problem with dwmmc ? panic's on bad filesystem...

Hi

I have had this panic several times on rk3399 based systems when the filesystem has gone bad (and just needs a fsck). 
It doesn’t happen on Marvell a3720, so its not arm64 specific, more likely dwmmc specific or maybe the dma on the rk3399 ?

13-stable of today, but problem has been around for a long time..

Anybodu else seen this ? Ideas ?

** SU+J Recovering /dev/mmcsd0p2
** Reading 4194304 byte journal from inode 4.
panic: dwmmc_ring_setup: error != 0 (27)

cpuid = 3
time = 1615451057
KDB: stack backtrace:
db_trace_self() at db_trace_self_wrapper+0x30
	 pc = 0xffff000000513da8  lr = 0xffff00000002f37c
	 sp = 0xffff0000a5dfe240  fp = 0xffff0000a5dfe440

db_trace_self_wrapper() at vpanic+0x184
	 pc = 0xffff00000002f37c  lr = 0xffff000000253e9c
	 sp = 0xffff0000a5dfe450  fp = 0xffff0000a5dfe4b0

vpanic() at panic+0x44
	 pc = 0xffff000000253e9c  lr = 0xffff000000253d14
	 sp = 0xffff0000a5dfe4c0  fp = 0xffff0000a5dfe570

panic() at dwmmc_ring_setup+0x14c
	 pc = 0xffff000000253d14  lr = 0xffff00000053c6cc
	 sp = 0xffff0000a5dfe580  fp = 0xffff0000a5dfe580

dwmmc_ring_setup() at bus_dmamap_load+0xf8
	 pc = 0xffff00000053c6cc  lr = 0xffff00000029cf28
	 sp = 0xffff0000a5dfe590  fp = 0xffff0000a5dfe5b0

bus_dmamap_load() at dwmmc_next_operation+0x27c
	 pc = 0xffff00000029cf28  lr = 0xffff00000053c3e0
	 sp = 0xffff0000a5dfe5c0  fp = 0xffff0000a5dfe600

dwmmc_next_operation() at dwmmc_request+0x130
	 pc = 0xffff00000053c3e0  lr = 0xffff00000053cb04
	 sp = 0xffff0000a5dfe610  fp = 0xffff0000a5dfe650

dwmmc_request() at mmc_wait_for_request+0x128
	 pc = 0xffff00000053cb04  lr = 0xffff0000000c3060
	 sp = 0xffff0000a5dfe660  fp = 0xffff0000a5dfe680

mmc_wait_for_request() at mmcsd_rw+0x1a8
	 pc = 0xffff0000000c3060  lr = 0xffff0000000cc580
	 sp = 0xffff0000a5dfe690  fp = 0xffff0000a5dfe7b0

mmcsd_rw() at mmcsd_task+0x284
	 pc = 0xffff0000000cc580  lr = 0xffff0000000cb098
	 sp = 0xffff0000a5dfe7c0  fp = 0xffff0000a5dfe8f0

mmcsd_task() at fork_exit+0x88
	 pc = 0xffff0000000cb098  lr = 0xffff00000020d294
	 sp = 0xffff0000a5dfe900  fp = 0xffff0000a5dfe950

fork_exit() at fork_trampoline+0x10
	 pc = 0xffff00000020d294  lr = 0xffff000000534a40
	 sp = 0xffff0000a5dfe960  fp = 0x0000000000000000

KDB: enter: panic
[ thread pid 17 tid 100095 ]
Stopped at      kdb_enter+0x40: undefined       d4200000


--
Søren Schmidt
[email protected] / [email protected]
"So much code to hack, so little time"



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