PF + BRIDGE + PFSYNC causes system freezing

[Giulio Ferro]

On 18.03.2010 15:26, Max Laier wrote:

Ok, it's happened again...
and once the system freezes try to enter the debugger and get ps and
>>>>> locks information.
>>>>>
>>>>> show allchains
>>>>>            

No result


>>>>> show alllocks
>>>>>            

Process 4483 (sshd) thread 0xffffff0002ded3a0 (100159)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xffffff0002c79b98) locked @ 
/usr/src/sys/kern/uipc_sockbuf.c:148
Process 12 (intr) thread 0xffffff000242b3a0 (100028)
exclusive sleep mutex if_bridge (if_bridge) r = 0 (0xffffff000282d018) 
locked @ /usr/src/sys/modules/if_bridge/../../net/if_bridge.c:2162
Process 12 (intr) thread 0xffffff00023d3ae0 (100021)
exclusive slepp mutex Giant (Giant) r = 1 (0xffffffff80c6f660) locked @ 
/usr/src/sys/dev/usb/usb_transfer.c:3009
Process 12 (intr) thread 0xffffff00022603a0 (1000007)
exclusive sleep mutex carp_if (carp_if) r = 0 (0xffffff0002730360) 
locked @ /usr/src/sys/netinet/ip_carp.c:881


>>>>> ps
>>>>>
>>>>>            

This yields a lot of lines, tell me if you want me to report something 
special

> a "bt" would help in this case to see where the bad alloc is.
>
>    

Tracing pid 12 tid 100021 td 0xffffff00023d3ae0
kdb_enter() at kdb_enter+0x3d
...

Thank for your interest.