Happened with Linux version 2.6.37-rc5-00333-gdaefc3d after perhaps three weeks of uptime. That kernel isn't in git, it has an extra patch (to force-enable AHCI on the mac mini), so it's really v2.6.37-rc5-332-g0fcdcfbbc98f in baseline. --- Jan 4 17:02:50 kids console-kit-daemon[2884]: WARNING: Couldn't read /proc/13585/environ: Failed to open file '/proc/13585/environ': No such file or directory Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.network-control: (6) Remote Exception invoking org.freedesktop.PolicyKit1.Authority.CheckAuthorization() on /org/freede... ...NameHasNoOwner: Could not get UID of name ':1.3871': no such name Jan 4 17:02:50 kids NetworkManager[2438]: User connections unavailable: (6) Remote Exception invoking org.freedesktop.PolicyKit1.Authority.CheckAuthorization() ... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.enable-disable-network: (6) Remote Exception invoking org.fre... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.sleep-wake: (6) Remote Exception invoking org.freedesktop.Pol... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.enable-disable-wifi: (6) Remote Exception invoking org.freede... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.enable-disable-wwan: (6) Remote Exception invoking org.freede... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.use-user-connections: (6) Remote Exception invoking org.freed... Jan 4 17:02:50 kids NetworkManager[2438]: error requesting auth for org.freedesktop.NetworkManager.network-control: (6) Remote Exception invoking org.freedeskto... Jan 4 17:02:50 kids bonobo-activation-server (celeste-15075): could not associate with desktop session: Failed to connect to socket /tmp/dbus-8AXjzuuw2I: Connection re... ...NameHasNoOwner: Could not get UID of name ':1.3871': no such name Jan 4 17:02:50 kids kernel: [1755465.955480] BUG: unable to handle kernel NULL pointer dereference at 00000158 Jan 4 17:02:50 kids kernel: [1755465.956226] IP: [] selinux_socket_unix_stream_connect+0x18/0x84 Jan 4 17:02:50 kids kernel: [1755465.956226] *pde = 00000000 Jan 4 17:02:50 kids kernel: [1755465.956226] Oops: 0000 [#1] SMP Jan 4 17:02:50 kids kernel: [1755465.956226] last sysfs file: /sys/devices/virtual/sound/timer/uevent Jan 4 17:02:50 kids kernel: [1755465.956226] Modules linked in: [last unloaded: scsi_wait_scan] Jan 4 17:02:50 kids kernel: [1755465.956226] Jan 4 17:02:50 kids kernel: [1755465.956226] Pid: 15075, comm: bonobo-activati Not tainted 2.6.37-rc5-00333-gdaefc3d #13 Mac-F4208EC8/Macmini1,1 Jan 4 17:02:50 kids kernel: [1755465.956226] EIP: 0060:[] EFLAGS: 00210296 CPU: 1 Jan 4 17:02:50 kids kernel: [1755465.956226] EIP is at selinux_socket_unix_stream_connect+0x18/0x84 Jan 4 17:02:50 kids kernel: [1755465.956226] EAX: ee48b200 EBX: f1f983c0 ECX: ee48be00 EDX: 00000000 Jan 4 17:02:50 kids kernel: [1755465.956226] ESI: ee48b200 EDI: f59c5e1c EBP: f59c5e8c ESP: f59c5e14 Jan 4 17:02:50 kids kernel: [1755465.956226] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Jan 4 17:02:50 kids kernel: [1755465.956226] Process bonobo-activati (pid: 15075, ti=f59c4000 task=ee45eb50 task.ti=f59c4000) Jan 4 17:02:50 kids kernel: [1755465.956226] Stack: Jan 4 17:02:50 kids kernel: [1755465.956226] 00000000 00000000 00000000 00000000 00000000 00200046 00200046 00000059 Jan 4 17:02:50 kids kernel: [1755465.956226] 00000013 00000000 f59c5e44 c103070e f59c5e5c c1003cc5 f59c5e64 ee432a00 Jan 4 17:02:50 kids kernel: [1755465.956226] ee48b200 ee48be00 f59c5ed4 c1002ce9 ee432a00 f59c5ec0 e1b02900 ee48b200 Jan 4 17:02:50 kids kernel: [1755465.956226] Call Trace: Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? irq_exit+0x39/0x5d Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? do_IRQ+0x83/0x97 Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? common_interrupt+0x29/0x30 Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? security_unix_stream_connect+0x10/0x13 Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? unix_stream_connect+0x1e3/0x35e Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? sys_connect+0x60/0x7d Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? sys_socketcall+0x8f/0x1a5 Jan 4 17:02:50 kids kernel: [1755465.956226] [] ? sysenter_do_call+0x12/0x22 Jan 4 17:02:50 kids kernel: [1755465.956226] Code: 56 68 00 00 04 00 e8 ba f2 ff ff 8d 65 f4 5b 5e 5f c9 c3 55 89 e5 57 8d 7d 90 56 53 83 ec 6c 8b 40 14 8b 52 14 8b 98 58 01 00 00 <8b> 82 58 01 00 00 89 45 8c 31 c0 8b b1 58 01 00 00 89 7d 88 b9 Jan 4 17:02:50 kids kernel: [1755465.956226] EIP: [] selinux_socket_unix_stream_connect+0x18/0x84 SS:ESP 0068:f59c5e14 Jan 4 17:02:50 kids kernel: [1755465.956226] CR2: 0000000000000158 Jan 4 17:02:50 kids kernel: [1755466.037178] ---[ end trace 9fd0d9b8feb78e69 ]---