From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3D459176.CE30C05A@broadcom.com> Date: Mon, 29 Jul 2002 12:03:18 -0700 From: "James Dougherty" MIME-Version: 1.0 To: linuxppc-embedded@lists.linuxppc.org, jfd@broadcom.com Subject: Re: Problems with mount system call -- cannot mount procfs! References: <3D458D46.D3511AAE@broadcom.com> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Hi Guys, Here is the same trace of something going awry using 2.4.19-rc3 (latest as of last Friday) from rsynch with MVista linux_2_4_devel: Booting image at 00100000 ... Image Name: vmlinux.bin.gz Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 616969 Bytes = 602 kB = 0 MB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK arch: exit mpc8245_epic_init_ok ttyS00000000 iomem=f7f91500 port=f7f91500 irq=00000018 name=c012391c type=00000003 Memory BAT mapping: BAT2=64Mb, BAT3=0Mb, residual: 0Mb Linux version 2.4.19-rc3 (jfd@que) (gcc version 2.95.3 20010111 (prerelease/franzo/20010111)) #345 Mon Jul 29 11:47:09 PDT 2002 PPCBoot Environment: 0xc015fa38 IP PNP: 802.3 Ethernet Address=<0:0:10:18:10:10> cpu0: MPC8245/KAHLUA-II : BMW Platform : 64MB RAM: BPLD Rev. 6e NOTICE: mounting root file system via NFS IP PNP: switch-2: eth0 IP 172.16.40.114/255.255.240.0 gateway 10.16.64.1 server 172.16.40.111 On node 0 totalpages: 16384 zone(0): 16384 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: time_init: decrementer frequency = 16.501145 MHz Calibrating delay loop... 175.71 BogoMIPS Memory: 62920k available (1104k kernel code, 392k data, 88k init, 0k highmem) Dentry cache hash table entries: 8192 (order: 4, 65536 bytes) Inode cache hash table entries: 4096 (order: 3, 32768 bytes) Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) register_filesystem find_filesystem init_rootfs ok:0 init_mount_tree find_filesystem do_kern_mount:rootfs alloc_vfsmnt alloc ok get_sb_dev get_sb_nodev get_sb_nodev - ok register_filesystem find_filesystem find_filesystem do_kern_mount:bdev alloc_vfsmnt alloc ok get_sb_dev get_sb_nodev get_sb_nodev - ok Oops: Exception in kernel mode, sig: 4 NIP: C0040378 XER: 00000000 LR: C003F834 SP: C013A370 REGS: c013a2c0 TRAP: 0700 Not tainted MSR: 00089032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 TASK = c0138420[0] 'swapper' Last syscall: 0 last math 00000000 last altivec 00000000 GPR00: 3FFBFC8C C013A370 C0138420 C02B3200 00000000 00000000 C013A340 C0160000 GPR08: 00000552 C013AFC0 C01449C8 C013A290 22004022 62FAB95F 03FEB000 007FFF00 GPR16: 00000000 00000001 007FFF00 FFFFFFFF 003FF000 00000000 03DBDFD4 00000001 GPR24: 00000000 03FED2E4 00000000 00000000 00000000 C013C5AC 00000000 C02B3200 Call backtrace: C003F7FC C003FA68 C003FCF4 C0155B04 C0155F10 C014E4EC 00003788 Kernel panic: Attempted to kill the idle task! In idle task - not syncing <0>Rebooting in 180 seconds.. c0040374 : c0040374: 94 21 ff f0 stwu r1,-16(r1) c0040378: 7c 08 02 a6 mflr r0 c004037c: bf c1 00 08 stmw r30,8(r1) c0040380: 90 01 00 14 stw r0,20(r1) c003f7b4 : c003f7b4: 94 21 ff e0 stwu r1,-32(r1) c003f7b8: 7c 08 02 a6 mflr r0 c003f7bc: bf 81 00 10 stmw r28,16(r1) c003f7c0: 90 01 00 24 stw r0,36(r1) c003f7c4: 7c 7d 1b 78 mr r29,r3 c003f7c8: 3c 60 c0 12 lis r3,-16366 c003f7cc: 7c dc 33 78 mr r28,r6 c003f7d0: 7c 9e 23 78 mr r30,r4 c003f7d4: 38 63 93 74 addi r3,r3,-27788 c003f7d8: 4b fd 6a 09 bl c00161e0 c003f7dc: 38 80 00 00 li r4,0 c003f7e0: 38 a0 00 00 li r5,0 c003f7e4: 7f a3 eb 78 mr r3,r29 c003f7e8: 4b ff fb b1 bl c003f398 c003f7ec: 7c 7f 1b 78 mr r31,r3 c003f7f0: 3c 60 c0 12 lis r3,-16366 c003f7f4: 38 63 93 84 addi r3,r3,-27772 c003f7f8: 4b fd 69 e9 bl c00161e0 c003f7fc: 20 1f fc 18 subfic r0,r31,-1000 c003f800: 7c 00 01 10 subfe r0,r0,r0 c003f804: 7c 00 00 d0 neg r0,r0 c003f808: 2c 00 00 00 cmpwi r0,0 c003f80c: 41 82 00 0c beq c003f818 c003f810: 7f e3 fb 78 mr r3,r31 c003f814: 48 00 00 74 b c003f888 c003f998 : c003f998: 94 21 ff e0 stwu r1,-32(r1) c003f99c: 7c 08 02 a6 mflr r0 c003f9a0: bf 41 00 08 stmw r26,8(r1) c003f9a4: 90 01 00 24 stw r0,36(r1) c003f9a8: 7c bc 2b 78 mr r28,r5 c003f9ac: 7c 9b 23 78 mr r27,r4 c003f9b0: 7c da 33 78 mr r26,r6 c003f9b4: 4b ff f0 6d bl c003ea20 c003f9b8: 3b e0 ff f4 li r31,-12 c003f9bc: 7c 7d 1b 78 mr r29,r3 c003f9c0: 3c 60 c0 12 lis r3,-16366 c003f9c4: 38 63 93 a8 addi r3,r3,-27736 c003f9c8: 7f 84 e3 78 mr r4,r28 c003f9cc: 4b fd 68 15 bl c00161e0 c003f9d0: 2c 1d 00 00 cmpwi r29,0 c003f9d4: 38 60 ff ed li r3,-19 c003f9d8: 41 82 01 50 beq c003fb28 c003f9dc: 7f 83 e3 78 mr r3,r28 c003f9e0: 48 01 31 8d bl c0052b6c c003f9e4: 7c 7e 1b 79 mr. r30,r3 c003f9e8: 41 82 01 34 beq c003fb1c c003f9ec: 80 1d 00 04 lwz r0,4(r29) c003f9f0: 70 09 00 01 andi. r9,r0,1 c003f9f4: 41 82 00 28 beq c003fa1c c003f9f8: 3c 60 c0 12 lis r3,-16366 c003f9fc: 38 63 93 bc addi r3,r3,-27716 c003fa00: 4b fd 67 e1 bl c00161e0 c003fa04: 7f 64 db 78 mr r4,r27 c003fa08: 7f 85 e3 78 mr r5,r28 c003fa0c: 7f 46 d3 78 mr r6,r26 c003fa10: 7f a3 eb 78 mr r3,r29 c003fa14: 4b ff fb 19 bl c003f52c c003fa18: 48 00 00 50 b c003fa68 c003fa1c: 70 09 00 08 andi. r9,r0,8 c003fa20: 41 82 00 28 beq c003fa48 c003fa24: 3c 60 c0 12 lis r3,-16366 c003fa28: 38 63 93 98 addi r3,r3,-27752 c003fa2c: 4b fd 67 b5 bl c00161e0 c003fa30: 7f 64 db 78 mr r4,r27 c003fa34: 7f 85 e3 78 mr r5,r28 c003fa38: 7f 46 d3 78 mr r6,r26 c003fa3c: 7f a3 eb 78 mr r3,r29 c003fa40: 4b ff fe 65 bl c003f8a4 c003fa44: 48 00 00 24 b c003fa68 c003fa48: 3c 60 c0 12 lis r3,-16366 c003fa4c: 38 63 93 68 addi r3,r3,-27800 c003fa50: 4b fd 67 91 bl c00161e0 c003fa54: 7f 64 db 78 mr r4,r27 c003fa58: 7f 85 e3 78 mr r5,r28 c003fa5c: 7f 46 d3 78 mr r6,r26 c003fa60: 7f a3 eb 78 mr r3,r29 c003fa64: 4b ff fd 51 bl c003f7b4 c003fa68: 7c 7f 1b 78 mr r31,r3 c003fcd4 : c003fcd4: 94 21 ff f0 stwu r1,-16(r1) c003fcd8: 7c 08 02 a6 mflr r0 c003fcdc: 90 01 00 14 stw r0,20(r1) c003fce0: 80 63 00 00 lwz r3,0(r3) c003fce4: 38 80 00 00 li r4,0 c003fce8: 38 c0 00 00 li r6,0 c003fcec: 7c 65 1b 78 mr r5,r3 c003fcf0: 4b ff fc a9 bl c003f998 c003fcf4: 80 01 00 14 lwz r0,20(r1) c003fcf8: 7c 08 03 a6 mtlr r0 c003fcfc: 38 21 00 10 addi r1,r1,16 c003fd00: 4e 80 00 20 blr c0155a6c : c0155a6c: 94 21 ff f0 stwu r1,-16(r1) c0155a70: 7c 08 02 a6 mflr r0 c0155a74: 90 01 00 14 stw r0,20(r1) c0155a78: 38 00 00 40 li r0,64 c0155a7c: 7c 09 03 a6 mtctr r0 c0155a80: 3d 20 c0 17 lis r9,-16361 c0155a84: 39 29 08 28 addi r9,r9,2088 c0155a88: 91 29 00 00 stw r9,0(r9) c0155a8c: 91 29 00 04 stw r9,4(r9) c0155a90: 39 29 00 08 addi r9,r9,8 c0155a94: 42 00 ff f4 bdnz c0155a88 c0155a98: 3c 60 c0 12 lis r3,-16366 c0155a9c: 3c e0 c0 04 lis r7,-16380 c0155aa0: 38 63 94 30 addi r3,r3,-27600 c0155aa4: 38 e7 04 68 addi r7,r7,1128 c0155aa8: 38 80 00 34 li r4,52 c0155aac: 38 a0 00 00 li r5,0 c0155ab0: 38 c0 20 00 li r6,8192 c0155ab4: 39 00 00 00 li r8,0 c0155ab8: 4b ed a0 5d bl c002fb14 c0155abc: 2c 03 00 00 cmpwi r3,0 c0155ac0: 3d 20 c0 16 lis r9,-16362 c0155ac4: 90 69 42 e0 stw r3,17120(r9) c0155ac8: 40 82 00 10 bne c0155ad8 c0155acc: 3c 60 c0 12 lis r3,-16366 c0155ad0: 38 63 94 3c addi r3,r3,-27588 c0155ad4: 4b eb fd 71 bl c0015844 c0155ad8: 3c 60 c0 14 lis r3,-16364 c0155adc: 38 63 c5 ac addi r3,r3,-14932 c0155ae0: 4b ee 8b b1 bl c003e690 c0155ae4: 2c 03 00 00 cmpwi r3,0 c0155ae8: 41 82 00 10 beq c0155af8 c0155aec: 3c 60 c0 12 lis r3,-16366 c0155af0: 38 63 94 60 addi r3,r3,-27552 c0155af4: 4b eb fd 51 bl c0015844 c0155af8: 3c 60 c0 14 lis r3,-16364 c0155afc: 38 63 c5 ac addi r3,r3,-14932 c0155b00: 4b ee a1 d5 bl c003fcd4 c0155b04: 20 03 fc 18 subfic r0,r3,-1000 c0155e28 : c0155e28: 94 21 ff f0 stwu r1,-16(r1) c0155e2c: 7c 08 02 a6 mflr r0 c0155e30: 93 e1 00 0c stw r31,12(r1) c0155e34: 90 01 00 14 stw r0,20(r1) c0155e38: 7c 7f 1b 78 mr r31,r3 c0155e3c: 3c 60 c0 12 lis r3,-16366 c0155e40: 3c e0 c0 05 lis r7,-16379 c0155e44: 38 63 9a b0 addi r3,r3,-25936 c0155e48: 38 e7 fd 34 addi r7,r7,-716 c0155e4c: 38 80 00 60 li r4,96 c0155e50: 38 a0 00 00 li r5,0 c0155e54: 38 c0 20 00 li r6,8192 c0155e58: 39 00 00 00 li r8,0 c0155e5c: 4b ed 9c b9 bl c002fb14 c0155e60: 2c 03 00 00 cmpwi r3,0 c0155e64: 3d 20 c0 16 lis r9,-16362 c0155e68: 90 69 43 08 stw r3,17160(r9) c0155e6c: 40 82 00 10 bne c0155e7c c0155e70: 3c 60 c0 12 lis r3,-16366 c0155e74: 38 63 9a bc addi r3,r3,-25924 c0155e78: 4b eb f9 cd bl c0015844 c0155e7c: 3c 60 c0 12 lis r3,-16366 c0155e80: 38 63 9a e4 addi r3,r3,-25884 c0155e84: 38 80 10 00 li r4,4096 c0155e88: 38 a0 00 00 li r5,0 c0155e8c: 38 c0 20 00 li r6,8192 c0155e90: 38 e0 00 00 li r7,0 c0155e94: 39 00 00 00 li r8,0 c0155e98: 4b ed 9c 7d bl c002fb14 c0155e9c: 2c 03 00 00 cmpwi r3,0 c0155ea0: 3d 20 c0 16 lis r9,-16362 c0155ea4: 90 69 42 fc stw r3,17148(r9) c0155ea8: 40 82 00 10 bne c0155eb8 c0155eac: 3c 60 c0 12 lis r3,-16366 c0155eb0: 38 63 9a f0 addi r3,r3,-25872 c0155eb4: 4b eb f9 91 bl c0015844 c0155eb8: 3c 60 c0 12 lis r3,-16366 c0155ebc: 38 63 9b 10 addi r3,r3,-25840 c0155ec0: 38 80 00 68 li r4,104 c0155ec4: 38 a0 00 00 li r5,0 c0155ec8: 38 c0 20 00 li r6,8192 c0155ecc: 38 e0 00 00 li r7,0 c0155ed0: 39 00 00 00 li r8,0 c0155ed4: 4b ed 9c 41 bl c002fb14 c0155ed8: 2c 03 00 00 cmpwi r3,0 c0155edc: 3d 20 c0 16 lis r9,-16362 c0155ee0: 90 69 43 00 stw r3,17152(r9) c0155ee4: 40 82 00 10 bne c0155ef4 c0155ee8: 3c 60 c0 12 lis r3,-16366 c0155eec: 38 63 9b 18 addi r3,r3,-25832 c0155ef0: 4b eb f9 55 bl c0015844 c0155ef4: 7f e3 fb 78 mr r3,r31 c0155ef8: 4b ff fd f1 bl c0155ce8 c0155efc: 7f e3 fb 78 mr r3,r31 c0155f00: 48 00 00 29 bl c0155f28 c0155f04: 7f e3 fb 78 mr r3,r31 c0155f08: 48 00 01 cd bl c01560d4 c0155f0c: 4b ff fb 61 bl c0155a6c c0155f10: 4b ff fc 2d bl c0155b3c c014e3f8 : c014e3f8: 94 21 ff d0 stwu r1,-48(r1) c014e3fc: 7c 08 02 a6 mflr r0 c014e400: bf a1 00 24 stmw r29,36(r1) c014e404: 90 01 00 34 stw r0,52(r1) c014e408: 3d 20 c0 15 lis r9,-16363 c014e40c: 80 69 88 f4 lwz r3,-30476(r9) c014e410: 4b ec 7d d1 bl c00161e0 c014e414: 38 61 00 08 addi r3,r1,8 c014e418: 48 00 0f 6d bl c014f384 c014e41c: 3c 60 c0 11 lis r3,-16367 c014e420: 3c 80 c0 16 lis r4,-16362 c014e424: 38 84 58 24 addi r4,r4,22564 c014e428: 38 63 40 84 addi r3,r3,16516 c014e42c: 4b ec 7d b5 bl c00161e0 c014e430: 80 61 00 08 lwz r3,8(r1) c014e434: 4b ff fe 2d bl c014e260 c014e438: 48 00 0b 11 bl c014ef48 c014e43c: 48 00 0b 11 bl c014ef4c c014e440: 48 00 58 99 bl c0153cd8 c014e444: 48 00 5c b9 bl c01540fc c014e448: 48 00 0b 49 bl c014ef90 c014e44c: 48 00 8d fd bl c0157248 c014e450: 48 00 5c 89 bl c01540d8 c014e454: 3d 20 c0 16 lis r9,-16362 c014e458: 80 09 42 20 lwz r0,16928(r9) c014e45c: 2c 00 00 00 cmpwi r0,0 c014e460: 41 82 00 44 beq c014e4a4 c014e464: 3d 20 c0 11 lis r9,-16367 c014e468: 3d 60 c0 00 lis r11,-16384 c014e46c: 39 6b 00 00 addi r11,r11,0 c014e470: 39 29 3f b8 addi r9,r9,16312 c014e474: 7d 2b 48 50 subf r9,r11,r9 c014e478: 7d 29 04 30 srw r9,r9,r0 c014e47c: 55 23 10 3a rlwinm r3,r9,2,0,29 c014e480: 3d 60 c0 16 lis r11,-16362 c014e484: 3c a0 3f ff lis r5,16383 c014e488: 91 2b 42 1c stw r9,16924(r11) c014e48c: 38 63 0f ff addi r3,r3,4095 c014e490: 38 80 00 20 li r4,32 c014e494: 60 a5 ff ff ori r5,r5,65535 c014e498: 48 00 6b 85 bl c015501c <__alloc_bootmem> c014e49c: 3d 20 c0 16 lis r9,-16362 c014e4a0: 90 69 42 18 stw r3,16920(r9) c014e4a4: 48 00 60 71 bl c0154514 c014e4a8: 4b eb 98 29 bl c0007cd0 <__cli_end> c014e4ac: 4b ff fc 25 bl c014e0d0 c014e4b0: 48 00 48 41 bl c0152cf0 c014e4b4: 48 00 61 11 bl c01545c4 c014e4b8: 3d 60 c0 16 lis r11,-16362 c014e4bc: 80 0b 42 64 lwz r0,16996(r11) c014e4c0: 2c 00 00 00 cmpwi r0,0 c014e4c4: 40 82 00 10 bne c014e4d4 c014e4c8: 3d 20 c0 16 lis r9,-16362 c014e4cc: 80 09 42 60 lwz r0,16992(r9) c014e4d0: 90 0b 42 64 stw r0,16996(r11) c014e4d4: 80 6b 42 64 lwz r3,16996(r11) c014e4d8: 3f a0 c0 16 lis r29,-16362 c014e4dc: 48 00 58 a5 bl c0153d80 c014e4e0: 48 00 58 c5 bl c0153da4 c014e4e4: 80 7d 42 60 lwz r3,16992(r29) c014e4e8: 48 00 79 41 bl c0155e28 c014e4ec: 80 7d 42 60 lwz r3,16992(r29) c014e4f0: 48 00 73 d9 bl c01558c8 -- James F. Dougherty, III Broadcom Corporation jfd@broadcom.com (408) 501-8273 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/