Ols 1.8.0 Crash on Almalinux 8

Hello , Today i have update OLS 1.8.0 in directadmin server
an error coredump always logged every minutes if we enable AIO ( useAIO 1 )
but if AIO disabled everything run well .

can you check whats going wrong if AIO enabled and then crash will occured

thanks

Hello @Cold-Egg did you not have any update about this issue ?

I did not see any similar report, please submit the issue to support@litespeedtech.com with this forum post link appended for further help.

I think because AIO feature (UseAIO 1 or 2 ) is not enabled by default so maybe any user still not used that ( in ver 1.8.0)
can you testing on your side sir , because i was test in 3 different machine and got same results

I have tested OLS v1.8.1+ Ubuntu 22.04 + libaio1 without issue. I'm going to test it on AlamaLinux and get back to you.

Still no issue on a clean setup.
May I know if those machines all have DirectAdmin installed? Could you share how you enable/disable the AIO mobile on your server?

yes @Cold-Egg i write configuration in /usr/local/lsws/conf/httpd-tuning.conf

useAIO 1

and then restart lsws , after one or two minutes if any website opening in browser and core dump will created


error from gdb like this

Storage: /var/lib/systemd/coredump/core.litespeed.986.77a12faa4069481eb03ad17dff3d6624.4178558.1711508918000000.lz4
Message: Process 4178558 (litespeed) of user 986 dumped core.

Stack trace of thread 4178558:
#0 0x0000000000505717 _ZN11HttpSession19sendStaticFileAsyncEP12SendFileInfo (openlitespeed)
#1 0x0000000000505b03 _ZN11HttpSession16sendStaticFileExEP12SendFileInfo (openlitespeed)
#2 0x0000000000505f1c _ZN11HttpSession14sendStaticFileEP12SendFileInfo (openlitespeed)
#3 0x000000000050637f _ZN11HttpSession9flushBodyEv (openlitespeed)
#4 0x000000000050abd8 _ZN11HttpSession5flushEv (openlitespeed)
#5 0x000000000049bf7d send_file2 (openlitespeed)
#6 0x0000000000491832 handlerProcess (openlitespeed)
#7 0x00000000004a6ef9 _ZN13ModuleHandler7processEP11HttpSessionPK11HttpHandler (openlitespeed)
#8 0x000000000050819b _ZN11HttpSession14handlerProcessEPK11HttpHandler (openlitespeed)
#9 0x000000000050c3bd _ZN11HttpSession12smProcessReqEv (openlitespeed)
#10 0x000000000050daf0 _ZN11HttpSession8onReadExEv (openlitespeed)
#11 0x00000000004ec1ed _ZN10NtwkIOLink6doReadEv (openlitespeed)
#12 0x00000000004e9bbf _ZN10NtwkIOLink12handleEventsEs (openlitespeed)
#13 0x000000000064248b _ZN5epoll20waitAndProcessEventsEi (openlitespeed)
#14 0x00000000004d938a _ZN15EventDispatcher3runEv (openlitespeed)
#15 0x00000000004b5fee _ZN14HttpServerImpl5startEv (openlitespeed)
#16 0x000000000048a8e6 _ZN11LshttpdMain4mainEiPPc (openlitespeed)
#17 0x000000000048a772 main (openlitespeed)
#18 0x00007fedcf466d85 __libc_start_main (libc.so.6)
#19 0x000000000048b291 _start (openlitespeed)

Thanks, I can reproduce it now (need to visit any site to trigger it), will forward the issue to the LiteSpeed team.

The issue has been addressed and will push it to the next release.

hii @Cold-Egg glad to hear it will be fix in next release
thanks bro

Just wondering: how to enable AIO? There is no KB, or something mentioned in the config.
Thanks.

It's a [New Feature] , https://openlitespeed.org/release-log/version-1-8-x/

I know it's a new feature, but as ctrlaltdel mentioned that he could enable / disable AIO, I thought there is a setting somewhere in the configuration? That's why I am asking how to enable it?

It's under the Server Configuration > Tuning > Static File Delivery Optimization

With DA servers, the GUI is read-only. It would be very helpful if you can update the directives here.
Thank you

Today i try to update 1.8.1 version , in version update logs it says fix for AIO crash
but looks still crash anyway , many coredump file still created after update to 1.8.1
maybe need rechecking @Cold-Egg

thanks

Both my Ubuntu and Almalinux work, if it still not working from your end, please raise a ticket to support@litespeedtech.com with this forum post link appended, we will take a further look from there.