linux mount sd卡失败但dmesg能看到信息

cut 发布于 2014/06/04 12:41
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SD卡通过叫gl827的一个读卡器芯片转成usb连到板子上

dmesg可以看出sd卡的信息

scsi 0:0:0:0: Direct-Access     Generic  STORAGE DEVICE   9451 PQ: 0 ANSI: 0
sd 0:0:0:0: Attached scsi generic sg0 type 0
sd 0:0:0:0: [sda] 3842048 512-byte logical blocks: (1.96 GB/1.83 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 03 00 00 00
sd 0:0:0:0: [sda] No Caching mode page present
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] No Caching mode page present
sd 0:0:0:0: [sda] Assuming drive cache: write through
 sda: sda1
sd 0:0:0:0: [sda] No Caching mode page present
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] Attached SCSI removable disk
udevd (522): /proc/522/oom_adj is deprecated, please use /proc/522/oom_score_adj instead.

但在mount /dev/sda /mnt/tfcard的时候出了一堆错

hiusb-ehci hiusb-ehci.0: port 1 reset error -110
hiusb-ehci hiusb-ehci.0: port 1 reset error -110
hiusb-ehci hiusb-ehci.0: port 1 reset error -110
hiusb-ehci hiusb-ehci.0: port 1 reset error -110
hiusb-ehci hiusb-ehci.0: port 1 reset error -110
hub 1-0:1.0: hub_port_status failed (err = -32)
hub 1-0:1.0: Cannot enable port 1.  Maybe the USB cable is bad?

这是什么问题是驱动程序问题?还是配置配的不对

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