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liushilongbuaa
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Nov 21, 2023
SAI 9.x requires a SYNCD_SHM_SIZE specified otherwise it will default to 64mb which is insufficient for syncd. E.G. of a few failures seen when insufficient shmem was set ha_init: The file: warmboot_data_0 is of size=762[MB] and is beyond the directory: /dev/shm available storage of size=64[MB]#15 syncd.sh[26074]: Cannot get SYNCD_SHM_SIZE for chip: [869] in /usr/share/sonic/device/x86_64-broadcom_common/syncd_shm.ini. Skip set SYNCD_SHM_SIZE. Syncd hangs here: syncd#syncd: [none] SAI_API_SWITCH:_brcm_sai_shr_ha_section_resize:536 start=0x7f6e641b4000, end=0x7f6e645b4000, len=302276608, free=0x7f6e641b4000 Broadcom recommended using 1gb for DNX devices. Since currently we don't use SAI9.x on master and 202305 this change won't fix anything until we upgrade the SAI on those branches.
liushilongbuaa
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Jul 29, 2024
…-net#19637) Broadcom requires that programmability_ucode_relative_path is set in SAI11. This soc property replaces the legacy custom_feature_ucode_path Without this we get the following error: syncd#supervisord: syncd 0:dbx_file_get_db_location: DB Resource not defined#015 syncd#supervisord: syncd #15#015 syncd#supervisord: syncd 0:dnx_init_pemla_get_ucode_filepath: Error 'Invalid parameter' indicated ; #15#015
liushilongbuaa
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Nov 18, 2024
…7250E platform (sonic-net#20367) Update sonic-platform submodule for Nokia-IXR7250E: Fixes Nokia-ION/ndk#57 cdfbbe2 [H4-32D]Update platform modules after OC tests (Update README.md #17) f28eff0 [H4-64D]Fix SFP+ port, eeprom, reboot-cause, thermal algorithm, add PSU input voltage check (Fix rules in Makefiles #15) 178e15a Minor watchdog change for better retention of last kick stamp c479392 Remove rogue platform_reboot file 331abe0 Enhance watchdog script to detect fsde device hung signature 4c6b7c1 Fixed update temperature issue 5002fb7 Remove average and maximum c620130 No PSU Master status led in IMM. No need to set it Signed-off-by: mlok <[email protected]>
liushilongbuaa
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Dec 10, 2024
…ly (sonic-net#20847) #### Why I did it src/sonic-bmp ``` * bfbd47b - (HEAD -> master, origin/master, origin/HEAD) Merge pull request #15 from FengPan-Frank/makefile (13 hours ago) [Feng-msft] * ad31f5b - Create makefile for build image flow (17 hours ago) [Feng Pan] ``` #### How I did it #### How to verify it #### Description for the changelog
liushilongbuaa
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Jul 8, 2025
…-net#19637) Broadcom requires that programmability_ucode_relative_path is set in SAI11. This soc property replaces the legacy custom_feature_ucode_path Without this we get the following error: syncd#supervisord: syncd 0:dbx_file_get_db_location: DB Resource not defined#015 syncd#supervisord: syncd #15#015 syncd#supervisord: syncd 0:dnx_init_pemla_get_ucode_filepath: Error 'Invalid parameter' indicated ; #15#015
liushilongbuaa
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Mar 17, 2026
…net#25643) * [build] Add build timing report and dependency analysis tools Add three scripts for build performance instrumentation: - scripts/build-timing-report.sh: Parse per-package timing from build logs (HEADER/FOOTER timestamps), generate sorted duration table, phase breakdown, parallelism timeline, and CSV export. - scripts/build-dep-graph.py: Parse rules/*.mk dependency graph, compute critical path, fan-out/fan-in bottleneck analysis, and generate DOT/JSON output for visualization. - scripts/build-resource-monitor.sh: Sample CPU, memory, disk I/O, and Docker container count during builds for resource utilization analysis. Add "make build-report" target to slave.mk that runs the timing report and dependency analysis after a build completes. Example output from a VS build on 24-core/30GB machine: - 210 packages built in 53m wall time (173m CPU) - Max concurrency: 5 (with SONIC_CONFIG_BUILD_JOBS=4) - Critical path: 14 packages deep (libnl -> libswsscommon -> utilities) - Top bottleneck: LIBSWSSCOMMON with 48 downstream dependents Signed-off-by: Rustiqly <[email protected]> * Address Copilot review: fix 17 bugs in build analysis scripts - Use free -m with division instead of free -g to avoid rounding (#1) - Add = and ?= to Makefile dependency regex patterns (#2, #7) - CPU calculation now uses /proc/stat delta (two reads) (#3, #14) - Fix misleading 'critical path estimate' comment (#4) - Fix parallelism timeline comment (60s not 10s) (#5) - Include after-relationship packages in fan stats (#6) - Guard disk I/O division by zero when INTERVAL<=1 (#8) - Remove unused elapsed_line variable (#9) - Remove redundant LIBSWSSCOMMON_DBG check (#10) - Remove active_make_jobs from CSV header comment (#11) - Wire up _RDEPENDS parsing to build reverse deps (#12) - Remove unnecessary 'if v' filter on rdeps JSON (#13) - Remove unused REPORT_FORMAT parameter (#15) - Add cycle detection to critical path algorithm (#16) - Add execute permission check for companion scripts (#17) Signed-off-by: Rustiqly <[email protected]> --------- Signed-off-by: Rustiqly <[email protected]> Co-authored-by: Rustiqly <[email protected]>
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Apr 9, 2026
…dating udevd rules (sonic-net#26343) - Why I did it On SONiC SmartSwitch platforms with DPUs, systemd-udevd crashes with SIGABRT on every reboot when DPU firmware initialization is slow. During the initramfs boot phase, a standalone systemd-udevd daemon is started to handle device discovery. If DPU firmware takes longer than the 60-second udevadm settle timeout (BlueField-3 DPUs can take 120 seconds each in the failure case when they are stuck), the initramfs cannot stop this udevd before switch_root. The stale process survives into the real system but is never chrooted into the overlayfs root, leaving it with a broken filesystem view. When dpu-udev-manager.sh writes udev rules, the stale udevd detects the change and crashes on an assertion in systemd's chase() path resolution (assert(path_is_absolute(p)) at chase.c:648), because dir_fd_is_root() returns false for a process whose root still points to the initramfs rootfs rather than the overlayfs. This triggers a systemd issue : systemd/systemd#29559 which maintainers doesn't consider as a bug from systemd side. Raising this fix for our usecase. Core was generated by `/usr/lib/systemd/systemd-udevd --daemon --resolve-names=never'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f29fe7f695c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 (gdb) bt #0 0x00007f29fe7f695c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f29fe7a1cc2 in raise () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f29fe78a4ac in abort () from /lib/x86_64-linux-gnu/libc.so.6 #3 0x00007f29fea50c11 in ?? () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #4 0x00007f29feb94a8b in chase () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #5 0x00007f29feb956e2 in chase_and_opendir () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #6 0x00007f29feb9a609 in conf_files_list_strv () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #7 0x00007f29fea913e8 in config_get_stats_by_path () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #8 0x0000559f295519cf in ?? () #9 0x0000559f29553a77 in ?? () #10 0x00007f29fec36055 in ?? () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #11 0x00007f29fec3668d in sd_event_dispatch () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #12 0x00007f29fec394a8 in sd_event_run () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #13 0x00007f29fec396c7 in sd_event_loop () from /usr/lib/x86_64-linux-gnu/systemd/libsystemd-shared-257.so #14 0x0000559f29545820 in ?? () #15 0x00007f29fe78bca8 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #16 0x00007f29fe78bd65 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #17 0x0000559f29545c51 in ?? () - How I did it Added a kill_stale_udevd() function to dpu-udev-manager.sh that runs before writing the udev rules. It identifies the systemd-managed udevd PID via systemctl show, then kills any other systemd-udevd --daemon process that doesn't match -- these are leftover initramfs instances. If no stale process exists (e.g. DPUs are healthy and the initramfs udevd exited cleanly), the function is a no-op. - How to verify it Deploy the image on a SmartSwitch with DPUs in a state where firmware initialization times out (>60s per DPU) by stopping image installation before firmware install step Reboot the switch Verify no new systemd-udevd coredumps in /var/core/ Verify the stale process was killed: journalctl -b 0 | grep dpu-udev-manager should show killing stale initramfs udevd PID (systemd udevd is PID ) Verify systemd-udevd.service is healthy: systemctl status systemd-udevd should show active (running) Verify DPU udev rules were written: cat /etc/udev/rules.d/92-midplane-intf.rules should contain the DPU interface naming rules Signed-off-by: Hemanth Kumar Tirupati <[email protected]>
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