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Enable U-Boot mtest command

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Rodrigo Arias 2024-07-10 17:32:58 +02:00
parent 31f8557799
commit 28efecdbc7
2 changed files with 31 additions and 0 deletions
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30
JOURNAL.md
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@ -1176,3 +1176,33 @@ request Ctrl+O then 'z'.
Maybe I can try disabling the huge pages, just to discard that it may be
related to it: `CONFIG_HUGETLBFS`.
Same hang with huge pages disabled, but a bit further ~70 MB.
### OBSERVATION: The Linux memtest fails in the first round
[ 0.000000] Linux version 6.9.7 (nixbld@localhost) (riscv64-unknown-linux-gnu-gcc (GCC) 13.3.0, GNU ld (GNU Binutils) 2.41) #1-NixOS Thu Jun 27 11:52:32 UTC 2024
[ 0.000000] Machine model: Barcelona Supercomputing Center - Lagarto Ox (NixOS)
[ 0.000000] SBI specification v2.0 detected
[ 0.000000] SBI implementation ID=0x1 Version=0x10004
[ 0.000000] SBI TIME extension detected
[ 0.000000] SBI IPI extension detected
[ 0.000000] SBI RFENCE extension detected
[ 0.000000] SBI DBCN extension detected
[ 0.000000] earlycon: sbi0 at I/O port 0x0 (options '')
[ 0.000000] printk: legacy bootconsole [sbi0] enabled
[ 0.000000] Reserved memory: created DMA memory pool at 0x0000000060000000, size 256 MiB
[ 0.000000] OF: reserved mem: initialized node dma_pool@60000000, compatible id shared-dma-pool
[ 0.000000] OF: reserved mem: 0x0000000060000000..0x000000006fffffff (262144 KiB) map non-reusable dma_pool@60000000
[ 0.000000] Reserved memory: created DMA memory pool at 0x0000000070000000, size 256 MiB
[ 0.000000] OF: reserved mem: initialized node dma_pool@70000000, compatible id shared-dma-pool
[ 0.000000] OF: reserved mem: 0x0000000070000000..0x000000007fffffff (262144 KiB) map non-reusable dma_pool@70000000
[ 0.000000] cma: Reserved 16 MiB at 0x00000000bf000000 on node -1
[ 0.000000] early_memtest: # of tests: 3
[ 0.000000] 0x0000000080000000 - 0x0000000080013000 pattern 5555555555555555
This is not suggesting that the problem is not in the virtual memory, but with
the actual physical memory.
I will try a similar test with uboot with the `mtest` command, but requires
enabling it first.

1
lagarto-ox.nix
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@ -253,6 +253,7 @@
CONFIG_DEBUG_SBI_CONSOLE=y
CONFIG_SMP=n
CONFIG_TRACE_EARLY=y
CONFIG_CMD_MEMTEST=y
''
# # Enable debug logs
# +