scary syslog message (from audit ?)

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Today I observed this in /var/log/messages with kernel 3.13.6 at a 32 bit Gentoo Linux : Mar 12 21:20:01 n22 crond[26813]: pam_unix(crond:session): session opened for user root by (uid=0) Mar 12 21:20:01 n22 kernel: type=1006 audit(1394655601.295:160): pid=26813 uid=0 old auid=4294967295 new auid=0 old ses=4294967295 new ses=159 res=1 Mar 12 21:20:01 n22 CROND[26816]: (root) CMD (test -x /usr/sbin/run-crons && /usr/sbin/run-crons ) Mar 12 21:20:01 n22 CROND[26813]: pam_unix(crond:session): session closed for user root Mar 12 21:29:01 n22 CROND[25166]: pam_unix(crond:session): session closed for user root Mar 12 21:30:01 n22 crond[30053]: pam_unix(crond:session): session opened for user root by (uid=0) Mar 12 21:30:01 n22 CROND[30055]: (root) CMD (test -x /usr/sbin/run-crons && /usr/sbin/run-crons ) Mar 12 21:30:01 n22 kernel: audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=64 Mar 12 21:30:01 n22 kernel: type=1006 audit(1394656201.313:161): pid=30053 uid=0 old auid=4294967295 new auid=0 old ses=4294967295 new ses=161 res=1 Mar 12 21:30:01 n22 kernel: audit: printk limit exceeded Mar 12 21:30:01 n22 kernel: new ses=149 res=1 1 1 @ 40000 KHz), (N/A, 2000 mBm) <6>cfg80211: (5250000 KHz - 5350000 KHz @ 40000 KHz), (N/A, 2000 mBm) <6>cfg80211: (5470000 KHz - 5725000 KHz @ 40000 KHz), (N/A, 2698 mBm) <6>cfg80211: (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm) 00 mBm) <6>cfg80211: Calling CRDA for country: DE ulatory domain <6>PM: freeze of devices complete after 342.951 msecs <6>PM: late freeze of devices complete after 0.286 msecs <6>PM: noirq freeze of devices complete after 1.715 msecs <6>ACPI: Preparing to enter system sleep state S4 <6>PM: Saving platform NVS memory <4>Disabling non-boot CPUs ... <6>kvm: disabling virtualization on CPU1 <6>smpboot: CPU 1 is now offline <6>kvm: disabling virtualization on CPU2 <6>smpboot: CPU 2 is now offline <6>kvm: disabling virtualization on CPU3 <6>smpboot: CPU 3 is now offline <6>PM: Creating hibernation image: <6>PM: Need to copy 152202 pages <6>PM: Restoring platform NVS memory <6>Enabling non-boot CPUs ... <6>x86: Booting SMP configuration: <6>smpboot: Booting Node 0 Processor 1 APIC 0x1 <6>Initializing CPU#1 <6>Disabled fast string operations <6>kvm: enabling virtualization on CPU1 <6>CPU1 is up <6>smpboot: Booting Node 0 Processor 2 APIC 0x2 <6>Initializing CPU#2 <6>Disabled fast string operations <6>kvm: enabling virtualization on CPU2 <6>CPU2 is up <6>smpboot: Booting Node 0 Processor 3 APIC 0x3 <6>Initializing CPU#3 <6>Disabled fast string operations <6>kvm: enabling virtualization on CPU3 <6>CPU3 is up <6>ACPI: Waking up from system sleep state S4 <6>thinkpad_acpi: EC reports that Thermal Table has changed <6>PM: noirq restore of devices complete after 23.354 msecs <6>PM: early restore of devices complete after 0.211 msecs <4>usb usb1: root hub lost power or was reset <7>e1000e 0000:00:19.0: irq 41 for MSI/MSI-X <4>usb usb2: root hub lost power or was reset <7>snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X <7>ehci-pci 0000:00:1a.0: cache line size of 64 is not supported <7>ehci-pci 0000:00:1d.0: cache line size of 64 is not supported <6>[drm] Wrong MCH_SSKPD value: 0x16040307 <6>[drm] This can cause pipe underruns and display issues. <6>[drm] Please upgrade your BIOS to fix this. <6>ata5: SATA link down (SStatus 0 SControl 300) <6>ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) <6>ata4: SATA link down (SStatus 0 SControl 300) <6>ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) <7>ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded <6>ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out <6>ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out <7>ata2.00: ACPI cmd e3/00:1f:00:00:00:a0 (IDLE) succeeded <6>usb 1-1: reset high-speed USB device number 2 using ehci-pci <7>ata2.00: ACPI cmd e3/00:02:00:00:00:a0 (IDLE) succeeded <6>ata2.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out <7>ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded <6>ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out <6>ata1.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out <6>ata1.00: configured for UDMA/100 <7>ata2.00: ACPI cmd e3/00:1f:00:00:00:a0 (IDLE) succeeded <7>ata2.00: ACPI cmd e3/00:02:00:00:00:a0 (IDLE) succeeded <6>ata2.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out <6>ata2.00: configured for UDMA/33 <5>sd 0:0:0:0: [sda] Starting disk <6>usb 2-1: reset high-speed USB device number 2 using ehci-pci <6>usb 1-1.1: reset high-speed USB device number 3 using ehci-pci <6>usb 1-1.6: reset high-speed USB device number 5 using ehci-pci <6>usb 1-1.4: reset full-speed USB device number 4 using ehci-pci <6>usb 2-1.2: reset high-speed USB device number 3 using ehci-pci <6>usb 2-1.5: reset full-speed USB device number 4 using ehci-pci <6>usb 2-1.2.1: reset low-speed USB device number 5 using ehci-pci <6>[drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp on <6>usb 2-1.2.3: reset low-speed USB device number 7 using ehci-pci <6>iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S <6>iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0 <6>usb 2-1.2.2: reset full-speed USB device number 6 using ehci-pci <6>usblp0: removed <6>PM: restore of devices complete after 2649.424 msecs <6>usblp 2-1.2.2:1.0: usblp0: USB Bidirectional printer dev 6 if 0 alt 0 proto 2 vid 0x043D pid 0x0078 <4>Restarting tasks ... done. <6>video LNXVIDEO:00: Restoring backlight state <6>wlp3s0: authenticate with 08:96:d7:05:f9:2a <6>wlp3s0: send auth to 08:96:d7:05:f9:2a (try 1/3) <6>wlp3s0: authenticated <6>wlp3s0: associate with 08:96:d7:05:f9:2a (try 1/3) <6>wlp3s0: RX AssocResp from 08:96:d7:05:f9:2a (capab=0x431 status=0 aid=1) <6>wlp3s0: associated : Mar 12 21:30:01 n22 crond[30054]: pam_unix(crond:session): session opened for user root by (uid=0) Mar 12 21:30:01 n22 CROND[30060]: (root) CMD (/usr/lib/sa/sa1 60 15 ) Mar 12 21:30:01 n22 CROND[30053]: pam_unix(crond:session): session closed for user root Mar 12 21:37:04 n22 su[32414]: Successful su for root by root Mar 12 21:37:04 n22 su[32414]: + /dev/pts/9 root:root Mar 12 21:37:04 n22 su[32414]: pam_unix(su:session): session opened for user root by tfoerste(uid=0) - -- MfG/Sincerely Toralf Förster pgp finger print:1A37 6F99 4A9D 026F 13E2 4DCF C4EA CDDE 0076 E94E