> If you can amend the kernel commandline in U-Boot to have > > ~ glamo_mci.sd_max_clk=10000000 > > then the change will have effect from the first time the card is looked > at in Linux and I guess it will work around it. > > I just ordered a bunch of 8GB cards to see if I can reproduce this and > finally solve it. here's the result of cat /proc/cmdline: glamo_mci.sd_max_clk=10000000 rootfstype=jffs2 root=/dev/mtdblock6 console=ttySAC2,115200 console=tty0 loglevel=8 regular_boot mtdparts=physmap-flash:-(nor);neo1973-nand:0x00040000(u-boot),0x00040000(u-boot_env),0x00800000(kernel),0x000a0000(splash),0x00040000(factory),0x0f6a0000(rootfs) cat /sys/module/glamo_mci/parameters/sd_max_clk 10000000
I tried to install debian: SD_PART1_FS=vfat ./install.sh all then it hanged after fdisk process: Writing superblocks and filesystem accounting information: Warning, had trouble writing out superblocks.done This filesystem will be automatically checked every 33 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. then: # dmesg cblk0, sector 7882296 end_request: I/O error, dev mmcblk0, sector 7882304 end_request: I/O error, dev mmcblk0, sector 7882312 glamo-mci glamo-mci.0: Error after cmd: 0x8122 mmcblk0: error -84 sending read/write command glamo-mci glamo-mci.0: Error after cmd: 0x4302 end_request: I/O error, dev mmcblk0, sector 7882320 end_request: I/O error, dev mmcblk0, sector 7882328 end_request: I/O error, dev mmcblk0, sector 7882336 end_request: I/O error, dev mmcblk0, sector 7882344 end_request: I/O error, dev mmcblk0, sector 7882352 end_request: I/O error, dev mmcblk0, sector 7882360 end_request: I/O error, dev mmcblk0, sector 7882368 end_request: I/O error, dev mmcblk0, sector 7882376 etc... _______________________________________________ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
