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Error in varnish child
Hi
I have this error on my varnish instance , is this important or i can ignore it?:

varnish-03 varnishd/varnish[43288]: Child (110695) Last panic at: Mon, 06 Jul 2020 10:20:46 GMT
"Assert error in child_sigsegv_handler(), mgt/mgt_child.c line 282:
Condition(Segmentation fault by instruction at 0x7f1481c75e70) not true.
errno = 11 (Resource temporarily unavailable)
thread = (cache-worker)
version = varnish-4.1.1 revision 66bb824
ident = Linux,4.4.0-174-generic,x86_64,-junix,-smalloc,-smalloc,-hcritbit,epoll
Backtrace:
0x433295: varnishd() [0x433295]
0x452543: varnishd() [0x452543]
0x7fe2ebc0e390: libpthread.so.0(+0x11390) [0x7fe2ebc0e390]
0x42e82d: varnishd(Lck__Lock+0xd) [0x42e82d]
0x44cde9: varnishd() [0x44cde9]
0x429122: varnishd(HSH_Lookup+0x512) [0x429122]
0x43743a: varnishd(CNT_Request+0x17ba) [0x43743a]
0x44e49e: varnishd(HTTP1_Session+0xbe) [0x44e49e]
0x43952d: varnishd(SES_Proto_Req+0x5d) [0x43952d]
0x448e4a: varnishd() [0x448e4a]
req = 0x7f3ffcc89020 {
vxid = 839124106, step = R_STP_LOOKUP,
req_body = R_BODY_NONE,
restarts = 0, esi_level = 0,
sp = 0x7f10b2f9fa20 {
fd = 37, vxid = 839123508,
client = 172.20.30.235 37944,
step = S_STP_H1PROC,
},
worker = 0x7f0683bf2c80 {
stack = {0x7f0683bf3000 -> 0x7f0683be7000},
ws = 0x7f0683bf2e78 {
id = \"wrk\",
{s,f,r,e} = {0x7f0683bf2420,0x7f0683bf2420,(nil),+2040},
},
VCL::method = HASH,
VCL::return = lookup,
VCL::methods = {RECV, PASS, HASH, MISS, HIT, DELIVER},
},
ws = 0x7f3ffcc89200 {
id = \"req\",
{s,f,r,e} = {0x7f3ffcc8b000,+440,+57336,+57336},
},
http_conn = 0x7f3ffcc89128 {
fd = 37,
doclose = NULL,
ws = 0x7f3ffcc89200,
{rxbuf_b, rxbuf_e} = {0x7f3ffcc8b000, 0x7f3ffcc8b185},
{pipeline_b, pipeline_e} = {(nil), (nil)},
content_length = -1,
body_status = none,
first_byte_timeout = 0.000000,
first_byte_timeout = 0.000000,
between_bytes_timeout = 0.000000,
},
http[req] = 0x7f3ffcc89298 {
ws[req] = 0x7f3ffcc89200,
hdrs {
\"GET\",
\"/v1/AUTH_731f10a999d448c386af549af42849e7/471296768/228582\",
\"HTTP/1.1\",
\"Host: 172.20.30.235:6081\",
\"Accept: */*\",
\"X-Auth-Token:gAAAAABdXPtucjrhDJFszhLvKGI32-udc8jHUN5MjdX0GYd-4FysjFwgs4LM26dAybpl
\"Accept-Encoding: gzip\",
\"X-Varnish: 513085692\",
\"X-Forwarded-For: 172.20.30.170, 172.20.30.235\",
},
},
vcl = {
temp = warm
srcname = {
\"/etc/varnish/default.vcl\",
\"Builtin\",
},
},
flags = {
},
},

"


Best Regards
Re: Error in varnish child [ In reply to ]
On Mon, Aug 3, 2020 at 11:28 AM hamidreza hosseini
<hrhosseini@hotmail.com> wrote:
>
> Hi
> I have this error on my varnish instance , is this important or i can ignore it?:

No, you should promptly do something about it.

First off, Varnish 4.1 is no longer supported. You should be able to
update to 4.1.10 without a configuration change to benefit from years
of bug fixes, then consider upgrading to 6.0 sooner than later.

Dridi
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Re: Error in varnish child [ In reply to ]
Hi
1.First of all, I send my private information , please remove the last email that i send to varnish-misc
2.My varnish's version is 6.0 and the VCL version is 4.1
I think its the last version that are supported now
3.About the problem that i send the log, can you say something about it?
Best Regards,
________________________________
From: Dridi Boukelmoune <dridi@varni.sh>
Sent: Monday, August 3, 2020 8:47 AM
To: hamidreza hosseini <hrhosseini@hotmail.com>
Cc: varnish-misc@varnish-cache.org <varnish-misc@varnish-cache.org>
Subject: Re: Error in varnish child

On Mon, Aug 3, 2020 at 11:28 AM hamidreza hosseini
<hrhosseini@hotmail.com> wrote:
>
> Hi
> I have this error on my varnish instance , is this important or i can ignore it?:

No, you should promptly do something about it.

First off, Varnish 4.1 is no longer supported. You should be able to
update to 4.1.10 without a configuration change to benefit from years
of bug fixes, then consider upgrading to 6.0 sooner than later.

Dridi