#20387: regression in uboot-sunxi causing boot failure.
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Reporter: yousong | Owner: developers
Type: defect | Status: new
Priority: high | Milestone:
Component: packages | Version: Trunk
Resolution: | Keywords:
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Comment (by yousong):
That `-110` error code from kernel is `ETIMEOUT` (`include/uapi/asm-
generic/errno.h`), comparable to that `-19` (`TIMEOUT`) error from U-Boot.
But the root cause was not some timeout. It is caused by
`SUNXI_MMC_RINT_RESP_CRC_ERROR` when waiting for
`SUNXI_MMC_RINT_COMMAND_DONE` within `sunxi_mmc_send_cmd()` when trying to
switch the card mode to `SD_HIGHSPEED`. If I ignore that failure, U-Boot
continued fine but the kernel cannot mount rootfs from `/dev/mmcblk0p2`
because it cannot initialise the SD card.
The situation should be almost the same with the kernel code. Anyway,
that clock divider change from the controller-internal one to mod0-clk is
erroneous.
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Ticket URL: <https://dev.openwrt.org/ticket/20387#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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