Problems with mount system call -- cannot mount procfs!
James Dougherty
jfd at broadcom.com
Tue Jul 30 05:03:18 EST 2002
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 at 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 <bd_read_super>:
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 <get_sb_nodev>:
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 <printk>
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 <get_anon_super>
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 <printk>
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 <get_sb_nodev+0x64>
c003f810: 7f e3 fb 78 mr r3,r31
c003f814: 48 00 00 74 b c003f888 <get_sb_nodev+0xd4>
c003f998 <do_kern_mount>:
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 <get_fs_type>
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 <printk>
c003f9d0: 2c 1d 00 00 cmpwi r29,0
c003f9d4: 38 60 ff ed li r3,-19
c003f9d8: 41 82 01 50 beq c003fb28 <do_kern_mount+0x190>
c003f9dc: 7f 83 e3 78 mr r3,r28
c003f9e0: 48 01 31 8d bl c0052b6c <alloc_vfsmnt>
c003f9e4: 7c 7e 1b 79 mr. r30,r3
c003f9e8: 41 82 01 34 beq c003fb1c <do_kern_mount+0x184>
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 <do_kern_mount+0x84>
c003f9f8: 3c 60 c0 12 lis r3,-16366
c003f9fc: 38 63 93 bc addi r3,r3,-27716
c003fa00: 4b fd 67 e1 bl c00161e0 <printk>
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 <get_sb_bdev>
c003fa18: 48 00 00 50 b c003fa68 <do_kern_mount+0xd0>
c003fa1c: 70 09 00 08 andi. r9,r0,8
c003fa20: 41 82 00 28 beq c003fa48 <do_kern_mount+0xb0>
c003fa24: 3c 60 c0 12 lis r3,-16366
c003fa28: 38 63 93 98 addi r3,r3,-27752
c003fa2c: 4b fd 67 b5 bl c00161e0 <printk>
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 <get_sb_single>
c003fa44: 48 00 00 24 b c003fa68 <do_kern_mount+0xd0>
c003fa48: 3c 60 c0 12 lis r3,-16366
c003fa4c: 38 63 93 68 addi r3,r3,-27800
c003fa50: 4b fd 67 91 bl c00161e0 <printk>
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 <get_sb_nodev>
c003fa68: 7c 7f 1b 78 mr r31,r3
c003fcd4 <kern_mount>:
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 <do_kern_mount>
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 <bdev_cache_init>:
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 <bdev_cache_init+0x1c>
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 <kmem_cache_create>
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 <bdev_cache_init+0x6c>
c0155acc: 3c 60 c0 12 lis r3,-16366
c0155ad0: 38 63 94 3c addi r3,r3,-27588
c0155ad4: 4b eb fd 71 bl c0015844 <panic>
c0155ad8: 3c 60 c0 14 lis r3,-16364
c0155adc: 38 63 c5 ac addi r3,r3,-14932
c0155ae0: 4b ee 8b b1 bl c003e690 <register_filesystem>
c0155ae4: 2c 03 00 00 cmpwi r3,0
c0155ae8: 41 82 00 10 beq c0155af8 <bdev_cache_init+0x8c>
c0155aec: 3c 60 c0 12 lis r3,-16366
c0155af0: 38 63 94 60 addi r3,r3,-27552
c0155af4: 4b eb fd 51 bl c0015844 <panic>
c0155af8: 3c 60 c0 14 lis r3,-16364
c0155afc: 38 63 c5 ac addi r3,r3,-14932
c0155b00: 4b ee a1 d5 bl c003fcd4 <kern_mount>
c0155b04: 20 03 fc 18 subfic r0,r3,-1000
c0155e28 <vfs_caches_init>:
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 <kmem_cache_create>
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 <vfs_caches_init+0x54>
c0155e70: 3c 60 c0 12 lis r3,-16366
c0155e74: 38 63 9a bc addi r3,r3,-25924
c0155e78: 4b eb f9 cd bl c0015844 <panic>
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 <kmem_cache_create>
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 <vfs_caches_init+0x90>
c0155eac: 3c 60 c0 12 lis r3,-16366
c0155eb0: 38 63 9a f0 addi r3,r3,-25872
c0155eb4: 4b eb f9 91 bl c0015844 <panic>
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 <kmem_cache_create>
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 <vfs_caches_init+0xcc>
c0155ee8: 3c 60 c0 12 lis r3,-16366
c0155eec: 38 63 9b 18 addi r3,r3,-25832
c0155ef0: 4b eb f9 55 bl c0015844 <panic>
c0155ef4: 7f e3 fb 78 mr r3,r31
c0155ef8: 4b ff fd f1 bl c0155ce8 <dcache_init>
c0155efc: 7f e3 fb 78 mr r3,r31
c0155f00: 48 00 00 29 bl c0155f28 <inode_init>
c0155f04: 7f e3 fb 78 mr r3,r31
c0155f08: 48 00 01 cd bl c01560d4 <mnt_init>
c0155f0c: 4b ff fb 61 bl c0155a6c <bdev_cache_init>
c0155f10: 4b ff fc 2d bl c0155b3c <cdev_cache_init>
c014e3f8 <start_kernel>:
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 <printk>
c014e414: 38 61 00 08 addi r3,r1,8
c014e418: 48 00 0f 6d bl c014f384 <setup_arch>
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 <printk>
c014e430: 80 61 00 08 lwz r3,8(r1)
c014e434: 4b ff fe 2d bl c014e260 <parse_options>
c014e438: 48 00 0b 11 bl c014ef48 <trap_init>
c014e43c: 48 00 0b 11 bl c014ef4c <init_IRQ>
c014e440: 48 00 58 99 bl c0153cd8 <sched_init>
c014e444: 48 00 5c b9 bl c01540fc <softirq_init>
c014e448: 48 00 0b 49 bl c014ef90 <time_init>
c014e44c: 48 00 8d fd bl c0157248 <console_init>
c014e450: 48 00 5c 89 bl c01540d8 <init_modules>
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 <start_kernel+0xac>
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 <kmem_cache_init>
c014e4a8: 4b eb 98 29 bl c0007cd0 <__cli_end>
c014e4ac: 4b ff fc 25 bl c014e0d0 <calibrate_delay>
c014e4b0: 48 00 48 41 bl c0152cf0 <mem_init>
c014e4b4: 48 00 61 11 bl c01545c4 <kmem_cache_sizes_init>
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 <start_kernel+0xdc>
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 <fork_init>
c014e4e0: 48 00 58 c5 bl c0153da4 <proc_caches_init>
c014e4e4: 80 7d 42 60 lwz r3,16992(r29)
c014e4e8: 48 00 79 41 bl c0155e28 <vfs_caches_init>
c014e4ec: 80 7d 42 60 lwz r3,16992(r29)
c014e4f0: 48 00 73 d9 bl c01558c8 <buffer_init>
--
James F. Dougherty, III
Broadcom Corporation
jfd at broadcom.com
(408) 501-8273
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