[FS#3854] procd / inittab does not restart compiled c application when it closes
OpenWrt Bugs
openwrt-bugs at lists.openwrt.org
Fri Jun 4 14:51:16 PDT 2021
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User who did this - Ke (kse)
Attached to Project - OpenWrt/LEDE Project
Summary - procd / inittab does not restart compiled c application when it closes
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To -
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
- Device problem occurs on
- Software versions of OpenWrt/LEDE release, packages, etc.
- Steps to reproduce
Issue Overview: I have a test application that should be respawned via procd when/if it is ever closed. Procd doesn't re-launch this application. I have built a test app (detailed below) to limit the variables in testing.
Device: GL-iNet GL-MT300N-V2
Software Versions: OpenWRT Version 19.07.7 (All versions of 19.07 -> 21.02 I have used are currently been experiencing this. 18.06 does not appear to have this issue for me) - Packages included (selected with imagebuilder):
CONFIG_TARGET_ramips=y
CONFIG_TARGET_ramips_mt76x8=y
CONFIG_TARGET_MULTI_PROFILE=y
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_alfa-network_awusfree1=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_alfa-network_awusfree1=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wcr-1166ds=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wcr-1166ds=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_cudy_wr1000=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_cudy_wr1000=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_duzun-dm06=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_duzun-dm06=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_gl-mt300n-v2=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_gl-mt300n-v2=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_glinet_vixmini=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_glinet_vixmini=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_hilink_hlk-7628n=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_hilink_hlk-7628n=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_hc5661a=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_hc5661a=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_hiwifi_hc5861b=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_hiwifi_hc5861b=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_LinkIt7688=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_LinkIt7688=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_mt7628=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_mt7628=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_mac1200r-v2=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_mac1200r-v2=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_netgear_r6120=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_netgear_r6120=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_omega2=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_omega2=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_omega2p=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_omega2p=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_pbr-d1=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_pbr-d1=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_rakwireless_rak633=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_rakwireless_rak633=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_skylab_skw92a=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_skylab_skw92a=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tama_w06=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tama_w06=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_totolink_lr1200=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_totolink_lr1200=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_c20-v4=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_c20-v4=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_c50-v3=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_c50-v3=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_c50-v4=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_c50-v4=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-mr3020-v3=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-mr3020-v3=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-mr3420-v5=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-mr3420-v5=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-wa801nd-v5=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-wa801nd-v5=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-wr802n-v4=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-wr802n-v4=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tl-wr840n-v4=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tl-wr840n-v4=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tl-wr841n-v13=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tl-wr841n-v13=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-wr842n-v5=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-wr842n-v5=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_tplink_tl-wr902ac-v3=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_tplink_tl-wr902ac-v3=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_u7628-01-128M-16M=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_u7628-01-128M-16M=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_vocore2=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_vocore2=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_vocore2lite=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_vocore2lite=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wavlink_wl-wn570ha1=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wavlink_wl-wn570ha1=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wavlink_wl-wn575a3=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wavlink_wl-wn575a3=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_widora_neo-16m=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_widora_neo-16m=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_widora_neo-32m=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_widora_neo-32m=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wiznet_wizfi630s=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wiznet_wizfi630s=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wrtnode2p=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wrtnode2p=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_wrtnode2r=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_wrtnode2r=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_xiaomi_mir4a-100m=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_xiaomi_mir4a-100m=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_miwifi-nano=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_miwifi-nano=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_zbtlink_zbt-we1226=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_zbtlink_zbt-we1226=""
CONFIG_TARGET_DEVICE_ramips_mt76x8_DEVICE_zyxel_keenetic-extra-ii=y
CONFIG_TARGET_DEVICE_PACKAGES_ramips_mt76x8_DEVICE_zyxel_keenetic-extra-ii=""
CONFIG_DEVEL=y
CONFIG_TARGET_PER_DEVICE_ROOTFS=y
CONFIG_LIBCURL_NGHTTP2=y
CONFIG_LIBCURL_THREADED_RESOLVER=y
CONFIG_LIBCURL_ZLIB=y
CONFIG_PACKAGE_arp-scan=y
CONFIG_PACKAGE_arp-scan-database=y
CONFIG_PACKAGE_ca-bundle=y
CONFIG_PACKAGE_libcurl=y
CONFIG_PACKAGE_libmbedtls=y
CONFIG_PACKAGE_libnghttp2=y
CONFIG_PACKAGE_liboping=y
CONFIG_PACKAGE_libpcap=y
CONFIG_PACKAGE_librt=y
CONFIG_PACKAGE_zlib=y
CONFIG_ZLIB_OPTIMIZE_SPEED=y
I am building a fairly a stripped-down build of OpenWRT. However, from what I can tell at least, I should have at least the minimum required dependencies/packages/etc. for the application to be respawned correctly.
Repro steps:
I've written a test application to isolate issues. This test app is configured to respawn in the exact same way I have my primary application configured. After testing with the test app, this issue persists I can confirm it will not respawn when the application is closed. I can also confirm that the applications themselves will launch and run correctly on the machine if executed. The only thing I cannot get to work at the moment is the procd respawn. However, I should also add that I have a shell script does respawn correctly.
Source code for this app:
Base app:
#include
int main() {
printf("Hello, World!");
return 0;
}
Launcher (This is what should respawn on app end)
#include
#include
#include
#include
#include
#include
int main()
{
pid_t pid = fork();
if(pid == 0)
{
char * args[2];
args[0] = malloc(strlen("HelloWorldBase") + 1);
strcpy(args[0], "HelloWorldBase");
args[1] = NULL;
execve("HelloWorldBase", args, NULL);
abort();
}
int status = 0;
wait(&status);
return 0;
}
inittab file:
::sysinit:/etc/init.d/rcS S boot
::shutdown:/etc/init.d/rcS K shutdown
::respawn:/root/app/HelloWorldBaseLauncher
::askconsole:/bin/login
::respawn:/bin/sh /bin/working-script
I have confirmed that application is compiled correctly and will run correctly when it is directly run. I have also confirmed that shell script in /bin/ folder will respawn as expected. It just seems that the compiled application itself will not respawn.
Additionally, I do not see any console output or errors visible from logread when the application should respawn.
More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3854
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