I have an Antminer s7 , It works properly .
But yesterday it stopped working and I had to restart it.
After restarting it hash rate stuck in 3 TH .
I checked "kernel log" and I found the below failed errors.
can any body tell me what is the problem ?
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2.958509] bone-capemgr bone_capemgr.8: bone: scan failed (1 time)
[ 3.497572] bone-capemgr bone_capemgr.8: bone: scan failed (2 time)
[ 4.036629] bone-capemgr bone_capemgr.8: bone: scan failed (3 time)
[ 4.575690] bone-capemgr bone_capemgr.8: bone: scan failed (4 time)
[ 5.114753] bone-capemgr bone_capemgr.8: bone: scan failed (5 time)
[ 5.653815] bone-capemgr bone_capemgr.8: bone: scan failed (6 time)
[ 6.192880] bone-capemgr bone_capemgr.8: bone: scan failed (7 time)
[ 6.731940] bone-capemgr bone_capemgr.8: bone: scan failed (8 time)
[ 7.271002] bone-capemgr bone_capemgr.8: bone: scan failed (9 time)
[ 7.810065] bone-capemgr bone_capemgr.8: bone: scan failed (10 time)
[ 8.318047] bone-capemgr bone_capemgr.8: Failed to scan baseboard eeprom
[ 8.325115] bone-capemgr: probe of bone_capemgr.8 failed with error -110
[ 8.334647] nand_get_flash_type: 2c,da against 2c,da
[ 8.340174] ONFI param page 0 valid
[ 8.343846] ONFI flash detected
[ 8.347165] NAND device: Manufacturer ID: 0x2c, Chip ID: 0xda (Micron MT29F2G08ABAEAWP), 256MiB, page size: 2048, OOB size: 64
[ 8.359075] omap2-nand: detected x8 NAND flash
[ 8.363739] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
[ 8.369341] omap2-nand: using custom ecc layout
[ 8.374179] 10 ofpart partitions found on MTD device omap2-nand.0
[ 8.380569] Creating 10 MTD partitions on "omap2-nand.0":
[ 8.386240] 0x000000000000-0x000000020000 : "spl"
[ 8.393127] 0x000000020000-0x000000040000 : "spl_backup1"
[ 8.400582] 0x000000040000-0x000000060000 : "spl_backup2"
[ 8.407995] 0x000000060000-0x000000080000 : "spl_backup3"
[ 8.415271] 0x000000080000-0x000000240000 : "u-boot"
[ 8.423527] 0x000000240000-0x000000260000 : "bootenv"
[ 8.430498] 0x000000260000-0x000000280000 : "fdt"
[ 8.437122] 0x000000280000-0x000000780000 : "kernel"
[ 8.448131] 0x000000800000-0x000001c00000 : "root"
[ 8.471544] 0x000001c00000-0x000003000000 : "config"