Hi Pragnesh
Hi Rick,
[...]
Following are the configurations, steps and debug logs:
+++ b/configs/ae350_rv64_defconfig q+CONFIG_TRACE=y +CONFIG_TRACE_BUFFER_SIZE=0x01000000 +CONFIG_TRACE_CALL_DEPTH_LIMIT=15 +CONFIG_CMD_TRACE=y +CONFIG_TIMER_EARLY=y
+++ b/configs/ae350_rv64_spl_defconfig +CONFIG_TRACE=y +CONFIG_TRACE_BUFFER_SIZE=0x01000000 +CONFIG_TRACE_CALL_DEPTH_LIMIT=15 +CONFIG_CMD_TRACE=y +CONFIG_TIMER_EARLY=y
//////////////////////////////////////////////// case 1 /////////////////////////////////////////////////// ae350_rv64_defconfig with FTRACE=1, kernel booting is ok //////////////////////////////////////////////// case 1 /////////////////////////////////////////////////// make FTRACE=1 ae350_rv64_defconfig make FTRACE=1 ///////////////////////////////////////////////////////////////////////
[...]
//////////////////////////////////////////////// case 2 /////////////////////////////////////////////////// ae350_rv64_spl_defconfig with FTRACE=1, kernel booting fail //////////////////////////////////////////////// case 2 /////////////////////////////////////////////////// make FTRACE=1 ae350_rv64_spl_defconfig make FTRACE=1 /////////////////////////////////////////////////////////////////////// /////////////// /////////////////////////
[...]
(hang here)
Thanks for the logs.
From logs, I can't find where it got stuck. Can you please use gdb to see where it got stuck ?
Meanwhile I will give it a try on HiFive Unleashed board.
On HiFive Unleashed it works fine with tracing.
U-Boot 2021.01-rc2-00049-gb2a38d1d0f (Dec 01 2020 - 15:04:41 +0530) CPU: rv64imafdc Model: SiFive HiFive Unleashed A00 DRAM: 8 GiB trace: enabled MMC: spi@10050000:mmc@0: 0 Loading Environment from SPIFlash... SF: Detected is25wp256 with page size 256 Bytes, erase size 4 KiB, total 32 MiB *** Warning - bad CRC, using default environment In: serial@10010000 Out: serial@10010000 Err: serial@10010000 Net: eth0: ethernet@10090000 Hit any key to stop autoboot: 0 => => trace stats 178,750 function sites 25,359,991 function calls 1 untracked function calls 1,278,927 traced function calls (24358307 dropped due to overflow) 19 maximum observed call depth 15 call depth limit 25,238,922 calls not traced due to depth => fatload mmc 0:3 0x86000000 hifive-unleashed-a00.dtb 7199 bytes read in 27 ms (259.8 KiB/s) => fatload mmc 0:3 0x84000000 uImage 21421212 bytes read in 19496 ms (1 MiB/s) => bootm 0x84000000 - 0x86000000 ## Booting kernel from Legacy Image at 84000000 ... Image Name: Linux Image Type: RISC-V Linux Kernel Image (uncompressed) Data Size: 21421148 Bytes = 20.4 MiB Load Address: 80200000 Entry Point: 80200000 Verifying Checksum ... OK ## Flattened Device Tree blob at 86000000 Booting using the fdt blob at 0x86000000 Loading Kernel Image Using Device Tree in place at 0000000086000000, end 0000000086004c1e Starting kernel ...(fake run for tracing) Starting kernel ... [ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000 [ 0.000000] Linux version 5.8.0-rc3-16077-g9ebcfadb0610-dirty (pragneshp@sachinj2-OptiPlex-7010) (riscv64-unknown-linux-gnu-gcc (crosstool-NG 1.24.0.37-3f461da) 9.2.0, GNU ld (crosstool-NG 1.24.0.37-3f461da) 2.32) #34 SMP Tue Jul 21 15:56:29 IST 2020 [ 0.000000] initrd not found or empty - disabling initrd [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000080200000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000027fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080200000-0x000000027fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080200000-0x000000027fffffff] .... Welcome to Buildroot buildroot login: root Password:
Please check about the CI failure item Job #95.56 https://travis-ci.org/github/rickchen36/u-boot-riscv/jobs/748298543
Thanks, Rick