ[0]: flush_icache_page_asm+0x28/0x7c
IAOQ[1]: flush_icache_page_asm+0x2c/0x7c
RP(r2): flush_cache_page+0x90/0xb0
Backtrace:
[<101198cc>] flush_cache_page+0x90/0xb0
[<101b9b84>] do_wp_page+0x1e0/0x7b4
[<101bb970>] handle_pte_fault+0x284/0x7c0
[<101bbf74>] handle_mm_fault+0xc8/0x120
[<10118cc8>] do_page_fault+0x228/0x2d0
[<1011a838>] handle_interruption+0x1d4/0x6c4
[<10105078>] intr_check_sig+0x0/0x34
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