The following assumes the base-devel group and git are installed and I recomend enabling [url=https://wiki.archlinux.org/index.php/Makepkg#Parallel_compilation]Makepkg#Parallel_compilation[/url] to reduce build times [code] $ git clone git://git.archlinux.org/svntogit/packages.git --single-branch --branch "packages/linux" $ cd packages/trunk $ git checkout f1c97a49a09b0fd8d7d1c3f6e8e635ef45974373 #5.3.2.arch1-1 $ cd ../.. $ cp -r packages/trunk linux-git $ rm -rf packages $ cd linux-git # Edit replace the PKGBUILD, 60-linux and 90-linux.hook with the ones below $ makepkg -rsi #This is to confirm 5.3.2 as built on your system does not have the issue. Update bootloader for new kernel if needed $ cd linux-git/src/linux $ git checkout v5.3.4 $ cd ../.. $ makepkg -ersi #This is to confirm 5.3.4 as built on your system does have the issue select the default option for all prompted options $ cd linux-git/src/linux/ $ git bisect start $ git bisect good v5.3.2 $ git bisect bad v5.3.4 $ cd ../.. $ makepkg -ersif $ cd linux-git/src/linux/ $ git bisect $result #Substitue good or bad here $ cd ../.. $ makepkg -ersif #Repeat these four lines and test the generated kernel until git has found the bad commit [/code] PKGBUILD [code] # Maintainer: Boohbah # Contributor: Tobias Powalowski # Contributor: Thomas Baechler # Contributor: Jonathan Chan # Contributor: misc # Contributor: NextHendrix pkgbase=linux-git _srcname=linux pkgver=5.3.2.r0.gb09339127155 pkgrel=1 arch=('x86_64') url="https://www.kernel.org/" license=('GPL2') makedepends=('kmod' 'inetutils' 'bc' 'libelf') options=('!strip') source=(#'git+https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git#tag=X.X' 'git+https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git#tag=v5.3.2' 'config' # the main kernel config file '60-linux.hook' # pacman hook for depmod '90-linux.hook' # pacman hook for initramfs regeneration 'linux.preset' # standard config files for mkinitcpio ramdisk ) sha256sums=('SKIP' '7d09d1d79a4ecb82502b4483cf989ede3f643e05613de45e12563dfe85d80423' 'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21' '75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919' 'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65') _kernelname=${pkgbase#linux} : ${_kernelname:=-ARCH} pkgver() { cd "${_srcname}" git describe --long | sed -E 's/^v//;s/([^-]*-g)/r\1/;s/-/./g;s/\.rc/rc/' } prepare() { cd ${_srcname} cp -Tf ../config .config # set localversion to git commit sed -i "s|CONFIG_LOCALVERSION=.*|CONFIG_LOCALVERSION=\"${_kernelname}\"|g" ./.config sed -i "s|^.*CONFIG_LOCALVERSION_AUTO.*|CONFIG_LOCALVERSION_AUTO=y|" ./.config # don't run depmod on 'make install'. We'll do this ourselves in packaging # git tracks scripts/depmod.sh so do not change it when using the existing source dir for bisection # sed -i '2iexit 0' scripts/depmod.sh # get kernel version make prepare # load configuration # Configure the kernel. Replace the line below with one of your choice. #make menuconfig # CLI menu for configuration #make nconfig # new CLI menu for configuration #make xconfig # X-based configuration #make oldconfig # using old config from previous kernel version make olddefconfig # old config from previous kernel, defaults for new options # ... or manually edit .config } build() { cd ${_srcname} make bzImage modules } _package() { pkgdesc="The Linux kernel and modules (git version)" depends=('coreutils' 'linux-firmware' 'kmod' 'mkinitcpio>=0.7') optdepends=('crda: to set the correct wireless channels of your country') backup=("etc/mkinitcpio.d/${pkgbase}.preset") install=linux.install cd ${_srcname} # get kernel version _kernver="$(make kernelrelease)" _kernver=${_kernver%-dirty} #https://bbs.archlinux.org/viewtopic.php?id=236702 _basekernel="$(make kernelversion)" _basekernel=${_basekernel%.*} mkdir -p "${pkgdir}"/{boot,usr/lib/modules} make INSTALL_MOD_PATH="${pkgdir}/usr" modules_install cp arch/x86/boot/bzImage "${pkgdir}/boot/vmlinuz-${pkgbase}" # make room for external modules local _extramodules="extramodules-${_basekernel}${_kernelname}" ln -s "../${_extramodules}" "${pkgdir}/usr/lib/modules/${_kernver}/extramodules" # add real version for building modules and running depmod from hook echo "${_kernver}" | install -Dm644 /dev/stdin "${pkgdir}/usr/lib/modules/${_extramodules}/version" # remove build and source links rm "${pkgdir}"/usr/lib/modules/${_kernver}/{source,build} # now we call depmod... depmod -b "${pkgdir}/usr" -F System.map "${_kernver}" # add vmlinux install -Dt "${pkgdir}/usr/lib/modules/${_kernver}/build" -m644 vmlinux # sed expression for following substitutions local _subst=" s|%PKGBASE%|${pkgbase}|g s|%KERNVER%|${_kernver}|g s|%EXTRAMODULES%|${_extramodules}|g " # hack to allow specifying an initially nonexisting install file sed "${_subst}" "${startdir}/${install}" > "${startdir}/${install}.pkg" true && install=${install}.pkg # install mkinitcpio preset file sed "${_subst}" ../linux.preset | install -Dm644 /dev/stdin "${pkgdir}/etc/mkinitcpio.d/${pkgbase}.preset" # install pacman hooks sed "${_subst}" ../60-linux.hook | install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/60-${pkgbase}.hook" sed "${_subst}" ../90-linux.hook | install -Dm644 /dev/stdin "${pkgdir}/usr/share/libalpm/hooks/90-${pkgbase}.hook" } _package-headers() { pkgdesc="Header files and scripts for building modules for Linux kernel (git version)" cd ${_srcname} local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build" install -Dt "${_builddir}" -m644 Makefile .config Module.symvers install -Dt "${_builddir}/kernel" -m644 kernel/Makefile mkdir "${_builddir}/.tmp_versions" cp -t "${_builddir}" -a include scripts install -Dt "${_builddir}/arch/x86" -m644 arch/x86/Makefile install -Dt "${_builddir}/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s cp -t "${_builddir}/arch/x86" -a arch/x86/include install -Dt "${_builddir}/drivers/md" -m644 drivers/md/*.h install -Dt "${_builddir}/net/mac80211" -m644 net/mac80211/*.h # http://bugs.archlinux.org/task/13146 install -Dt "${_builddir}/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h # http://bugs.archlinux.org/task/20402 install -Dt "${_builddir}/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h install -Dt "${_builddir}/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h install -Dt "${_builddir}/drivers/media/tuners" -m644 drivers/media/tuners/*.h # add xfs and shmem for aufs building mkdir -p "${_builddir}"/{fs/xfs,mm} # copy in Kconfig files find . -name Kconfig\* -exec install -Dm644 {} "${_builddir}/{}" \; # add objtool for external module building and enabled VALIDATION_STACK option install -Dt "${_builddir}/tools/objtool" tools/objtool/objtool # remove unneeded architectures local _arch for _arch in "${_builddir}"/arch/*/; do [[ ${_arch} == */x86/ ]] && continue rm -r "${_arch}" done # remove files already in linux-docs package rm -r "${_builddir}/Documentation" # remove now broken symlinks find -L "${_builddir}" -type l -printf 'Removing %P\n' -delete # Fix permissions chmod -R u=rwX,go=rX "${_builddir}" # strip scripts directory local _binary _strip while read -rd '' _binary; do case "$(file -bi "${_binary}")" in *application/x-sharedlib*) _strip="${STRIP_SHARED}" ;; # Libraries (.so) *application/x-archive*) _strip="${STRIP_STATIC}" ;; # Libraries (.a) *application/x-executable*) _strip="${STRIP_BINARIES}" ;; # Binaries *) continue ;; esac /usr/bin/strip ${_strip} "${_binary}" done < <(find "${_builddir}/scripts" -type f -perm -u+w -print0 2>/dev/null) } _package-docs() { pkgdesc="Kernel hackers manual - HTML documentation that comes with the Linux kernel (git version)" cd ${_srcname} local _builddir="${pkgdir}/usr/lib/modules/${_kernver}/build" mkdir -p "${_builddir}" cp -t "${_builddir}" -a Documentation # Fix permissions chmod -R u=rwX,go=rX "${_builddir}" } pkgname=("${pkgbase}" "${pkgbase}-headers" "${pkgbase}-docs") for _p in ${pkgname[@]}; do eval "package_${_p}() { $(declare -f "_package${_p#${pkgbase}}") _package${_p#${pkgbase}} }" done # vim:set ts=8 sts=2 sw=2 et: [/code] 60-linux.hook [code] [Trigger] Type = File Operation = Install Operation = Upgrade Target = boot/vmlinuz-%PKGBASE% Target = usr/lib/initcpio/* [Action] Description = Updating %PKGBASE% initcpios... When = PostTransaction Exec = /usr/bin/mkinitcpio -p %PKGBASE% [/code] 90-linux.hook [code] [Trigger] Type = File Operation = Install Operation = Upgrade Target = boot/vmlinuz-%PKGBASE% Target = usr/lib/initcpio/* [Action] Description = Updating %PKGBASE% initcpios... When = PostTransaction Exec = /usr/bin/mkinitcpio -p %PKGBASE% [/code]