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    Subject2.6.30-rc1: parisc: system hangs on boot at __schedule()
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    Hi

    Machine is HP j6000.
    CPU(s): 2 x PA8700 (PCX-W2) at 750.000000 MHz

    gcc version 4.3.3 (Gentoo 4.3.3-r2 p1.1, pie-10.1.5)


    Machine hangs before starting rc scripts, but SysRq and C-A-Del work.

    All tasks are at __schedule+0x268/0x7bc:


    __schedule is at 0x278 in sched.o
    plus 268 it is 0x4e0

    454: 2b 60 00 00 addil L%0,dp,r1
    454: R_PARISC_DPREL21L rt_sched_class
    458: 34 24 00 00 ldo 0(r1),r4
    458: R_PARISC_DPREL14R rt_sched_class
    45c: 48 96 00 28 ldw 14(r4),r22
    460: 08 05 02 5a copy r5,r26
    464: e6 c0 20 00 be,l 0(sr4,r22),sr0,r31
    468: 08 1f 02 42 copy r31,rp
    46c: cb 3c 3f d7 movb,=,n ret0,r25,45c <__schedule+0x1e4>
    470: 0c 80 10 84 ldw 0(r4),r4
    474: 80 d9 28 da cmpb,=,n r25,r6,8e8 <__schedule+0x670>
    478: 68 b9 08 08 stw r25,404(r5)
    47c: 48 bc 00 70 ldw 38(r5),ret0
    480: 48 bd 00 78 ldw 3c(r5),ret1
    484: b7 bd 00 02 addi 1,ret1,ret1
    488: 08 1c 07 1c add,c ret0,r0,ret0
    48c: 68 bc 00 70 stw ret0,38(r5)
    490: 68 bd 00 78 stw ret1,3c(r5)
    494: 0d a0 10 93 ldw 0(r13),r19
    498: 36 73 00 02 ldo 1(r19),r19
    49c: 0d b3 12 80 stw r19,0(r13)
    4a0: 4b 34 01 b0 ldw d8(r25),r20
    4a4: 86 80 22 c8 cmpib,= 0,r20,610 <__schedule+0x398>
    4a8: 48 d5 01 b8 ldw dc(r6),r21
    4ac: 82 95 20 3a cmpb,=,n r21,r20,4d0 <__schedule+0x258>
    4b0: 4a 9c 00 48 ldw 24(r20),ret0
    4b4: 22 60 0e 01 ldil L%-10000000,r19
    4b8: 0a 7c 0a 3c add,l ret0,r19,ret0
    4bc: 03 3c 18 40 mtctl ret0,tr1
    4c0: 4a 93 02 d0 ldw 168(r20),r19
    4c4: 00 13 d8 20 mtsp r19,sr3
    4c8: d6 73 08 21 depw,z r19,30,31,r19
    4cc: 01 13 18 40 mtctl r19,pidr1
    4d0: 48 dc 01 b0 ldw d8(r6),ret0
    4d4: 87 80 22 52 cmpib,=,n 0,ret0,604 <__schedule+0x38c>
    4d8: e8 00 a0 00 b,l 4e0 <__schedule+0x268>,rp
    4d8: R_PARISC_PCREL22F _switch_to
    4dc: 08 06 02 5a copy r6,r26
    4e0: 08 11 02 44 copy r17,r4
    4e4: 03 c0 08 b3 mfctl tr6,r19
    4e8: 4a 74 00 20 ldw 10(r19),r20
    4ec: 08 1c 02 59 copy ret0,r25
    4f0: 0e 54 20 9a ldw,s r20(r18),r26
    4f4: e8 00 a0 00 b,l 4fc <__schedule+0x284>,rp
    4f4: R_PARISC_PCREL22F finish_task_switch
    4f8: 0b 44 0a 3a add,l r4,r26,r26
    4fc: 03 c0 08 bc mfctl tr6,ret0
    500: 4b 8a 00 20 ldw 10(ret0),r10
    504: 0e 4a 20 93 ldw,s r10(r18),r19
    508: 0a 64 0a 25 add,l r4,r19,r5
    50c: 03 c0 08 bc mfctl tr6,ret0
    510: 0f 80 10 93 ldw 0(ret0),r19
    514: 4a 74 00 28 ldw 14(r19),r20
    518: 8e 80 60 20 cmpib,> 0,r20,530 <__schedule+0x2b8>
    51c: 48 62 3f d9 ldw -14(r3),rp
    520: e8 00 a0 00 b,l 528 <__schedule+0x2b0>,rp
    520: R_PARISC_PCREL22F __reacquire_kernel_lock


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