DragonFly bugs List (threaded) for 2008-09
DragonFly BSD
DragonFly bugs List (threaded) for 2008-09
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panic: sf_buf_free: freeing free sf_buf

From: Peter Avalos <pavalos@xxxxxxxxxxxx>
Date: Mon, 29 Sep 2008 11:08:35 -0400

Got this running -HEAD:

panic: sf_buf_free: freeing free sf_buf
mp_lock = 00000001; cpuid = 1
Trace beginning at frame 0xd73ccc6c
panic(d73ccc90,0,c039b5c0,0,d73ccc98) at panic+0x14d
panic(c03692d0,0,f7c469c0,d73cccac,c01e9abc) at panic+0x14d
sf_buf_free(c039b5c0,c03f59e8,f33f1700,d73cccc4,c01e2090) at
sf_buf_mfree(f7c469c0,f33f1700,c03f59e8,da55b9c0,d73cccd8) at
m_free(f33f1700,17,ed4a79d4,d73ccd14,c0180c57) at m_free+0x1e8
m_freem(f6e0f000,fa83a4,da678000,15,18) at m_freem+0x2a
em_txeof(c03f59e8,da55b9c0,d38800d0,d73ccd54,c01abad8) at em_txeof+0x14e
em_poll(da55b9c0,0,5,0,5) at em_poll+0xe3
netisr_poll(d388035c) at netisr_poll+0x1e4
netmsg_service(d388035c,1,0,ff8083a4,ff808000) at netmsg_service+0x32
netmsg_service_loop(c03f67a8,0,0,0,0) at netmsg_service_loop+0x18
lwkt_exit() at lwkt_exit
boot() called on cpu#1
Uptime: 1d2h5m12s

dumping to dev #da/0x20001, blockno 378927

(kgdb) bt
#0  dumpsys () at ./machine/thread.h:83
#1  0xc01b3799 in boot (howto=260) at
#2  0xc01b3a5c in panic (fmt=0xc03692d0 "sf_buf_free: freeing free
sf_buf") at /usr/src/sys/kern/kern_shutdown.c:800
#3  0xc01b7506 in sf_buf_free (sf=0xc039b5c0) at
#4  0xc01e9abc in sf_buf_mfree (arg=0xf7c469c0) at
#5  0xc01e2090 in m_free (m=0xf33f1700) at
#6  0xc01e23bc in m_freem (m=0xf33f1700) at
#7  0xc0180c57 in em_txeof (adapter=0xda55b9c0) at
#8  0xc018206c in em_poll (ifp=0xda55b9c0, cmd=POLL_ONLY, count=5) at
#9  0xc01abad8 in netisr_poll (msg=0xd388035c) at
#10 0xc0232918 in netmsg_service (msg=0xd388035c, mpsafe_mode=1,
mplocked=0) at /usr/src/sys/net/netisr.c:279
#11 0xc0232d04 in netmsg_service_loop (arg=0xc03f67a8) at
#12 0xc01bab6a in lwkt_deschedule_self (td=Cannot access memory at
address 0x8
) at /usr/src/sys/kern/lwkt_thread.c:228
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

These sysctl's were set:

Core is being uploaded to leaf right now, but it's going to take an hour
or so.  Once it's there...leaf:~pavalos/crash/*.19


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