Messages in this thread | | | Subject | Re: CHIPPro NAND issue with 4.12 rc1 | Date | Tue, 23 May 2017 16:46:33 -0600 | From | Angus Ainslie <> |
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On 2017-05-23 13:52, Maxime Ripard wrote: > On Mon, May 22, 2017 at 10:32:42AM -0600, Angus Ainslie wrote: >> Hi Maxime >> >> On 2017-05-22 01:01, Maxime Ripard wrote: >> > >> > This just made me realise, this is also the time where the clocks are >> > disabled, and we changed our clock implementation in 4.11. >> > >> > And using the 4.4 DT will keep the old driver... >> > >> > Did you test in 4.11? If it's also broken, could you try to revert >> > 1f4ce3b6ca79 and 6b48644b1d29 (I'm not sure it's going to be a trivial >> > revert, but in that order it should work). >> > >> >> Thanks reverting those two allow the kernel to boot and mount the >> NAND. > > Ok, good. > > If you unrevert those patches, and add clk_ignore_unused to the kernel > command line, is it still broken? > > Maxime
Putting those back in with the changed command line doesn't work
[ 5.840000] UBI error: cannot open mtd 4, error -19 [ 5.840000] hctosys: unable to open rtc device (rtc0) [ 5.860000] clk: Not disabling unused clocks [ 5.860000] vcc3v0: disabling [ 5.870000] ALSA device list: [ 5.870000] #0: sun4i-codec [ 5.880000] VFS: Cannot open root device "ubi0:rootfs" or unknown-block(0,0): error -19 [ 5.890000] Please append a correct "root=" boot option; here are the available partitions: [ 5.910000] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 5.910000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-rc2TNCPro #14 [ 5.910000] Hardware name: Allwinner sun4i/sun5i Families [ 5.910000] [<c010e440>] (unwind_backtrace) from [<c010b01c>] (show_stack+0x10/0x14) [ 5.910000] [<c010b01c>] (show_stack) from [<c0372cac>] (dump_stack+0x84/0x98) [ 5.910000] [<c0372cac>] (dump_stack) from [<c01ad0b0>] (panic+0xdc/0x248) [ 5.910000] [<c01ad0b0>] (panic) from [<c0a01208>] (mount_block_root+0x198/0x270) [ 5.910000] [<c0a01208>] (mount_block_root) from [<c0a014a8>] (prepare_namespace+0x9c/0x198) [ 5.910000] [<c0a014a8>] (prepare_namespace) from [<c0a00e40>] (kernel_init_freeable+0x1d8/0x1e8) [ 5.910000] [<c0a00e40>] (kernel_init_freeable) from [<c0711e74>] (kernel_init+0x8/0x110) [ 5.910000] [<c0711e74>] (kernel_init) from [<c0107578>] (ret_from_fork+0x14/0x3c) [ 5.910000] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 6.430000] g_cdc gadget: high-speed config #1: CDC Composite (ECM + ACM)
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