[squid-users] FATAL: assertion failed: mem/PageStack.cc:159: "StoredNode().is_lock_free()"

[Nishant Sharma]

Hello,

I am running squid 6.10 on Openwrt 23.05.2, which is cross compiled for 
ramips / mipsel_24kc which has a 32 bit CPU (MT7621A) with 2 cores and 2 
threads.

Squid fails to start in SMP mode when I set workers > 1.

SMP worked fine with squid 4.13 on same architecture.

I have filed a bug report with Openwrt at

https://github.com/openwrt/packages/issues/24469

where someone suggested, "ramips has one CPU and the assert is that 
system pointers are not 64bit."

Below are the logs for debug_options 54,9:

2024/06/27 19:48:45.888| 54,3| mem/Segment.cc(245) unlink: unlinked 
/squid-cf__metadata.shm segment
2024/06/27 19:48:45.888| 54,3| mem/Segment.cc(128) create: created 
/squid-cf__metadata.shm segment: 8
2024/06/27 19:48:45.888| 54,5| mem/Segment.cc(211) lock: mlock(2)-ing 
disabled
2024/06/27 19:48:45.889| 54,3| mem/Segment.cc(245) unlink: unlinked 
/squid-cf__queues.shm segment
2024/06/27 19:48:45.889| 54,3| mem/Segment.cc(128) create: created 
/squid-cf__queues.shm segment: 32852
2024/06/27 19:48:45.889| 54,5| mem/Segment.cc(211) lock: mlock(2)-ing 
disabled
2024/06/27 19:48:45.890| 54,3| mem/Segment.cc(245) unlink: unlinked 
/squid-cf__readers.shm segment
2024/06/27 19:48:45.890| 54,3| mem/Segment.cc(128) create: created 
/squid-cf__readers.shm segment: 40
2024/06/27 19:48:45.890| 54,5| mem/Segment.cc(211) lock: mlock(2)-ing 
disabled
2024/06/27 19:48:45.891| 54,7| Queue.cc(50) QueueReader: constructed ipcQR1
2024/06/27 19:48:45.891| 54,7| Queue.cc(50) QueueReader: constructed ipcQR2
2024/06/27 19:48:45.891| 54,5| mem/PageStack.cc(129) IdSetMeasurements: 
rounded capacity up from 8192 to 8192
2024/06/27 19:48:45.891| 54,3| mem/Segment.cc(245) unlink: unlinked 
/squid-squid-page-pool.shm segment
2024/06/27 19:48:45.892| 54,3| mem/Segment.cc(128) create: created 
/squid-squid-page-pool.shm segment: 268437592
2024/06/27 19:48:45.892| 54,5| mem/Segment.cc(211) lock: mlock(2)-ing 
disabled
2024/06/27 19:48:45.892| 54,5| mem/PageStack.cc(129) IdSetMeasurements: 
rounded capacity up from 8192 to 8192
2024/06/27 19:48:45| FATAL: assertion failed: mem/PageStack.cc:159: 
"StoredNode().is_lock_free()"


Any pointers would be really helpful.

Thanks in advance.

Regards,
Nishant