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https://sourceware.org/bugzilla/show_bug.cgi?id=12403
Looking at what is enabled at the failure boundaries indicates a futex issue: Support for private futexes was added in 2.6.22 Support for the FUTEX_CLOCK_REALTIME flag was added in 2.6.29 Confirming this is an issue with futex support, glibc built with one of the bad values for --enable-kernel (2.6.27) and manually adjusting the following ...
https://github.com/linuxboot/book/tree/master/coreboot.u-root.systemboot
Nov 19, 2019 · At the time of writing, you need to enable CONFIG_FUTEX in your kernel config. Older versions of Go may require CONFIG_EPOLL. In menuconfig: General setup → Configure standard kernel features (expert users) → Enable futex support; General setup → Configure standard kernel features (expert users) → Enable eventpoll support
https://www4.cs.fau.de/Publications/2016/rothberg_16_gpce.pdf
tion FUTEX, which can be selected by a user if she desires to support fast userspace mutexes. Note that the option is only visible to the user if its dependencies (i.e., EXPERT) are met. A detailed description of the semantics of the Kconfig language can be found in [16]. config FUTEX bool "Enable futex support" if EXPERT default y select RT ...
https://lkml.org/lkml/2019/12/30/491
Dec 31, 2019 · > ./init/Kconfig: bool "Enable full-sized data structures for core" if EXPERT > ./init/Kconfig: bool "Enable futex support" if EXPERT > ./init/Kconfig: bool "Enable eventpoll support" if EXPERT > ./init/Kconfig: bool "Enable signalfd() system call" if EXPERT > ./init/Kconfig: bool "Enable timerfd() system call" if EXPERTAuthor: Al Viro <>
https://how-to.fandom.com/wiki/How_to_configure_the_Linux_kernel/General_setup/Configure_standard_kernel_features_(for_small_systems)
This option enables normal printk support. Removing it eliminates most of the message strings from the kernel image and makes the kernel more or less silent. As this makes it very difficult to diagnose system problems, saying N here is strongly discouraged.
https://www.linux.org/threads/the-linux-kernel-configuring-the-kernel-part-3.8828/
Apr 30, 2019 · For the kernel to run glibc-based programs, FUTEX must be enabled (Enable futex support (FUTEX)). This feature enables Fast Userspace muTEXes. NOTE: glibc (GNU C Library) is the GNU's implementation of the standard C library.
https://community.nxp.com/thread/359922
Jul 24, 2015 · How can we clean image file in /deploy/image/*.bin etc a. Question asked by YaoLin Chang on Jul 24, 2015 ... How can we clean image file and keep kernel source code that we have modified? ... Enable futex support (FUTEX) [Y/n/?] yReviews: 5
https://sourceware.org/bugzilla/show_bug.cgi?id=18463
I dug a bit deeper: Due to commit: 03d41216fe09 arm: Re-enable PI futex support for ARM kernels >= 3.14.3 (a.k.a. glibc-2.21~456) and compiling glibc with --enable-kernel=3.15 it PI futex support is working again. This means PI futex support is deliberately broken^wdisabled for _all_ ARMs on …
https://www.java.com/en/download/help/enable_browser.xml
If Java is already installed but applets do not work, you need to enable Java through your web browser. SOLUTION If you recently installed Java, you may need to restart your browser (close all browser windows and re-open), in order for the browser to recognize the installation.
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