Subject: -current panic (pool_get free list modified in tlp_rxintr)
To: None <port-alpha@netbsd.org>
From: Sean Doran <smd@ebone.net>
List: port-alpha
Date: 10/23/1999 16:17:07
This happened during a bulk transfer from my i386 laptop to my
AlphaStation 200, with -current userland and kernel as of yesterday's sup.
fatal kernel trap:
panic: pool_get(mbpl): free list modified: magic=0; page 0xfffffc00029ca000; item addr 0xfffffc00029caa10
Stopped in ssh1 at cpu_Debugger+0x4: ret zero,(ra)
db> t/t
cpu_Debugger() at cpu_Debugger+0x4
panic() at panic+0xec
_pool_get() at _pool_get+0x89c
tlp_rxintr() at tlp_rxintr+0x2bc
tlp_intr() at tlp_intr+0x8c
alpha_shared_intr_dispatch() at alpha_shared_intr_dispatch+0x3c
sio_iointr() at sio_iointr+0x80
interrupt() at interrupt+0x168
XentInt() at XentInt+0x1c
--- interrupt (from ipl 0) ---
esigcode() at esigcode+0x3c
XentInt() at XentInt+0x1c
--- interrupt ---
alpha_pal_swpipl() at alpha_pal_swpipl+0x4
spl0() at spl0+0x40
printf() at printf+0xd4
trap() at trap+0x574
XentUna() at XentUna+0x20
--- unaligned access fault ---
sbdrop() at sbdrop+0x98
tcp_input() at tcp_input+0x1ecc
ip_input() at ip_input+0x970
ipintr() at ipintr+0xb4
do_sir() at do_sir+0xe0
esigcode() at esigcode+0x2c
--- root of call graph ---
db> ps /w
PID COMMAND EMUL PRI UTIME STIME WAIT-MSG WAIT-CHANNEL
>933 ssh1 netbsd 73 7.5 2.3
932 scp1 netbsd 24 0.0 1.4 netio 0xfffffc00037808a0
914 rc netbsd 25 0.0 0.1 ttyin 0xfffffc0001288570
913 xterm netbsd 24 0.3 0.3 select selwait
910 rc netbsd 32 0.0 0.0 wait 0xfffffc0004783d18
908 sshd1 netbsd 24 2.1 0.9 select selwait
888 rc netbsd 32 0.0 0.0 wait 0xfffffc00047821f8
380 rc netbsd 25 0.1 0.5 ttyin 0xfffffc0001288418
379 xterm netbsd 24 2.4 2.4 select selwait
376 rc netbsd 32 0.0 0.0 wait 0xfffffc0004783938
374 sshd1 netbsd 24 4.0 3.1 select selwait
285 rc netbsd 25 0.1 0.6 ttyin 0xfffffc00012882c0
284 xterm netbsd 24 8.4 12.2 select selwait
281 rc netbsd 32 0.0 0.0 wait 0xfffffc00047829b8
279 sshd1 netbsd 24 8.9 8.9 select selwait
242 rc netbsd 32 0.0 0.2 wait 0xfffffc0004782008
241 xterm netbsd 24 2.5 3.3 select selwait
238 rc netbsd 32 0.0 0.0 wait 0xfffffc00012bc5d0
236 sshd1 netbsd 24 3.9 3.1 select selwait
235 rc5des-netbsd-al netbsd 1052476.6 35.2
223 getty netbsd 25 0.0 0.0 ttyin 0xfffffc0001288010
209 sshd1 netbsd 24 2.4 0.0 select selwait
202 inetd netbsd 24 0.0 0.0 select selwait
199 xntpd netbsd 40 0.9 0.8 pause 0xfffffc00039788d8
197 cron netbsd 32 0.0 0.0 nanosleep nanowait.136
195 update netbsd 40 0.0 1.7 pause 0xfffffc00012c3a70
160 mount_mfs netbsd 32 0.0 0.0 mfsidl 0xfffffc0003389c68
153 portmap netbsd 24 0.0 0.0 select selwait
147 named netbsd 24 0.2 0.1 select selwait
143 syslogd netbsd 24 0.4 1.7
3 reaper netbsd 4 0.0 0.0 reaper deadproc
2 pagedaemon netbsd 4 0.0 0.0 daemon_slp uvm+0x50
1 init netbsd 32 0.0 0.0 wait 0xfffffc00012bc000
0 swapper netbsd 4 0.0 0.0 scheduler proc0