71 lines
2.4 KiB
Diff
71 lines
2.4 KiB
Diff
From df6bb5e959178cba06118493a7c8d019e84d54e7 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Tue, 15 May 2018 13:37:53 +0200
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Subject: [PATCH] shutdown: sleep a little, if a process was killed
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If a process (maybe plymouth) was still pinning /oldroot, then shutdown
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would
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- kill -9 $pid
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- umount_a
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- umount_a
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in a very short timeframe. A small sleep hopefully lets the scheduler free
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up /oldroot in the mean time.
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---
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modules.d/99base/dracut-lib.sh | 7 ++++++-
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modules.d/99shutdown/module-setup.sh | 2 +-
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modules.d/99shutdown/shutdown.sh | 2 +-
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3 files changed, 8 insertions(+), 3 deletions(-)
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diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
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index 99cb9dbc..b78272a3 100755
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--- a/modules.d/99base/dracut-lib.sh
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+++ b/modules.d/99base/dracut-lib.sh
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@@ -118,6 +118,7 @@ str_replace() {
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killall_proc_mountpoint() {
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local _pid
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local _t
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+ local _killed=0
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for _pid in /proc/*; do
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_pid=${_pid##/proc/}
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case $_pid in
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@@ -125,8 +126,12 @@ killall_proc_mountpoint() {
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esac
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[ -e "/proc/$_pid/exe" ] || continue
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[ -e "/proc/$_pid/root" ] || continue
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- strstr "$(ls -l -- "/proc/$_pid" "/proc/$_pid/fd" 2>/dev/null)" "$1" && kill -9 "$_pid"
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+ if strstr "$(ls -l -- "/proc/$_pid" "/proc/$_pid/fd" 2>/dev/null)" "$1" ; then
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+ kill -9 "$_pid"
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+ _killed=1
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+ fi
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done
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+ return $_killed
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}
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getcmdline() {
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diff --git a/modules.d/99shutdown/module-setup.sh b/modules.d/99shutdown/module-setup.sh
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index 5cb3594a..dfd6caa2 100755
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--- a/modules.d/99shutdown/module-setup.sh
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+++ b/modules.d/99shutdown/module-setup.sh
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@@ -14,7 +14,7 @@ depends() {
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# called by dracut
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install() {
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local _d
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- inst_multiple umount poweroff reboot halt losetup stat
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+ inst_multiple umount poweroff reboot halt losetup stat sleep
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inst_multiple -o kexec
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inst "$moddir/shutdown.sh" "$prefix/shutdown"
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[ -e "${initdir}/lib" ] || mkdir -m 0755 -p ${initdir}/lib
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diff --git a/modules.d/99shutdown/shutdown.sh b/modules.d/99shutdown/shutdown.sh
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index 918a8a4f..f21cc811 100755
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--- a/modules.d/99shutdown/shutdown.sh
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+++ b/modules.d/99shutdown/shutdown.sh
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@@ -38,7 +38,7 @@ source_hook pre-shutdown
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warn "Killing all remaining processes"
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-killall_proc_mountpoint /oldroot
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+killall_proc_mountpoint /oldroot || sleep 0.2
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umount_a() {
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local _did_umount="n"
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