Config_detect_softlockup

Author: wgbd

August undefined, 2024

WebThis feature is an extension of the softlockup detector. When enabled, per-CPU watchdog tasklets are created, which try to run periodically and update a timestamp. If they get delayed for more than then the configured threshold a callback from the timer interrupt detects this condition and prints out a warning message similar to what is ... WebAs your mail suggested way to catch software lockup, I added CONFIG_DETECT_SOFTLOCKUP and all (except the one that are related to the blackbox patches) and used sysfs to set the suggested values for timeout and it fixes the lockup during suspend!!! And I can also resume without problem. Grrr.

[PATCH v2] softlockup: decouple hung tasks check from …

WebA 'softlockup' is defined as a bug that causes the kernel to loop in kernel mode for more than 20 seconds (see "Implementation" below for details), without giving other tasks a chance to run. The current stack trace is displayed upon detection and, by default, the system will stay locked up. Webthis did not solve the soft-lockup but improved the situation somewhat in that the locked CPUs get woken up more regularly by activity on other CPUs (I guess). It lowers the … hide quick launch in sharepoint online

use the System Configuration utility - Windows Client

WebOct 17, 2011 · OK, CONFIG_DETECT_SOFTLOCKUP is already set by something else. I just kicked off a build with a test kernel RPM to check for kABI impact of the cpuinfo_x86 changes. Comment 30 Rik van Riel 2008-10-08 16:03:50 UTC *** ERROR - ABI BREAKAGE WAS DETECTED *** The following symbols have been changed (this will … WebThe faster customized kernel was optimized for speed and all kernel debugging and kernel hacking functionality was removed. Removing CONFIG_DEBUG_KERNEL had the biggest impact on performance by far. The additional interrups, bookkeeping routines, and checking routines that run in a debug kernel seriously hinder kernel performance. WebOct 15, 2024 · Here’s how you can access the System Configuration tool (MSConfig) using Run: Step 1: Press the Windows + R shortcut to open the Run dialog. Step 2: Click on … how far ahead can you prepare lasagna

linux/debug.config at master · torvalds/linux · GitHub

IT log book: Linux – what are “CPU lockups”? - Seibert Media

WebJun 13, 2016 · とりあえず以下のパラメータを変更して再起動してみたところエラーは出なくなり速度も通常の状態まで戻りました。これを /boot/config-3.10.0 … Web24 directories containing CONFIG_DETECT_HUNG_TASK in Kconfig Model-Matrix. Daily updated index of the presence and value of this variable for each model. Last update: 2024-04-11 04:26 GMT. Showing all models using this variable. Click any column header (click-wait-click) to sort the list by the respective data. hider applicationWebconfig DETECT_HUNG_TASK: bool "Detect Hung Tasks" depends on DEBUG_KERNEL: default SOFTLOCKUP_DETECTOR: help: Say Y here to enable the kernel to detect … hide read receipts teams

"" - Config_detect_softlockup

Config_detect_softlockup

[PATCH] Fix softlockup_thresh unaligned access and disable detection …

Webobj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o +obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o obj … WebSep 28, 2024 · This file shows up if CONFIG_DETECT_HUNG_TASK and CONFIG_SMP are enabled. 0: Won't show all CPUs backtraces when a hung task is detected. ... softlockup_all_cpu_backtrace ===== This value controls the soft lockup detector thread's behavior when a soft lockup condition is detected as to whether or not to gather further …

Did you know?

Web# config_ubsan_alignment is not set # config_ubsan_div_zero is not set # config_ubsan_trap is not set # config_warn_all_unseeded_random is not set: config_debug_fs=y: config_debug_fs_allow_all=y: config_debug_irqflags=y: config_ubsan=y: config_ubsan_bool=y: config_ubsan_bounds=y: … WebSoftlockup detector and hardlockup detector (aka nmi_watchdog)¶ The Linux kernel can act as a watchdog to detect both soft and hard lockups. A ‘softlockup’ is defined as a bug that causes the kernel to loop in kernel mode for more than 20 seconds (see “Implementation” below for details), without giving other tasks a chance to run.

WebDec 1, 2007 · this patch extends the soft-lockup detector to automatically detect hung TASK_UNINTERRUPTIBLE tasks. Such hung tasks are printed the following way: -------- … WebFix unaligned access errors when setting softlockup_thresh on 64 bit platforms. Allow softlockup detection to be disabled by setting softlockup_thresh <= 0. Detect that boot time softlockup detection has been disabled earlier in softlockup_tick. Signed-off-by: Dimitri Sivanich --- include/linux/sched.h 2 +-

WebNov 22, 2007 · Automagical Kernel Configuration The automatic kernel configuration is an obvious application of the driver database. It combines an hardware detection, that could be easy performed checking buses in /sys/bus. The Automagical Kernel Configuration has an own AutoKernConf project page. News Important news about the project: 2007-11-22: … WebDec 11, 2024 · touch_softlockup_watchdog() to defer the cpu clock access to a later point. The test case for this problem is to use the following kernel config options: CONFIG_KGDB_TESTS=y CONFIG_KGDB_TESTS_ON_BOOT=y CONFIG_KGDB_TESTS_BOOT_STRING="V1F100I100000" It should be noted that …

WebJan 12, 2024 · The kernel detects when there is too much time gone between two timer ticks. This easily happens, if the system is halted with the debugger. Please switch off the soft lockup detection by disabling CONFIG_DETECT_SOFTLOCKUP in the kernel …

WebOK, running a build with # CONFIG_DETECT_SOFTLOCKUP is not set I'll test with that and report on the outcome. I had been assuming that the softlockup might shed light on the accompanied hang/hard lockup (no response to SYSRQ sequences. Soflockup detection is something I CAN live without. - Thanks. how far ahead can you renew passportWebJul 18, 2007 · Control the trigger limit for softlockup warnings. This is useful for debugging softlockups, by lowering the softlockup_thresh to identify possible softlockups earlier. This patch: 1. Adds a sysctl softlockup_thresh with valid values of 1-60s (Higher value to disable false positives) 2. Changes the softlockup printk to print the cpu softlockup time hide read shardsWebFeb 6, 2014 · CONFIG_DETECT_SOFTLOCKUP: Detect Soft Lockups General informations. The Linux kernel configuration item CONFIG_DETECT_SOFTLOCKUP: … how far ahead can you renew a passportWebSee Softlockup detector and hardlockup detector (aka nmi_watchdog) for more information. This can also be set using the nmi_watchdog kernel parameter. ... This file shows up if CONFIG_DETECT_HUNG_TASK and CONFIG_SMP are enabled. 0: Won’t show all CPUs backtraces when a hung task is detected. This is the default behavior. 1: Will non … hide pythonWebconfigname: CONFIG_SOFTLOCKUP_DETECTOR Linux Kernel Configuration └─> Kernel hacking └─> Debug Oops, Lockups and Hangs └─> Detect Soft Lockups Say Y … hider app downloadWebJun 22, 2008 · Vegard From: Vegard Nossum Date: Sun, 22 Jun 2008 14:12:31 +0200 Subject: [PATCH] softirq softlockup debugging From the Kconfig: If a softlockup happens in a softirq, the softlockup stack trace is utterly unhelpful; it will only show the stack up to __do_softirq (), since this is where interrupts are reenabled. hide razor tin airportWebsoftlockup: decouple hung tasks check from softlockup detection Decoupling allows: * hung tasks check to happen at very low priority * hung tasks check and softlockup to be … how far ahead can you renew your passport