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我的硬盘连到开发板上(ARM平台),刚开始启动是可以正常挂载的,也可以正常使用,但可能过一段时间就丢失了,时间长短不定,十几分钟,半个多小时,一天多都发生过,丢失时打印信息如下:- ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen
- [ 72.654168] ata1: irq_stat 0x00400000, PHY RDY changed
- [ 72.660477] ata1: SError: { PHYRdyChg }
- [ 72.664432] ata1: hard resetting link
- [ 73.855902] ata1: SATA link down (SStatus 0 SControl 300)
- [ 73.881048] ata1: hard resetting link
- [ 74.225894] ata1: SATA link down (SStatus 0 SControl 300)
- [ 74.231468] ata1: limiting SATA link speed to 1.5 Gbps
- [ 74.250787] ata1: hard resetting link
- [ 76.475885] ata1: SATA link down (SStatus 1 SControl 310)
- [ 76.481412] ata1.00: disabled
- [ 76.484534] ata1: EH complete
- [ 76.487732] ata1.00: detaching (SCSI 0:0:0:0)
- [ 76.570117] sd 0:0:0:0: [sda] Synchronizing SCSI cache
- [ 76.600468] sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00
- [ 76.629697] sd 0:0:0:0: [sda] Stopping disk
- [ 76.657660] sd 0:0:0:0: [sda] START_STOP FAILED
- [ 76.662267] sd 0:0:0:0: [sda] Result: hostbyte=0x04 driverbyte=0x00
- [ 77.126335] Buffer I/O error on device sda1, logical block 0
- [ 77.132067] lost page write due to I/O error on sda1
- [ 77.140406] Buffer I/O error on device sda2, logical block 0
- [ 77.146137] lost page write due to I/O error on sda2
- [ 77.152591] EXT3-fs (sda2): I/O error while writing superblock
- [ 77.159555] EXT3-fs (sda1): I/O error while writing superblock
复制代码 好像是通过IO访问不了硬盘了,我试过硬盘掉电时也是这个现象。
掉过之后我重新插拔信号线,有时可以重新挂载,有时不可以,重启系统可以正常挂载,硬盘应该是好的,我都换了三个了
请问大神们遇到过类似的问题吗,可能的原因有哪些? |
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