我的内核是 Linux-2.6.18_pro500-davinci_IPNC ，用的dm368， 录像一段时间后，一般两个小时，我用的12M码流，换了6M的码流也会，崩溃后打印一大片，1、插入U盘后，也会打印一大片内核错误信息，具体打印在附件里，但是系统还是运行正常，再次插拔U盘后内核就完全识别不到U盘了，2、或者此时访问u盘，ls 下挂载目录，也会打印，一大片，此时再次ls，ls就会挂起，终端无法输入命令，无法停止这个命令， 但是用telnet还可以登录正常， 请麻烦专家给我分析下。
[85903.600000] Vendor: SanDisk Model: Ultra Fit Rev: 1.00
[85903.610000] Type: Direct-Access ANSI SCSI revision: 06
[85903.620000] SCSI device sdb: 30375936 512-byte hdwr sectors (15552 MB)
[85903.640000] sdb: Write Protect is off
[85903.640000] sdb: Mode Sense: 43 00 00 00
[85903.640000] sdb: assuming drive cache: write through
[85903.660000] SCSI device sdb: 30375936 512-byte hdwr sectors (15552 MB)
[85903.660000] sdb: Write Protect is off
[85903.670000] sdb: Mode Sense: 43 00 00 00
[85903.670000] sdb: assuming drive cache: write through
[85903.680000] sdb:<1>Unable to handle kernel paging request at virtual address f67ef18c
[85903.680000] pgd = c6fd8000
[85903.680000] [f67ef18c] *pgd=00000000
[85903.680000] Internal error: Oops: 5 [#3]
[85903.680000] Modules linked in: dm365mmap irqk edmak cmemk drv csl m340 i2c
[85903.680000] CPU: 0
[85903.680000] PC is at cache_alloc_refill+0x164/0x5dc
[85903.680000] LR is at 0xf67ef17c
[85903.680000] pc : [<c0096070>] lr : [<f67ef17c>] Tainted: GF
[85903.680000] sp : c3d278d8 ip : c05ded28 fp : c3d27924
[85903.680000] r10: c04e3c00 r9 : c3d26000 r8 : 0000003c
[85903.680000] r7 : f67ef198 r6 : c05e5a00 r5 : c05ded20 r4 : 00000000
[85903.680000] r3 : c05ded30 r2 : 00000000 r1 : 00000000 r0 : 00000000
[85903.680000] Flags: nzCv IRQs off FIQs on Mode SVC_32 Segment kernel
[85903.680000] Control: 5317F
[85903.680000] Table: 86FD8000 DAC: 00000017
[85903.680000] Process usb-stor-scan (pid: 1077, stack limit = 0xc3d26258)
[85903.680000] Stack: (0xc3d278d8 to 0xc3d28000)
[85903.680000] 78c0: 00000050 00000000
[85903.680000] 78e0: c05ded28 c05ded30 c3d2792c 00000050 c3d2791c c3d27900 c0037ba4 60000013
[85903.680000] 7900: c04c2508 00000000 00000000 00001000 c058ce60 00000001 c3d27944 c3d27928
[85903.680000] 7920: c0095efc c0095f1c c05e7d60 00000000 c03909c0 c058ce60 c3d27964 c3d27948
[85903.680000] 7940: c009b798 c0095eb4 c3d279e8 c058ce60 00000000 00000000 c3d27994 c3d27968
[85903.680000] 7960: c009c0bc c009b788 c3d279cc c058ce60 00000000 c058ce60 00000000 00001000
[85903.680000] 7980: c05ef0a8 c00a2d60 c3d279ac c3d27998 c009c168 c009c098 00000000 c058ce60
[85903.680000] 79a0: c3d27a14 c3d279b0 c009f378 c009c15c c039a2d0 c00a3f5c c3d26000 00000000
[85903.680000] 79c0: c3d27a24 c058ce60 c05ef148 00000000 00000000 00000000 00000000 c00a2d60
[85903.680000] 79e0: c3d27a0c c3d279f0 c0077550 00000000 c058ce60 c05ef148 00000000 00000000
[85903.680000] 7a00: 00000000 c00a2d60 c3d27a24 c3d27a18 c00a2d78 c009f338 c3d27a54 c3d27a28
[85903.680000] 7a20: c0079ae8 c00a2d70 60000013 c00d8684 00000000 c3d27aa4 c65c4d80 c52b4020
[85903.680000] 7a40: c032e190 c05ef040 c3d27a74 c3d27a58 c00d8208 c0079a40 c52b4000 c00d8684
[85903.680000] 7a60: c52b4000 c52b4000 c3d27ad4 c3d27a78 c00d86d8 c00d81e4 00000000 00000011
[85903.680000] 7a80: c52b4000 c05ef040 00000001 c05ef040 00000000 c05ef040 c3d27ac4 c3d27aa8
[85903.680000] 7aa0: c004dff4 c004d680 c036ab28 c00d8684 c52b4000 00000004 c65c4d80 c52b4020
[85903.680000] 7ac0: c032e190 c05ef040 c3d27b0c c3d27ad8 c00d853c c00d8694 c3d27b0c 00000000
[85903.680000] 7ae0: c0241cc8 c53695c0 c699b820 00000000 c65c4d80 c05ef040 00000000 c3430800
[85903.680000] 7b00: c3d27c54 c3d27b10 c00a3760 c00d843c c05ef04c ffffffff fbc48000 c5e97a38
[85903.680000] 7b20: c3d27b9c c3d27b30 c00369e4 c0037b70 c5e97a38 c66011f8 c6601210 c03a28fc
[85903.680000] 7b40: c66011f8 c5e97a38 c5e97a38 c66011f8 c00d9df4 c140de18 000041ed c3d27b9c
[85903.680000] 7b60: c3d27b88 c3d27b78 c00b401c c01c859c 40000013 ffffffff 000000d0 00000000
[85903.680000] 7b80: c05e7ee8 c05e7ef0 c3d27bcc 000000d0 c3d27bcc c3d27ba0 c3d27bcc a0000013
[85903.680000] 7ba0: c05eaa00 c05eaa00 c05dbf68 c00a3f38 00006328 c3d27c64 c3d27be4 c3d27bc8
[85903.680000] 7bc0: c0095efc c0095f1c c00da670 00000000 00000002 00000000 c3d27bf4 c3d27be8
[85903.680000] 7be0: c00a2dd0 c0095eb4 c3d27c14 c3d27bf8 c05ef0a8 c3d26000 c05eaa00 c05dbf68
[85903.680000] 7c00: c00a3f38 c3d27c64 c05ef1b4 00000003 c3d27c34 c3d27c20 c0063df4 c0063da4
[85903.680000] 7c20: c05ef0a8 00000000 c3d27c44 c53695c0 c699b820 c05ef040 00000000 00000001
[85903.680000] 7c40: c140de18 c3430800 c3d27c7c c3d27c58 c00a38f4 c00a348c c3d27c64 c05ef040
[85903.680000] 7c60: c65c4d80 c34308f8 c65c4dcc c699b8e0 c3d27c9c c3d27c80 c00d83ac c00a3880
[85903.680000] 7c80: c65c4d80 c3430890 00000001 c65c4d80 c3d27cbc c3d27ca0 c01d2b9c c00d8294
[85903.680000] 7ca0: c01d2990 c65c4d80 c140de18 c3430890 c3d27d04 c3d27cc0 c02421d0 c01d2b5c
[85903.680000] 7cc0: c005fc4c c3d27ce4 c3430890 00000000 00000000 00000001 00000000 00000000
[85903.680000] 7ce0: c3430890 00000000 c0453598 00000000 c140de18 c34308f8 c3d27d24 c3d27d08
[85903.680000] 7d00: c0210cf0 c0241eb8 00000000 c0210d40 c3430890 c3d27d3c c3d27d34 c3d27d28
[85903.680000] 7d20: c0210d50 c0210c84 c3d27d64 c3d27d38 c021051c c0210d50 c01dc7e0 c045308c
[85903.680000] 7d40: c045308c c04535f8 c3430960 c3430890 c3430934 00000000 c3d27d7c c3d27d68
[85903.680000] 7d60: c0210db4 c02104dc c02104b8 c0452f7c c3d27d94 c3d27d80 c02101fc c0210d64
[85903.680000] 7d80: c3430890 c3430890 c3d27dcc c3d27d98 c020f1fc c02101ec c00956e8 00000000
[85903.680000] 7da0: c3d27e30 c3430890 c3430800 c3430800 c3430890 00000000 c140de00 00000000
[85903.680000] 7dc0: c3d27dfc c3d27dd0 c023f1c8 c020ef90 c3430800 c3430890 c3430800 c65c4e80
[85903.680000] 7de0: 00000024 00000000 c140de00 00000001 c3d27e64 c3d27e00 c023d1d8 c023f1a8
[85903.680000] 7e00: 00000024 c3d27e30 00000226 00000003 c65c4e88 00000000 c3d27edc 00000024
[85903.680000] 7e20: 00000012 c3d20024 c3d27e74 c140de80 00000000 00000000 c01dbc44 00000000
[85903.680000] 7e40: 00000000 c3430cd8 ffffffff 00000000 c3d27f98 c140de00 c3d27f0c c3d27e68
[85903.680000] 7e60: c023da24 c023cad4 00000000 00000000 c0327398 a0000013 00000064 c140de18
[85903.680000] 7e80: c3d27ec4 c3d27e90 c0328078 c00576fc 00000000 00200200 00829f4c c0058918
[85903.680000] 7ea0: c1d60740 c04becac 00000002 c1d60740 c3d26000 c3d27f0c c3d27f04 c3d27ec8
[85903.680000] 7ec0: c03279f0 c0327fe8 c3d27f98 00000001 c1d60740 c0048888 00100100 00000000
[85903.680000] 7ee0: c5d4a01c c3430c00 00000000 c3430cd8 ffffffff 00000000 c3d27f98 00000000
[85903.680000] 7f00: c3d27f3c c3d27f10 c023df00 c023d964 00000000 c3d27f10 c3430c00 00000001
[85903.680000] 7f20: ffffffff ffffffff c3430c28 00000000 c3d27f6c c3d27f40 c023dfc0 c023debc
[85903.680000] 7f40: 00000000 c3d26000 c1d60740 c3430eb4 c3d26000 00000000 c3d27f8c c3430f70
[85903.680000] 7f60: c3d27f84 c3d27f70 c023e040 c023df40 00000000 c3430eb4 c3d27fcc c3d27f88
[85903.680000] 7f80: c0264df8 c023e028 c0327270 00000000 c1d60740 c0063df8 c3d27f98 c3d27f98
[85903.680000] 7fa0: 00000000 c3430eb4 c3d26000 c0264cbc c06c3d40 00000000 00000000 00000000
[85903.680000] 7fc0: c3d27ff4 c3d27fd0 c0063cd8 c0264ccc ffffffff ffffffff 00000000 00000000
[85903.680000] 7fe0: 00000000 00000000 00000000 c3d27ff8 c0050618 c0063c00 0000a325 0000d247
[85903.680000] Backtrace:
[85903.680000] [<c0095f0c>] (cache_alloc_refill+0x0/0x5dc) from [<c0095efc>] (kmem_cache_alloc+0x58/0x68)
[85903.680000] [<c0095ea4>] (kmem_cache_alloc+0x0/0x68) from [<c009b798>] (alloc_buffer_head+0x20/0x74)
[85903.680000] r4 = C058CE60
[85903.680000] [<c009b778>] (alloc_buffer_head+0x0/0x74) from [<c009c0bc>] (alloc_page_buffers+0x34/0xc4)
[85903.680000] r6 = 00000000 r5 = 00000000 r4 = C058CE60
[85903.680000] [<c009c088>] (alloc_page_buffers+0x0/0xc4) from [<c009c168>] (create_empty_buffers+0x1c/0x140)
[85903.680000] [<c009c14c>] (create_empty_buffers+0x0/0x140) from [<c009f378>] (block_read_full_page+0x50/0x340)
[85903.680000] r5 = C058CE60 r4 = 00000000
[85903.680000] [<c009f328>] (block_read_full_page+0x0/0x340) from [<c00a2d78>] (blkdev_readpage+0x18/0x20)
[85903.680000] [<c00a2d60>] (blkdev_readpage+0x0/0x20) from [<c0079ae8>] (read_cache_page+0xb8/0x198)
[85903.680000] [<c0079a30>] (read_cache_page+0x0/0x198) from [<c00d8208>] (read_dev_sector+0x34/0xb0)
[85903.680000] [<c00d81d4>] (read_dev_sector+0x0/0xb0) from [<c00d86d8>] (msdos_partition+0x54/0x5ac)
[85903.680000] r6 = C52B4000 r5 = C52B4000 r4 = C00D8684
[85903.680000] [<c00d8684>] (msdos_partition+0x0/0x5ac) from [<c00d853c>] (rescan_partitions+0x110/0x1f8)
[85903.680000] [<c00d842c>] (rescan_partitions+0x0/0x1f8) from [<c00a3760>] (do_open+0x2e4/0x3f4)
[85903.680000] [<c00a347c>] (do_open+0x0/0x3f4) from [<c00a38f4>] (blkdev_get+0x84/0xa4)
[85903.680000] [<c00a3870>] (blkdev_get+0x0/0xa4) from [<c00d83ac>] (register_disk+0x128/0x1a8)
[85903.680000] r8 = C699B8E0 r7 = C65C4DCC r6 = C34308F8 r5 = C65C4D80
[85903.680000] r4 = C05EF040
[85903.680000] [<c00d8284>] (register_disk+0x0/0x1a8) from [<c01d2b9c>] (add_disk+0x50/0x68)
[85903.680000] r7 = C65C4D80 r6 = 00000001 r5 = C3430890 r4 = C65C4D80
[85903.680000] [<c01d2b4c>] (add_disk+0x0/0x68) from [<c02421d0>] (sd_probe+0x328/0x3b8)
[85903.680000] r4 = C3430890
[85903.680000] [<c0241ea8>] (sd_probe+0x0/0x3b8) from [<c0210cf0>] (driver_probe_device+0x7c/0xcc)
[85903.680000] [<c0210c74>] (driver_probe_device+0x0/0xcc) from [<c0210d50>] (__device_attach+0x10/0x14)
[85903.680000] r7 = C3D27D3C r6 = C3430890 r5 = C0210D40 r4 = 00000000
[85903.680000] [<c0210d40>] (__device_attach+0x0/0x14) from [<c021051c>] (bus_for_each_drv+0x50/0x8c)
[85903.680000] [<c02104cc>] (bus_for_each_drv+0x0/0x8c) from [<c0210db4>] (device_attach+0x60/0x8c)
[85903.680000] r7 = 00000000 r6 = C3430934 r5 = C3430890 r4 = C3430960
[85903.680000] [<c0210d54>] (device_attach+0x0/0x8c) from [<c02101fc>] (bus_attach_device+0x20/0x30)
[85903.680000] r4 = C0452F7C
[85903.680000] [<c02101dc>] (bus_attach_device+0x0/0x30) from [<c020f1fc>] (device_add+0x27c/0x3d0)
[85903.680000] r5 = C3430890 r4 = C3430890
[85903.680000] [<c020ef80>] (device_add+0x0/0x3d0) from [<c023f1c8>] (scsi_sysfs_add_sdev+0x30/0x204)
[85903.680000] [<c023f198>] (scsi_sysfs_add_sdev+0x0/0x204) from [<c023d1d8>] (scsi_probe_and_add_lun+0x714/0x880)
[85903.680000] [<c023cac4>] (scsi_probe_and_add_lun+0x0/0x880) from [<c023da24>] (__scsi_scan_target+0xd0/0x558)
[85903.680000] [<c023d954>] (__scsi_scan_target+0x0/0x558) from [<c023df00>] (scsi_scan_channel+0x54/0x84)
[85903.680000] [<c023deac>] (scsi_scan_channel+0x0/0x84) from [<c023dfc0>] (scsi_scan_host_selected+0x90/0xe8)
[85903.680000] [<c023df30>] (scsi_scan_host_selected+0x0/0xe8) from [<c023e040>] (scsi_scan_host+0x28/0x30)
[85903.680000] [<c023e018>] (scsi_scan_host+0x0/0x30) from [<c0264df8>] (usb_stor_scan_thread+0x13c/0x170)
[85903.680000] [<c0264cbc>] (usb_stor_scan_thread+0x0/0x170) from [<c0063cd8>] (kthread+0xe8/0x128)
[85903.680000] [<c0063bf0>] (kthread+0x0/0x128) from [<c0050618>] (do_exit+0x0/0xa24)
[85903.680000] r7 = 00000000 r6 = 00000000 r5 = 00000000 r4 = 00000000
[85903.680000] Code: e583c010 e5861000 ea000000 e28e701c (e59e3010)
[85903.680000] <6>note: usb-stor-scan[1077] exited with preempt_count 1
Mem: 105144K used, 3724K free, 0K shrd, 72K buff, 74456K cached
CPU: 8.4% usr 4.5% sys 0.0% nic 86.3% idle 0.0% io 0.3% irq 0.1% sirq
Load average: 3.41 3.32 3.29 1/75 1093
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
968 693 root S 152m142.7 0 10.6 av_server.out HD_1080P60 AUDIO 080
693 1 root S 129m121.6 0 1.1 /opt/ipnc/bin/sys_server
1093 980 root R 2140 1.9 0 1.1 top
625 14 root DW< 0 0.0 0 0.2 [mdin340]
979 1 root S 88784 81.2 0 0.0 ./wis-streamer -a
694 1 root S 31696 29.0 0 0.0 /opt/ipnc/bin/boa -c /etc
696 1 root S < 10640 9.7 0 0.0 /mnt/vis.master
717 1 root S 4556 4.1 0 0.0 /usr/sbin/inetd
611 1 root S 4240 3.8 0 0.0 /opt/ipnc/bin/boot_proc
612 1 root S 4240 3.8 0 0.0 /opt/ipnc/bin/beep_proc
735 1 root S 3768 3.4 0 0.0 /lqk/samba/bin/smbd -D
695 1 root S 3164 2.9 0 0.0 /mnt/i2cdbg.server
980 1 root S 2140 1.9 0 0.0 -sh
581 1 root S 2136 1.9 0 0.0 /usr/sbin/telnetd -p 2332
697 1 root S 1788 1.6 0 0.0 /mnt/vis.update
359 1 root S < 1572 1.4 0 0.0 udevd --daemon
1 0 root S 1552 1.4 0 0.0 init [3]
96 14 root SW 0 0.0 0 0.0 [pdflush]
285 14 root SW< 0 0.0 0 0.0 [usb-storage]
97 14 root SW< 0 0.0 0 0.0 [kswapd0]