[squid-users] Too many ERROR: Collapsed forwarding queue overflow for kid2 at 1024 items

[Alex Rousskov]

On 11/22/21 3:59 AM, Loučanský Lukáš wrote:

> I'm running Squid Object Cache: Version 6.0.0-20211116-r90086c5a8 for
> about 14hrs now. I've noticed many new  "ERROR: Collapsed forwarding
> queue overflow for kid2 at 1024 items" after about 11hrs runtime.

Ignore queue overflows (for now) because they are a known side effect of
assertions.


> 2021/11/22 07:54:24 kid2| assertion failed: store.cc:1094: "store_status == STORE_PENDING"
> 2021/11/22 08:51:48 kid1| assertion failed: store.cc:1094: "store_status == STORE_PENDING"

I recommend filing a bug report with Squid Bugzilla and providing a
stack trace ("bt full") from this assertion. If possible, please keep
the core dump for further analysis.


Thank you,

Alex.



> -----Original Message-----
> From: Alex Rousskov [mailto:rousskov at measurement-factory.com] 
> Sent: Sunday, November 21, 2021 8:28 PM
> To: Loučanský Lukáš; squid-users at lists.squid-cache.org
> Subject: Re: [squid-users] Too many ERROR: Collapsed forwarding queue overflow for kid2 at 1024 items
> 
> On 11/21/21 2:08 PM, Loučanský Lukáš wrote:
>> Hello, I've replaced src/ipc/ReadWritelock.cc and ReadWriteLock.h with 
>> modified versions (with finalizeExclusive calls), but afeter some time 
>> I have got queue overflows agains.
> 
> After each bug fix, we have to restart the triage sequence from scratch:
> Any assertions, crashes, FATAL messages or similar things leading to kid deaths? If they are present, then they explain queue overflows.
> 
> 
>> So I've downloaded squid-6.0.0-20211116-r90086c5a8 - run it with my v5 
>> configure and now I'm testing it. So far I get these:
>> 2021/11/21 19:05:06 kid1| BUG: missing ENTRY_REQUIRES_COLLAPSING for
> 
> Noted. If you cannot reproduce this bug at will, then I recommend focusing on other, easier-to-address problems first.
> 
> Alex.
>