With almost latest -HEAD (from about Dec 13 01:30:43 CET) I get the mentioned panic. Panic message: panic: tcp_setpersist: retransmit pending mp_lock = 00000001; cpuid = 1 Trace beginning at frame 0xdca71cfc panic(dca71d20,dd6e96a0,2,dd6e96a0,dca71d24) at panic+0x14d panic(c0544cf8,dd6e96a0,dca71d34,c033d52e,dd6e96a0) at panic+0x14d tcp_setpersist(dd6e96a0,1,dca71d50,c033d854,dd6e96a0) at tcp_setpersist+0x23 tcp_timer_persist_handler(dd6e96a0,dd6e987c,1,dd6e987c,0) at tcp_timer_persist_handler+0x98 tcp_timer_handler(dd6e987c) at tcp_timer_handler+0xa4 netmsg_service(dd6e987c,0,1,ff8083b0,ff808000) at netmsg_service+0x79 tcpmsg_service_loop(0,0,0,0,0) at tcpmsg_service_loop+0x1d lwkt_exit() at lwkt_exit
I'm in the process of uploading the cores, but the connection seems a bit slow today so it will take quite a while. I can't reproduce this panic, since it happened while I was sleeping (I know rtorrent was running and I was updating applications from pkgsrc, but that should have been it). Also the backtrace: (kgdb) bt #0 dumpsys () at ./machine/thread.h:83 #1 0xc02852fd in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:375 #2 0xc02855c0 in panic (fmt=0xc0544cf8 "tcp_setpersist: retransmit pending") at /usr/src/sys/kern/kern_shutdown.c:800 #3 0xc033787b in tcp_setpersist (tp=0xdd6e96a0) at /usr/src/sys/netinet/tcp_output.c:1039 #4 0xc033d52e in tcp_timer_persist_handler (tp=0xdd6e96a0) at /usr/src/sys/netinet/tcp_timer.c:427 #5 0xc033d854 in tcp_timer_handler (nmsg=0xdd6e987c) at /usr/src/sys/netinet/tcp_timer.c:667 #6 0xc0317043 in netmsg_service (msg=0xdd6e987c, mpsafe_mode=0, mplocked=1) at /usr/src/sys/net/netisr.c:307 #7 0xc033a2cb in tcpmsg_service_loop (dummy=0x0) at /usr/src/sys/netinet/tcp_subr.c:400 #8 0xc028c712 in lwkt_deschedule_self (td=Cannot access memory at address 0x8 ) at /usr/src/sys/kern/lwkt_thread.c:228 P.S.: sorry about duplicate mails, post it to the wrong newsgroup by mistake -- Regards, Rumko
