Linux Kernelでの登録とMacronixのデータシートではoob size=128として登録され、認識は走るがblock deviceとしての読み出しがI/Oエラーとなる
パーティション列挙途中のエラーは、u-boot-envのNVMEM認識中にmtdの読み出しで死んでエラーになっている
[ 1.345227] spi-nand spi0.0: Macronix SPI NAND was found. [ 1.345273] spi-nand spi0.0: 128 MiB, block size: 128 KiB, page size: 2048, OOB size: 128 [ 1.362207] 22 qcomsmem partitions found on MTD device spi0.0 [ 1.362266] Creating 22 MTD partitions on "spi0.0": [ 1.366951] 0x000000000000-0x000000080000 : "0:sbl1" [ 1.373431] 0x000000080000-0x000000100000 : "0:mibib" [ 1.379994] 0x000000100000-0x000000140000 : "0:bootconfig" [ 1.383788] 0x000000140000-0x000000180000 : "0:bootconfig1" [ 1.388886] 0x000000180000-0x000000280000 : "0:qsee" [ 1.395484] 0x000000280000-0x000000380000 : "0:qsee_1" [ 1.400384] 0x000000380000-0x0000003c0000 : "0:devcfg" [ 1.404395] 0x0000003c0000-0x000000400000 : "0:devcfg_1" [ 1.409480] 0x000000400000-0x000000440000 : "0:cdt" [ 1.415113] 0x000000440000-0x000000480000 : "0:cdt_1" [ 1.419594] 0x000000480000-0x000000500000 : "0:appsblenv" [ 1.425231] 1 fixed-partitions partitions found on MTD device 0:appsblenv [ 1.428587] Creating 1 MTD partitions on "0:appsblenv": [ 1.435448] 0x000000000000-0x000000040000 : "env-data" [ 1.497588] u-boot-env-layout: probe of 79b0000.qpic-nand:flash@0:partitions:partition-0-appsblenv:partition@0:nvmem-layout failed with error -74 [ 1.498361] 0x000000500000-0x000000640000 : "0:appsbl" [ 1.512622] 0x000000640000-0x000000780000 : "0:appsbl_1" [ 1.517504] 0x000000780000-0x000000880000 : "0:art" [ 1.522833] 0x000000880000-0x000000900000 : "0:training" [ 1.526591] 0x000000900000-0x000003c40000 : "rootfs" [ 1.600230] mtd: setting mtd16 (rootfs) as root device [ 1.601104] mtdsplit: error occured while reading from "rootfs" [ 1.604347] 0x000003c40000-0x000003fc0000 : "config" [ 1.616185] 0x000003fc0000-0x000007300000 : "rootfs_1" [ 1.687548] 0x000007300000-0x000007680000 : "config_2" [ 1.694067] 0x000007680000-0x000007b80000 : "reserved" [ 1.702819] 0x000007b80000-0x000007c00000 : "fwheader" [ 1.705246] 0x000007c00000-0x000007c80000 : "factory"
root@OpenWrt:~# cat /proc/mtd dev: size erasesize name mtd0: 00080000 00020000 "0:sbl1" mtd1: 00080000 00020000 "0:mibib" mtd2: 00040000 00020000 "0:bootconfig" mtd3: 00040000 00020000 "0:bootconfig1" mtd4: 00100000 00020000 "0:qsee" mtd5: 00100000 00020000 "0:qsee_1" mtd6: 00040000 00020000 "0:devcfg" mtd7: 00040000 00020000 "0:devcfg_1" mtd8: 00040000 00020000 "0:cdt" mtd9: 00040000 00020000 "0:cdt_1" mtd10: 00080000 00020000 "0:appsblenv" mtd11: 00040000 00020000 "env-data" mtd12: 00140000 00020000 "0:appsbl" mtd13: 00140000 00020000 "0:appsbl_1" mtd14: 00100000 00020000 "0:art" mtd15: 00080000 00020000 "0:training" mtd16: 03340000 00020000 "rootfs" mtd17: 00380000 00020000 "config" mtd18: 03340000 00020000 "rootfs_1" mtd19: 00380000 00020000 "config_2" mtd20: 00500000 00020000 "reserved" mtd21: 00080000 00020000 "fwheader" mtd22: 00080000 00020000 "factory" root@OpenWrt:~# strings /dev/mtdblock10 [26427.133154] mtdblock: MTD device '0:appsblenv' is NAND, please consider using UBI block devices instead. [26427.134125] I/O error, dev mtdblock10, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 2 [26427.142240] I/O error, dev mtdblock10, sector 8 op 0x0:(READ) flags 0x80700 phys_seg 3 prio class 2 [26427.151427] I/O error, dev mtdblock10, sector 16 op 0x0:(READ) flags 0x80700 phys_seg 2 prio class 2 [26427.160440] I/O error, dev mtdblock10, sector 24 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [26427.169619] I/O error, dev mtdblock10, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [26427.178083] Buffer I/O error on dev mtdblock10, logical block 0, async page read
oob size=64 への修正後:
[ 1.357755] spi-nand spi0.0: Macronix SPI NAND was found. [ 1.357799] spi-nand spi0.0: 128 MiB, block size: 128 KiB, page size: 2048, OOB size: 64 [ 1.362683] nand: WARNING: (null): the ECC used on your system is too weak compared to the one required by the NAND chip [ 1.384049] 22 qcomsmem partitions found on MTD device spi0.0 [ 1.384107] Creating 22 MTD partitions on "spi0.0": [ 1.388790] 0x000000000000-0x000000080000 : "0:sbl1" [ 1.395432] 0x000000080000-0x000000100000 : "0:mibib" [ 1.400767] 0x000000100000-0x000000140000 : "0:bootconfig" [ 1.405220] 0x000000140000-0x000000180000 : "0:bootconfig1" [ 1.410522] 0x000000180000-0x000000280000 : "0:qsee" [ 1.417069] 0x000000280000-0x000000380000 : "0:qsee_1" [ 1.422300] 0x000000380000-0x0000003c0000 : "0:devcfg" [ 1.426188] 0x0000003c0000-0x000000400000 : "0:devcfg_1" [ 1.431456] 0x000000400000-0x000000440000 : "0:cdt" [ 1.436778] 0x000000440000-0x000000480000 : "0:cdt_1" [ 1.441469] 0x000000480000-0x000000500000 : "0:appsblenv" [ 1.447057] 1 fixed-partitions partitions found on MTD device 0:appsblenv [ 1.450474] Creating 1 MTD partitions on "0:appsblenv": [ 1.457195] 0x000000000000-0x000000040000 : "env-data" [ 1.519461] 0x000000500000-0x000000640000 : "0:appsbl" [ 1.523377] 0x000000640000-0x000000780000 : "0:appsbl_1" [ 1.526647] 0x000000780000-0x000000880000 : "0:art" [ 1.531591] 0x000000880000-0x000000900000 : "0:training" [ 1.535466] 0x000000900000-0x000003c40000 : "rootfs" [ 1.609522] mtd: setting mtd16 (rootfs) as root device [ 1.610755] mtdsplit: no squashfs found in "rootfs" [ 1.613640] 0x000003c40000-0x000003fc0000 : "config" [ 1.624474] 0x000003fc0000-0x000007300000 : "rootfs_1" [ 1.694803] 0x000007300000-0x000007680000 : "config_2" [ 1.701580] 0x000007680000-0x000007b80000 : "reserved" [ 1.709768] 0x000007b80000-0x000007c00000 : "fwheader" [ 1.711711] 0x000007c00000-0x000007c80000 : "factory"
oot@OpenWrt:~# strings /dev/mtdblock10 [ 132.018880] mtdblock: MTD device '0:appsblenv' is NAND, please consider using UBI block devices instead. bootcmd=bootipq baudrate=115200 wifi2=7C:F8:54:xx:xx:F3 CRASH_COUNT=0 serialnum81=xxxxxxxxxxxx serialnum=xxxxxxxxxxxxxxx countrycode=EA ethaddr=38:97:A4:xx:xx:60 wifi0=38:97:A4:xx:xx:61 wifi1=38:97:A4:xx:xx:62 eth0addr=38:97:A4:xx:xx:63 eth1addr=38:97:A4:xx:xx:60 wifi1ssid1=elecom-xxxx60 wifi1ssid2=e-tomo-xxxx60 wifi1ssid3=elecom-s-xxxx60 wifi2ssid1=elecom-xxxx60 wifi2ssid2=e-tomo-xxxx60 wifi2ssid3=elecom-s-xxxx60 wifiwpapsk=xxxxxxxxxxxx wifiguestwpapsk=xxxxxxxxxxxx wifiwpspin=xxxxxxxx webguipwd=xxxxxxxx wifisecuritywpapsk=xxxxxxxxxxxx DebugFlag=0 bootdelay=3
