Does the line
[161519.338536] do_page_fault() command='mlton-compile' type=15
address=0x00000002 in mlton-compile[10000+12c9000]
mean it is trying to fetch from address 2???
On Thu, Jan 6, 2022 at 2:18 PM John David Anglin <dave.ang...@bell.net> wrote:
>
> Some additional info:
> [161513.075587] mlton-compile(27627): unaligned access to 0x0000000008011ef9
> at ip=0x0000000000b53d73
> [161513.365382] mlton-compile(27627): unaligned access to 0x0000000008011ef9
> at ip=0x0000000000b53d73
> [161519.322624] handle_unaligned: 67 callbacks suppressed
> [161519.322668] mlton-compile(27627): unaligned access to 0x00000000080908c9
> at ip=0x0000000000dbc84f
> [161519.323263] mlton-compile(27627): unaligned access to 0x00000000080908ce
> at ip=0x0000000000dbc84f
> [161519.326435] mlton-compile(27627): unaligned access to 0x0000000008011d11
> at ip=0x0000000000dc13fb
> [161519.329577] mlton-compile(27627): unaligned access to 0x0000000008011d11
> at ip=0x0000000000db98cb
> [161519.331724] mlton-compile(27627): unaligned access to 0x0000000008011d11
> at ip=0x0000000000db98f3
>
> [161519.338536] do_page_fault() command='mlton-compile' type=15
> address=0x00000002 in mlton-compile[10000+12c9000]
> trap #15: Data TLB miss fault
> [161519.341747] CPU: 0 PID: 27627 Comm: mlton-compile Not tainted 5.16.0-rc8+
> #1
> [161519.341770] Hardware name: 9000/800/rp3440
>
> [161519.341792] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
> [161519.341802] PSW: 00000000000001101011111000001111 Not tainted
> [161519.341818] r00-03 000000ff0006be0f 0000000000010e10 000000000809874c
> 00000000012efdf0
> [161519.341839] r04-07 0000000000000000 00000000838ede14 0000000008055634
> 00000000012efe04
> [161519.341855] r08-11 00000000012f0014 00000000012f00a0 0000000008011f13
> 00000000100dcf74
> [161519.341873] r12-15 00000000012f0010 00000000012f007c 0000000008011f13
> 00000000012f0088
> [161519.341890] r16-19 00000000012f00b0 00000000012f0044 00000000100dcf70
> 0000000080000829
> [161519.341907] r20-23 0000000000000000 0000000008044828 0000000000dfd2a8
> 0000000000000006
> [161519.341924] r24-27 0000000000000000 0000000008055628 00000000012efdf0
> 00000000012d9110
> [161519.341941] r28-31 0000000000000002 0000000000000000 00000000f9af49c0
> 0000000000000000
> [161519.341959] sr00-03 0000000006189000 0000000000000000 0000000000000000
> 0000000006189000
> [161519.341978] sr04-07 0000000006189000 0000000006189000 0000000006189000
> 0000000006189000
>
> [161519.342006] VZOUICununcqcqcqcqcqcrmunTDVZOUI
> [161519.342016] FPSR: 10001100000011101101000000000000
> [161519.342026] FPER1: 00000000
> [161519.342037] fr00-03 8c0ed00000000000 0000000000000000 0000000000000000
> 0000000000000000
> [161519.342053] fr04-07 3b9aca0000000000 61d72b5800000000 16c7bfa123237000
> 00000001020c49ba
> [161519.342070] fr08-11 0000000000000001 0000000000000000 0000000000000000
> 0000000000000000
> [161519.342087] fr12-15 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [161519.342103] fr16-19 0000000000000000 0000000000000000 0000000000000000
> 0000000000000000
> [161519.342118] fr20-23 0000000000000000 0000000000000000 0000004100000011
> 0000000000000104
> [161519.342137] fr24-27 3f7fc07f01fc07f0 4100000000020bd8 41af218000000000
> 0000000000000000
> [161519.342157] fr28-31 2deb33a075f5d1c1 6b17d1f2508fe882 d898c29600000000
> 0000000000000000
>
> [161519.342191] IASQ: 0000000006189000 0000000006189000 IAOQ:
> 0000000000dc0ea7 0000000000dc0eab
> [161519.342207] IIR: 0f801094 ISR: 0000000006189000 IOR: 0000000000000002
> [161519.342221] CPU: 0 CR30: 00000000559f0430 CR31: ffffffffffffffff
> [161519.342236] ORIG_R28: 0000000000000000
> [161519.342246] IAOQ[0]: 0000000000dc0ea7
> [161519.342257] IAOQ[1]: 0000000000dc0eab
> [161519.342267] RP(r2): 000000000809874c
>
> dc0e90: 0c 80 10 9c ldw 0(r4),ret0
> dc0e94: e8 1f 0f 05 b,l dc061c
> <_GLOBAL_OFFSET_TABLE_@@Base-0x52f788>,r0
> dc0e98: d0 95 1b c1 extrw,u r4,30,31,r21
>
> dc0e9c: 4b c2 3e 59 ldw -d4(sp),rp
> dc0ea0: 08 4b 04 15 sub r11,rp,r21
> dc0ea4: 0f 80 10 94 ldw 0(ret0),r20
> dc0ea8: 0d 74 12 99 stw r20,-4(r11)
> dc0eac: 0f 95 12 80 stw r21,0(ret0)
> dc0eb0: 0d 79 10 9c ldw -4(r11),ret0
> dc0eb4: d3 94 1b ff extrw,u ret0,31,1,r20
> dc0eb8: 86 80 3f d7 cmpib,=,n 0,r20,dc0ea8
> <_GLOBAL_OFFSET_TABLE_@@Base-0x52eefc>
> dc0ebc: 0f 80 10 94 ldw 0(ret0),r20
> dc0ec0: e8 1f 0b cd b,l dc04ac
> <_GLOBAL_OFFSET_TABLE_@@Base-0x52f8f8>,r0
> dc0ec4: d3 94 1b c1 extrw,u ret0,30,31,r20
>
> Fault occurs on load "ldw 0(ret0),r20" instruction.
>
> Regards,
> Dave Anglin
>
> --
> John David Anglin dave.ang...@bell.net
>
