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Date: Wed, 8 Apr 2009 17:03:04 +0400
From: Alexander Beregalov <a.beregalov@...il.com>
To: linux-parisc@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: 2.6.30-rc1: parisc: system hangs on boot at __schedule()
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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