Greetings, One of our servers recently stopped responding suddenly during the night. Checking the system logs, I saw that the last messages were these: Aug 4 03:12:59 mailserver -- MARK -- Aug 4 03:25:32 mailserver kernel: c0196a6e Aug 4 03:25:32 mailserver kernel: Modules linked in: tsdev ipv6 reiserfs dm_snapshot dm_mirror dm_mod ide_generic evdev snd_hda_intel snd_hda_codec i2c_ali1535 i2c_ali15x3 snd_pcm psmouse rtc ati_agp agpgart i2c_core uli526x pcspkr serio_raw floppy snd_timer snd soundcore snd_page_alloc shpchp pci_hotplug parport_pc parport ext3 jbd mbcache ide_cd cdrom ide_disk generic sata_uli libata scsi_mod alim15x3 ide_core skge 3c59x mii ehci_hcd ohci_hcd usbcore thermal processor fan Aug 4 03:25:32 mailserver kernel: EIP: 0060:[keyring_destroy+39/119] Not tainted VLI Aug 4 03:25:32 mailserver kernel: EFLAGS: 00010213 (2.6.18-3-686 #1) Aug 4 03:25:32 mailserver kernel: [key_cleanup+177/202] key_cleanup +0xb1/0xca Aug 4 03:25:32 mailserver kernel: [run_workqueue+120/181] run_workqueue+0x78/0xb5 Aug 4 03:25:32 mailserver kernel: [key_cleanup+0/202] key_cleanup +0x0/0xca Aug 4 03:25:32 mailserver kernel: [worker_thread+217/267] worker_thread+0xd9/0x10b Aug 4 03:25:32 mailserver kernel: [default_wake_function+0/12] default_wake_function+0x0/0xc Aug 4 03:25:32 mailserver kernel: [worker_thread+0/267] worker_thread +0x0/0x10b Aug 4 03:25:32 mailserver kernel: [kthread+194/239] kthread+0xc2/0xef Aug 4 03:25:32 mailserver kernel: [kthread+0/239] kthread+0x0/0xef Aug 4 03:25:32 mailserver kernel: [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb Can anyone provide an insight as to what might have caused the lockup? -- Best regards, Diego Alencar Alves de Lima Linux Solutions Support ConsulData - Comunicação de Dados Site: www.consuldata.com.br E-mail: diego@xxxxxxxxxxxxxxxxx Tel.: +55 (13) 2101-6522 Fax.: +55 (13) 2101-6500 - To unsubscribe from this list: send the line "unsubscribe linux-admin" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html