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Map server crash


NotKappa

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[Error] Server received a crash signal attempt to save all online characters

This did happen to me multiple times on 2017-05-14aRagexeRE

1. Once when a party with Lv175 members on share EXP invite someone under Lv145 then this error appeared and map server closed.

The party just finished Ruwaya instance and it's time expired when they invited the Lv145 char.

I solved it by removing the party.

2. And once when I had VIP system enabled and when there is a non VIP Character made on vip slot whenever it tries to save it's information the map-server crash. This got solved by adding more free slots.

I wonder why these crashes do occur.

using this commit https://github.com/rathena/rathena/commit/d770de8015afd31be89e1b125a8c3615a0453f88

Edited by NotKappa
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Do you have any mods that can affect the map server crash? If none, please post this issue here https://github.com/rathena/rathena/issues so the devs could easily notice it.

Would also be better if you could provide more info about the crash.

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No, I have no mods added except gepard which I don't think it would effect this.

Also a player told me that the map server crashed when the party reaches max (12) members.

I have tested myself and the map server did crash for me when a party reaches max members

Edited by NotKappa
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It really helps us to solve the issue when you provide a core dump. If you can reproduce the crash that should be an very easy task.

For more informations see: https://github.com/rathena/rathena/wiki/GDB
 

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40 minutes ago, Jey said:

It really helps us to solve the issue when you provide a core dump. If you can reproduce the crash that should be an very easy task.

For more informations see: https://github.com/rathena/rathena/wiki/GDB
 

is there a similar one for windows?

since I don't want to run it on a live server.

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If you run rathena in Visual Studio there should be an debug mode. Which contains viewing the stack during a crash.

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21 minutes ago, Jey said:

If you run rathena in Visual Studio there should be an debug mode. Which contains viewing the stack during a crash.

here is a screenshot when it crashed.

when I start the server again and login with a char that is in the party the map-server crash again.

image.thumb.png.c702b0213acee24e06b6f5486a155994.png

Edited by NotKappa
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Are you sure you're on `d770de8015afd31be89e1b125a8c3615a0453f88` ?

https://github.com/rathena/rathena/blob/d770de8015afd31be89e1b125a8c3615a0453f88/src/map/clif.c#L7468

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3 minutes ago, Jey said:

Are you sure you're on `d770de8015afd31be89e1b125a8c3615a0453f88` ?

https://github.com/rathena/rathena/blob/d770de8015afd31be89e1b125a8c3615a0453f88/src/map/clif.c#L7468

I have gepard applied so it's probably not the same line.

this is the function I have on that line

void clif_party_info(struct party_data* p, struct map_session_data *sd)
{
	unsigned char buf[2 + 2 + NAME_LENGTH + (4 + NAME_LENGTH + MAP_NAME_LENGTH_EXT + 1 + 1)*MAX_PARTY];
	struct map_session_data* party_sd = NULL;
	int i, c;
#if PACKETVER < 20170502
	int cmd = 0xfb;
	int size = 46;
#else
	int cmd = 0xa44;
	int size = 50;
#endif

	nullpo_retv(p);

	WBUFW(buf, 0) = cmd;
	safestrncpy(WBUFCP(buf, 4), p->party.name, NAME_LENGTH);
	for (i = 0, c = 0; i < MAX_PARTY; i++)
	{
		struct party_member* m = &p->party.member[i];
		if (!m->account_id) continue;

		if (party_sd == NULL) party_sd = p->data[i].sd;

		WBUFL(buf, 28 + c*size) = m->account_id;
		safestrncpy(WBUFCP(buf, 28 + c*size + 4), m->name, NAME_LENGTH);
		mapindex_getmapname_ext(mapindex_id2name(m->map), WBUFCP(buf, 28 + c*size + 28));
		WBUFB(buf, 28 + c*size + 44) = (m->leader) ? 0 : 1;
		WBUFB(buf, 28 + c*size + 45) = (m->online) ? 0 : 1;
#if PACKETVER >= 20170502
		WBUFW(buf, 28 + c*size + 46) = m->class_;
		WBUFW(buf, 28 + c*size + 48) = m->lv;
#endif
		c++;
	}
#if PACKETVER < 20170502
	WBUFW(buf, 2) = 28 + c*size;
#else
	WBUFB(buf, 28 + c*size) = (p->party.item & 1) ? 1 : 0;
	WBUFB(buf, 28 + c*size + 1) = (p->party.item & 2) ? 1 : 0;
	WBUFL(buf, 28 + c*size + 2) = 0; // unknown
	WBUFW(buf, 2) = 28 + c*size + 6;
#endif

	if (sd) { // send only to self
		clif_send(buf, WBUFW(buf, 2), &sd->bl, SELF);
	}
	else if (party_sd) { // send to whole party
		clif_send(buf, WBUFW(buf, 2), &party_sd->bl, PARTY);
	}
}

 

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Okay next step would be if you're able to reproduce the bug on a clean rathena pull. If thats not the cause you already know, there is something wrong with your merge.

It's sometimes hard to find the cause of the problem but I encourage you to keep looking. Good luck!

 

ps: If you're curious if if some parts differ from rathena, I suggest you to use tools like WinMerge/meld to compare certain parts like `clif_party_info`. Spoiler: It seems like your not on the revision you think you are.

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33 minutes ago, Jey said:

Okay next step would be if you're able to reproduce the bug on a clean rathena pull. If thats not the cause you already know, there is something wrong with your merge.

It's sometimes hard to find the cause of the problem but I encourage you to keep looking. Good luck!

 

ps: If you're curious if if some parts differ from rathena, I suggest you to use tools like WinMerge/meld to compare certain parts like `clif_party_info`. Spoiler: It seems like your not on the revision you think you are.

I'm aware it is not the exact same hash since I do apply every single update using winmerge to keep my emulator updated.

I also did copy clif.c pc.c party.c from the rathena git and I still have the same map server crash.

I'll try to reproduce it with a clean copy of rathena

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1 hour ago, Jey said:

Okay next step would be if you're able to reproduce the bug on a clean rathena pull. If thats not the cause you already know, there is something wrong with your merge.

It's sometimes hard to find the cause of the problem but I encourage you to keep looking. Good luck!

 

ps: If you're curious if if some parts differ from rathena, I suggest you to use tools like WinMerge/meld to compare certain parts like `clif_party_info`. Spoiler: It seems like your not on the revision you think you are.

Ok so I used a complete clean copy of rathena without gepard and nothing added. using 2017-05-17 client I got this error

6141325266.png  ac64f514a5.png 

 

Edited by NotKappa
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@Jey solved it in dms

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