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kernel崩溃，请教一下问题的原因，谢谢。另外不好意思。没分给了。结贴的时间比较晚。
来源: 互联网 发布时间：2016-09-07
本文导语: # fdisk -l Kernel bug detected[#1]: Cpu 0 $ 0 : 00000000 30008700 00000001 00000000 $ 4 : 80375e40 00000001 00000000 00000000 $ 8 : 00000000 80000008 800b71a4 fffffff0 $12 : cf0f901c cf0f9080 000000c0 00430000 $16 : cfb3b000 00000001...
# fdisk -l
Kernel bug detected[#1]:
Cpu 0
$ 0 : 00000000 30008700 00000001 00000000
$ 4 : 80375e40 00000001 00000000 00000000
$ 8 : 00000000 80000008 800b71a4 fffffff0
$12 : cf0f901c cf0f9080 000000c0 00430000
$16 : cfb3b000 00000001 80370000 0000001d
$20 : cfbfde00 004de128 004d6008 004d1288
$24 : 0042d76c 2ab54b84
$28 : cf8ae000 cf8afe48 00000000 80205054
Hi : 0000000f
Lo : 8f8f8f9f
epc : 80205058 put_mtd_device+0x4c/0x6c
Not tainted
ra : 80205054 put_mtd_device+0x48/0x6c
Status: 30008703 KERNEL EXL IE
Cause : 00800034
PrId : 0002a044 (Broadcom BMIPS4380)
Modules linked in: sd_mod sata_brcmstb libata usb_storage ohci_brcm ehci_brcm usbcore ntfs vfat fat nls_utf8 nls_iso8859_1 nls_cp936 nls_cp437 nls_base
Process fdisk (pid: 360, threadinfo=cf8ae000, task=cf90c6d8, tls=2aab7440)
Stack : cf0f9080 00000301 cf0f9080 cfbe6980 cfbe6980 803761f0 cf0eb0e0 80209e54
00000000 800cb59c cf5672c0 cf4f3c6c 8036ef24 cf5672c0 cf5672d0 800f3b14
00000001 7ff15030 cf0f9080 cf4f721c 00000000 cf819d40 cf0f9080 cf4f721c
cf0eb0e0 cf819d40 00000010 800bb828 00000000 cf0f9080 00000004 ffffff9c
00000000 00000000 cf0f9080 cfb37ec0 7ff15220 004de228 00000000 800b7170
...
Call Trace:
[] put_mtd_device+0x4c/0x6c
[] blktrans_release+0x5c/0x7c
[] __blkdev_put+0xf0/0x1a8
[] __fput+0xec/0x234
[] filp_close+0x58/0x8c
[] sys_close+0xc8/0x13c
[] stack_done+0x20/0x3c
Code: 0c00327e 26445e40 00118fc2 8e0400c8 8fbf001c 8fb20018 8fb10014 8fb00010
Disabling lock debugging due to kernel taint
Segmentation fault
Kernel bug detected[#1]:
Cpu 0
$ 0 : 00000000 30008700 00000001 00000000
$ 4 : 80375e40 00000001 00000000 00000000
$ 8 : 00000000 80000008 800b71a4 fffffff0
$12 : cf0f901c cf0f9080 000000c0 00430000
$16 : cfb3b000 00000001 80370000 0000001d
$20 : cfbfde00 004de128 004d6008 004d1288
$24 : 0042d76c 2ab54b84
$28 : cf8ae000 cf8afe48 00000000 80205054
Hi : 0000000f
Lo : 8f8f8f9f
epc : 80205058 put_mtd_device+0x4c/0x6c
Not tainted
ra : 80205054 put_mtd_device+0x48/0x6c
Status: 30008703 KERNEL EXL IE
Cause : 00800034
PrId : 0002a044 (Broadcom BMIPS4380)
Modules linked in: sd_mod sata_brcmstb libata usb_storage ohci_brcm ehci_brcm usbcore ntfs vfat fat nls_utf8 nls_iso8859_1 nls_cp936 nls_cp437 nls_base
Process fdisk (pid: 360, threadinfo=cf8ae000, task=cf90c6d8, tls=2aab7440)
Stack : cf0f9080 00000301 cf0f9080 cfbe6980 cfbe6980 803761f0 cf0eb0e0 80209e54
00000000 800cb59c cf5672c0 cf4f3c6c 8036ef24 cf5672c0 cf5672d0 800f3b14
00000001 7ff15030 cf0f9080 cf4f721c 00000000 cf819d40 cf0f9080 cf4f721c
cf0eb0e0 cf819d40 00000010 800bb828 00000000 cf0f9080 00000004 ffffff9c
00000000 00000000 cf0f9080 cfb37ec0 7ff15220 004de228 00000000 800b7170
...
Call Trace:
[] put_mtd_device+0x4c/0x6c
[] blktrans_release+0x5c/0x7c
[] __blkdev_put+0xf0/0x1a8
[] __fput+0xec/0x234
[] filp_close+0x58/0x8c
[] sys_close+0xc8/0x13c
[] stack_done+0x20/0x3c
Code: 0c00327e 26445e40 00118fc2 8e0400c8 8fbf001c 8fb20018 8fb10014 8fb00010
Disabling lock debugging due to kernel taint
Segmentation fault
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sd卡驱动，还是flash文件系统的驱动有问题，如果有条件，先把mtd驱动屏蔽了，或者去跟踪下
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