Re: auto_nlist failed on cp_time at location 1
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In the last episode (Apr 23), Tim Stoddard said:
I just upgraded from FreeBSD 6.2 -
6.3 (using source tree). I then recompiled my net-snmp port binaries (using
portupgrade). I am now get error message in my logs every five secs.
I am sure my libkvm is in sync with my kernel. I do not know what else
to look at.
You got bit by
revision 1.178.2.5
date: 2008/04/09 19:47:20; author: peter; state: Exp; lines: +68 -5
MFC: record per-cpu stats for %user/%nice/%system/%idle
, which removed the kernel variable that net-snmp uses to track CPU
usage. Try this patch (put it in /usr/ports/net-mgmt/net-snmp/files and
rebuild net-snmp). I've sent it to the net-snmp port maintainer so
hopefully it will be committed soon.
--
Dan Nelson
[EMAIL PROTECTED]
the same goes for rpc.rstatd :-), see
http://www.freebsd.org/cgi/query-pr.cgi?pr=123014
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Content-Disposition: attachment; filename=patch-cpu_nlist.c
--- agent/mibgroup/hardware/cpu/cpu_nlist.c 2007-01-19 10:53:44.0
-0600
+++ agent/mibgroup/hardware/cpu/cpu_nlist.c 2008-04-22 00:13:48.330686919
-0500
@@ -1,5 +1,5 @@
/*
- * nlist() interface
+ * sysctl() interface
* e.g. FreeBSD
*/
#include net-snmp/net-snmp-config.h
@@ -12,24 +12,9 @@
#include sys/types.h
#include sys/resource.h
-#ifdef HAVE_SYS_DKSTAT_H
-#include sys/dkstat.h
-#endif
#ifdef HAVE_SYS_SYSCTL_H
#include sys/sysctl.h
#endif
-#ifdef HAVE_SYS_VMMETER_H
-#include sys/vmmeter.h
-#endif
-#ifdef HAVE_VM_VM_PARAM_H
-#include vm/vm_param.h
-#endif
-#ifdef HAVE_VM_VM_EXTERN_H
-#include vm/vm_extern.h
-#endif
-
-#define CPU_SYMBOL cp_time
-#define MEM_SYMBOL cnt
void _cpu_copy_stats( netsnmp_cpu_info *cpu );
@@ -67,11 +52,12 @@
*/
int netsnmp_cpu_arch_load( netsnmp_cache *cache, void *magic ) {
long cpu_stats[CPUSTATES];
-struct vmmeter mem_stats;
+int size, tempval;
+
netsnmp_cpu_info *cpu = netsnmp_cpu_get_byIdx( -1, 0 );
-auto_nlist( CPU_SYMBOL, (char *) cpu_stats, sizeof(cpu_stats));
-auto_nlist( MEM_SYMBOL, (char *)mem_stats, sizeof(mem_stats));
+size = sizeof(cpu_stats);
+sysctlbyname(kern.cp_time, cpu_stats, size, NULL, 0);
cpu-user_ticks = (unsigned long)cpu_stats[CP_USER];
cpu-nice_ticks = (unsigned long)cpu_stats[CP_NICE];
@@ -85,15 +71,19 @@
* Interrupt/Context Switch statistics
* XXX - Do these really belong here ?
*/
-#if defined(openbsd2) || defined(darwin)
-cpu-swapIn = (unsigned long)mem_stats.v_swpin;
-cpu-swapOut = (unsigned long)mem_stats.v_swpout;
-#else
-cpu-swapIn = (unsigned
long)mem_stats.v_swappgsin+mem_stats.v_vnodepgsin;
-cpu-swapOut = (unsigned
long)mem_stats.v_swappgsout+mem_stats.v_vnodepgsout;
-#endif
-cpu-nInterrupts = (unsigned long)mem_stats.v_intr;
-cpu-nCtxSwitches = (unsigned long)mem_stats.v_swtch;
+size = sizeof(int);
+#define GET_VM_STATS(cat, name, netsnmpname) \
+do { \
+sysctlbyname(vm.stats. #cat . #name, tempval, size, NULL, 0); \
+cpu-netsnmpname = (unsigned long) tempval; \
+} while(0)
+
+GET_VM_STATS(vm, v_swappgsin, swapIn);
+GET_VM_STATS(vm, v_swappgsout, swapOut);
+GET_VM_STATS(vm, v_vnodepgsin, pageIn);
+GET_VM_STATS(vm, v_vnodepgsout, pageOut);
+GET_VM_STATS(sys, v_intr,nInterrupts);
+GET_VM_STATS(sys, v_swtch, nCtxSwitches);
#ifdef PER_CPU_INFO
for ( i = 0; i n; i++ ) {
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RE: auto_nlist failed on cp_time at location 1
I cannot get your patch to apply. Am I doing something wrong? -- Tim #cp patch-cpu_nlist.c /usr/ports/net-mgmt/net-snmp/files/ #cd /usr/ports/net-mgmt/net-snmp #make clean === Cleaning for net-snmp-5.4.1_2 #make You may use the following build options: WITH_TKMIB=yesInstall a graphical Perl/Tk/SNMP based mib browser WITHOUT_DUMMY_VALUES=yesProvide 'placeholder' dummy values where the necessary information is not available. WITHOUT_PERL=yesDo not install the perl modules along with the rest of the net-snmp toolkit. WITHOUT_IPV6=yesDisable IPv6. DEFAULT_SNMP_VERSION=3Default version of SNMP to use. NET_SNMP_SYS_CONTACT=[EMAIL PROTECTED] Default system contact. NET_SNMP_SYS_LOCATION=somewhere Default system location. NET_SNMP_LOGFILE=/var/log/snmpd.log Default log file location for snmpd. NET_SNMP_PERSISTENTDIR=/var/net-snmp Default directory for persistent data storage. NET_SNMP_MIB_MODULES=host disman/event-mib smux mibII/mta_sendmail mibII/tcpTable ucd-snmp/diskio Optional mib modules that can be built into the agent === Vulnerability check disabled, database not found === Extracting for net-snmp-5.4.1_2 = MD5 Checksum OK for net-snmp-5.4.1.tar.gz. = SHA256 Checksum OK for net-snmp-5.4.1.tar.gz. === net-snmp-5.4.1_2 depends on file: /usr/local/bin/perl5.8.8 - found === Patching for net-snmp-5.4.1_2 === net-snmp-5.4.1_2 depends on file: /usr/local/bin/perl5.8.8 - found === Applying extra patch /usr/ports/net-mgmt/net-snmp/files/extra-patch-local:Makefile.in === Applying FreeBSD patches for net-snmp-5.4.1_2 4 out of 4 hunks failed--saving rejects to agent/mibgroup/hardware/cpu/cpu_nlist.c.rej = Patch patch-cpu_nlist.c failed to apply cleanly. = Patch(es) patch-Makefile.in patch-callback.c applied cleanly. *** Error code 1 Stop in /usr/ports/net-mgmt/net-snmp. Date: Wed, 23 Apr 2008 20:34:21 -0500 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: freebsd-stable@freebsd.org Subject: Re: auto_nlist failed on cp_time at location 1 In the last episode (Apr 23), Tim Stoddard said: I just upgraded from FreeBSD 6.2 - 6.3 (using source tree). I then recompiled my net-snmp port binaries (using portupgrade). I am now get error message in my logs every five secs. I am sure my libkvm is in sync with my kernel. I do not know what else to look at. You got bit by revision 1.178.2.5 date: 2008/04/09 19:47:20; author: peter; state: Exp; lines: +68 -5 MFC: record per-cpu stats for %user/%nice/%system/%idle , which removed the kernel variable that net-snmp uses to track CPU usage. Try this patch (put it in /usr/ports/net-mgmt/net-snmp/files and rebuild net-snmp). I've sent it to the net-snmp port maintainer so hopefully it will be committed soon. -- Dan Nelson [EMAIL PROTECTED] _ Make i'm yours. Create a custom banner to support your cause. http://im.live.com/Messenger/IM/Contribute/Default.aspx?source=TXT_TAGHM_MSN_Make_IM_Yours___ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to [EMAIL PROTECTED]
RE: auto_nlist failed on cp_time at location 1
I applied your patch by hand and recompiled/reinstalled net-snmp, however I am still seeing the same error just on a different memory address now. Apr 24 10:16:41 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:41 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 Apr 24 10:16:46 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:46 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 Apr 24 10:16:51 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:51 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 -- Tim Stoddard From: [EMAIL PROTECTED] To: [EMAIL PROTECTED]; freebsd-stable@freebsd.org Date: Thu, 24 Apr 2008 07:23:21 -0500 CC: Subject: RE: auto_nlist failed on cp_time at location 1 I cannot get your patch to apply. Am I doing something wrong? -- Tim #cp patch-cpu_nlist.c /usr/ports/net-mgmt/net-snmp/files/ #cd /usr/ports/net-mgmt/net-snmp #make clean === Cleaning for net-snmp-5.4.1_2 #make You may use the following build options: WITH_TKMIB=yesInstall a graphical Perl/Tk/SNMP based mib browser WITHOUT_DUMMY_VALUES=yesProvide 'placeholder' dummy values where the necessary information is not available. WITHOUT_PERL=yesDo not install the perl modules along with the rest of the net-snmp toolkit. WITHOUT_IPV6=yesDisable IPv6. DEFAULT_SNMP_VERSION=3Default version of SNMP to use. NET_SNMP_SYS_CONTACT=[EMAIL PROTECTED] Default system contact. NET_SNMP_SYS_LOCATION=somewhere Default system location. NET_SNMP_LOGFILE=/var/log/snmpd.log Default log file location for snmpd. NET_SNMP_PERSISTENTDIR=/var/net-snmp Default directory for persistent data storage. NET_SNMP_MIB_MODULES=host disman/event-mib smux mibII/mta_sendmail mibII/tcpTable ucd-snmp/diskio Optional mib modules that can be built into the agent === Vulnerability check disabled, database not found === Extracting for net-snmp-5.4.1_2 = MD5 Checksum OK for net-snmp-5.4.1.tar.gz. = SHA256 Checksum OK for net-snmp-5.4.1.tar.gz. === net-snmp-5.4.1_2 depends on file: /usr/local/bin/perl5.8.8 - found === Patching for net-snmp-5.4.1_2 === net-snmp-5.4.1_2 depends on file: /usr/local/bin/perl5.8.8 - found === Applying extra patch /usr/ports/net-mgmt/net-snmp/files/extra-patch-local:Makefile.in === Applying FreeBSD patches for net-snmp-5.4.1_2 4 out of 4 hunks failed--saving rejects to agent/mibgroup/hardware/cpu/cpu_nlist.c.rej = Patch patch-cpu_nlist.c failed to apply cleanly. = Patch(es) patch-Makefile.in patch-callback.c applied cleanly. *** Error code 1 Stop in /usr/ports/net-mgmt/net-snmp. Date: Wed, 23 Apr 2008 20:34:21 -0500 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: freebsd-stable@freebsd.org Subject: Re: auto_nlist failed on cp_time at location 1 In the last episode (Apr 23), Tim Stoddard said: I just upgraded from FreeBSD 6.2 - 6.3 (using source tree). I then recompiled my net-snmp port binaries (using portupgrade). I am now get error message in my logs every five secs. I am sure my libkvm is in sync with my kernel. I do not know what else to look at. You got bit by revision 1.178.2.5 date: 2008/04/09 19:47:20; author: peter; state: Exp; lines: +68 -5 MFC: record per-cpu stats for %user/%nice/%system/%idle , which removed the kernel variable that net-snmp uses to track CPU usage. Try this patch (put it in /usr/ports/net-mgmt/net-snmp/files and rebuild net-snmp). I've sent it to the net-snmp port maintainer so hopefully it will be committed soon. -- Dan Nelson [EMAIL PROTECTED] _ Make i'm yours. Create a custom banner to support your cause. http://im.live.com/Messenger/IM/Contribute/Default.aspx?source=TXT_TAGHM_MSN_Make_IM_Yours___ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to [EMAIL PROTECTED] _ Make i'm yours. Create a custom banner to support your cause. http://im.live.com/Messenger/IM/Contribute/Default.aspx?source=TXT_TAGHM_MSN_Make_IM_Yours___ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: auto_nlist failed on cp_time at location 1
In the last episode (Apr 24), Tim Stoddard said:
I applied your patch by hand and recompiled/reinstalled net-snmp,
however I am still seeing the same error just on a different memory
address now.
Apr 24 10:16:41 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1:
kvm_read: Bad address
Apr 24 10:16:41 shaggy snmpd[73273]: auto_nlist failed on cp_time at location
1
Apr 24 10:16:46 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1:
kvm_read: Bad address
Apr 24 10:16:46 shaggy snmpd[73273]: auto_nlist failed on cp_time at location
1
Apr 24 10:16:51 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1:
kvm_read: Bad address
Apr 24 10:16:51 shaggy snmpd[73273]: auto_nlist failed on cp_time at location
1
Hm. It looks like net-snmp has two different pieces of code that both
do the same thing (read CPU and vmstat info). I wonder which OIDs
trigger them on your system? On my system, walking
enterprises.ucdavis.systemStats uses the cpu_nlist.c code. Here's a
patch for the other file (vmstat_freebsd2.c); it's not even compiled on
my 7-stable system, so I can't verify that it's correct. I'm not sure
why my first patch didn't apply; I attached it straight out of my
net-snmp/files/ directory.
--
Dan Nelson
[EMAIL PROTECTED]
--- agent/mibgroup/ucd-snmp/vmstat_freebsd2.c 2008-04-24 10:25:59.834152091
-0500
+++ agent/mibgroup/ucd-snmp/vmstat_freebsd2.c 2008-04-24 10:25:59.834152091
-0500
@@ -189,13 +189,15 @@
* Update structures (only if time has passed)
*/
if (time_new != time_old) {
+int size;
time_diff = time_new - time_old;
time_old = time_new;
/*
* CPU usage
*/
-auto_nlist(CPTIME_SYMBOL, (char *) cpu_new, sizeof(cpu_new));
+size = sizeof(cpu_new);
+sysctlbyname(kern.cp_time, cpu_new, size, NULL, 0);
cpu_total = 0;
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RE: auto_nlist failed on cp_time at location 1
Dan, I reapplied the first patch you send (this time properly) and it fix the issue. I hope the port maintainer can get your patch committed so other do not have to go though the same process. Thanks for the help. -- Tim Stoddard Date: Thu, 24 Apr 2008 10:57:07 -0500 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: freebsd-stable@freebsd.org Subject: Re: auto_nlist failed on cp_time at location 1 In the last episode (Apr 24), Tim Stoddard said: I applied your patch by hand and recompiled/reinstalled net-snmp, however I am still seeing the same error just on a different memory address now. Apr 24 10:16:41 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:41 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 Apr 24 10:16:46 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:46 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 Apr 24 10:16:51 shaggy snmpd[73273]: kvm_read(*, 1, 0xbf7fe830, 20) = -1: kvm_read: Bad address Apr 24 10:16:51 shaggy snmpd[73273]: auto_nlist failed on cp_time at location 1 Hm. It looks like net-snmp has two different pieces of code that both do the same thing (read CPU and vmstat info). I wonder which OIDs trigger them on your system? On my system, walking enterprises.ucdavis.systemStats uses the cpu_nlist.c code. Here's a patch for the other file (vmstat_freebsd2.c); it's not even compiled on my 7-stable system, so I can't verify that it's correct. I'm not sure why my first patch didn't apply; I attached it straight out of my net-snmp/files/ directory. -- Dan Nelson [EMAIL PROTECTED] _ Express yourself wherever you are. Mobilize! http://www.gowindowslive.com/Mobile/Landing/Messenger/Default.aspx?Locale=en-US?ocid=TAG_APRIL___ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to [EMAIL PROTECTED]
auto_nlist failed on cp_time at location 1
I just upgraded from FreeBSD 6.2 - 6.3 (using source tree). I then recompiled my net-snmp port binaries (using portupgrade). I am now get error message in my logs every five secs. I am sure my libkvm is in sync with my kernel. I do not know what else to look at. My upgrade process: make buildworld make buildkernel make installkernel make installworld mergemaster portupgrade -f net-snmp #pkg_info |grep snmp net-snmp-5.4.1_2An extendable SNMP implementation Apr 23 16:02:47 shaggy snmpd[662]: kvm_read(*, 1, 0xbfbfea50, 20) = -1: kvm_read: Bad address Apr 23 16:02:47 shaggy snmpd[662]: auto_nlist failed on cp_time at location 1 Apr 23 16:02:52 shaggy snmpd[662]: kvm_read(*, 1, 0xbfbfea50, 20) = -1: kvm_read: Bad address Apr 23 16:02:52 shaggy snmpd[662]: auto_nlist failed on cp_time at location 1 Apr 23 16:02:57 shaggy snmpd[662]: kvm_read(*, 1, 0xbfbfea50, 20) = -1: kvm_read: Bad address Apr 23 16:02:57 shaggy snmpd[662]: auto_nlist failed on cp_time at location 1 Apr 23 16:03:02 shaggy snmpd[662]: kvm_read(*, 1, 0xbfbfea50, 20) = -1: kvm_read: Bad address Apr 23 16:03:02 shaggy snmpd[662]: auto_nlist failed on cp_time at location 1 -- Tim Stoddard _ Spell a grand slam in this game where word skill meets World Series. Get in the game. http://club.live.com/word_slugger.aspx?icid=word_slugger_wlhm_admod_april08___ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: auto_nlist failed on cp_time at location 1
In the last episode (Apr 23), Tim Stoddard said:
I just upgraded from FreeBSD 6.2 -
6.3 (using source tree). I then recompiled my net-snmp port binaries (using
portupgrade). I am now get error message in my logs every five secs.
I am sure my libkvm is in sync with my kernel. I do not know what else
to look at.
You got bit by
revision 1.178.2.5
date: 2008/04/09 19:47:20; author: peter; state: Exp; lines: +68 -5
MFC: record per-cpu stats for %user/%nice/%system/%idle
, which removed the kernel variable that net-snmp uses to track CPU
usage. Try this patch (put it in /usr/ports/net-mgmt/net-snmp/files and
rebuild net-snmp). I've sent it to the net-snmp port maintainer so
hopefully it will be committed soon.
--
Dan Nelson
[EMAIL PROTECTED]
--- agent/mibgroup/hardware/cpu/cpu_nlist.c 2007-01-19 10:53:44.0
-0600
+++ agent/mibgroup/hardware/cpu/cpu_nlist.c 2008-04-22 00:13:48.330686919
-0500
@@ -1,5 +1,5 @@
/*
- * nlist() interface
+ * sysctl() interface
* e.g. FreeBSD
*/
#include net-snmp/net-snmp-config.h
@@ -12,24 +12,9 @@
#include sys/types.h
#include sys/resource.h
-#ifdef HAVE_SYS_DKSTAT_H
-#include sys/dkstat.h
-#endif
#ifdef HAVE_SYS_SYSCTL_H
#include sys/sysctl.h
#endif
-#ifdef HAVE_SYS_VMMETER_H
-#include sys/vmmeter.h
-#endif
-#ifdef HAVE_VM_VM_PARAM_H
-#include vm/vm_param.h
-#endif
-#ifdef HAVE_VM_VM_EXTERN_H
-#include vm/vm_extern.h
-#endif
-
-#define CPU_SYMBOL cp_time
-#define MEM_SYMBOL cnt
void _cpu_copy_stats( netsnmp_cpu_info *cpu );
@@ -67,11 +52,12 @@
*/
int netsnmp_cpu_arch_load( netsnmp_cache *cache, void *magic ) {
long cpu_stats[CPUSTATES];
-struct vmmeter mem_stats;
+int size, tempval;
+
netsnmp_cpu_info *cpu = netsnmp_cpu_get_byIdx( -1, 0 );
-auto_nlist( CPU_SYMBOL, (char *) cpu_stats, sizeof(cpu_stats));
-auto_nlist( MEM_SYMBOL, (char *)mem_stats, sizeof(mem_stats));
+size = sizeof(cpu_stats);
+sysctlbyname(kern.cp_time, cpu_stats, size, NULL, 0);
cpu-user_ticks = (unsigned long)cpu_stats[CP_USER];
cpu-nice_ticks = (unsigned long)cpu_stats[CP_NICE];
@@ -85,15 +71,19 @@
* Interrupt/Context Switch statistics
* XXX - Do these really belong here ?
*/
-#if defined(openbsd2) || defined(darwin)
-cpu-swapIn = (unsigned long)mem_stats.v_swpin;
-cpu-swapOut = (unsigned long)mem_stats.v_swpout;
-#else
-cpu-swapIn = (unsigned long)mem_stats.v_swappgsin+mem_stats.v_vnodepgsin;
-cpu-swapOut = (unsigned
long)mem_stats.v_swappgsout+mem_stats.v_vnodepgsout;
-#endif
-cpu-nInterrupts = (unsigned long)mem_stats.v_intr;
-cpu-nCtxSwitches = (unsigned long)mem_stats.v_swtch;
+size = sizeof(int);
+#define GET_VM_STATS(cat, name, netsnmpname) \
+do { \
+sysctlbyname(vm.stats. #cat . #name, tempval, size, NULL, 0); \
+cpu-netsnmpname = (unsigned long) tempval; \
+} while(0)
+
+GET_VM_STATS(vm, v_swappgsin, swapIn);
+GET_VM_STATS(vm, v_swappgsout, swapOut);
+GET_VM_STATS(vm, v_vnodepgsin, pageIn);
+GET_VM_STATS(vm, v_vnodepgsout, pageOut);
+GET_VM_STATS(sys, v_intr,nInterrupts);
+GET_VM_STATS(sys, v_swtch, nCtxSwitches);
#ifdef PER_CPU_INFO
for ( i = 0; i n; i++ ) {
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