I am running 2.6.27-9 and I have the bug ! Linux sql3-server3 2.6.27-9-server #1 SMP Thu Nov 20 22:56:07 UTC 2008 x86_64 GNU/Linux [696070.321236] BUG: soft lockup - CPU#2 stuck for 61s! [mysqld:14816] [696070.321252] Modules linked in: 8021q garp stp ipv6 iptable_filter ip_tables x_tables ext3 jbd mbcache parport_pc lp parport loop joydev dcdbas psmouse evdev pcspkr serio_raw usbhid hid iTCO_wdt iTCO_vendor_support button shpchp pci_hotplug i5000_edac edac_core xfs sr_mod cdrom pata_acpi ata_piix ses enclosure sd_mod crc_t10dif sg ata_generic libata dock ehci_hcd uhci_hcd usbcore bnx2 megaraid_sas scsi_mod dm_mirror dm_log dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [696070.321252] CPU 2: [696070.321252] Modules linked in: 8021q garp stp ipv6 iptable_filter ip_tables x_tables ext3 jbd mbcache parport_pc lp parport loop joydev dcdbas psmouse evdev pcspkr serio_raw usbhid hid iTCO_wdt iTCO_vendor_support button shpchp pci_hotplug i5000_edac edac_core xfs sr_mod cdrom pata_acpi ata_piix ses enclosure sd_mod crc_t10dif sg ata_generic libata dock ehci_hcd uhci_hcd usbcore bnx2 megaraid_sas scsi_mod dm_mirror dm_log dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [696070.321252] Pid: 14816, comm: mysqld Not tainted 2.6.27-9-server #1 [696070.321252] RIP: 0010:[] [] find_get_pages+0x6c/0x110 [696070.321252] RSP: 0018:ffff8801a315ba78 EFLAGS: 00000246 [696070.321252] RAX: ffff8801a42bb920 RBX: ffff8801a315bab8 RCX: 0000000000000003 [696070.321252] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffe200064eb200 [696070.321252] RBP: ffffffff807a5418 R08: ffffe200064ea248 R09: 0000000000000009 [696070.321252] R10: 000000000000000b R11: 000000000000590c R12: ffffffff8024535c [696070.321252] R13: ffff8801a315bb28 R14: ffffffff803a23ba R15: ffff8801a315b9d8 [696070.321252] FS: 00000000451e1950(0063) GS:ffff88022fc02d00(0000) knlGS:0000000000000000 [696070.321252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [696070.321252] CR2: 00007f340b2d2000 CR3: 0000000227dfe000 CR4: 00000000000006e0 [696070.321252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [696070.321252] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [696070.321252] [696070.321252] Call Trace: [696070.321252] [] ? find_get_pages+0x43/0x110 [696070.321252] [] ? pagevec_lookup+0x24/0x30 [696070.321252] [] ? xfs_probe_cluster+0x11b/0x2c0 [xfs] [696070.321252] [] ? xfs_page_state_convert+0x565/0x760 [xfs] [696070.321252] [] ? radix_tree_gang_lookup_tag_slot+0xc0/0xe0 [696070.321252] [] ? up_write+0xe/0x10 [696070.321252] [] ? xfs_vm_writepage+0x71/0x120 [xfs] [696070.321252] [] ? __dec_zone_page_state+0x2a/0x30 [696070.321252] [] ? __writepage+0x17/0x50 [696070.321252] [] ? write_cache_pages+0x255/0x3f0 [696070.321252] [] ? __writepage+0x0/0x50 [696070.321252] [] ? xfs_file_aio_write+0x58/0x60 [xfs] [696070.321252] [] ? do_sync_write+0xf9/0x140 [696070.321252] [] ? __wake_up+0x4e/0x70 [696070.321252] [] ? generic_writepages+0x24/0x30 [696070.321252] [] ? xfs_vm_writepages+0x5c/0x80 [xfs] [696070.321252] [] ? do_writepages+0x2d/0x50 [696070.321252] [] ? __filemap_fdatawrite_range+0x55/0x70 [696070.321252] [] ? filemap_fdatawrite+0x1f/0x30 [696070.321252] [] ? do_fsync+0x4d/0xf0 [696070.321252] [] ? __do_fsync+0x36/0x50 [696070.321252] [] ? sys_fsync+0x10/0x20 [696070.321252] [] ? system_call_fastpath+0x16/0x1b [696070.321252] [696135.821231] BUG: soft lockup - CPU#2 stuck for 61s! [mysqld:14816] [696135.821252] Modules linked in: 8021q garp stp ipv6 iptable_filter ip_tables x_tables ext3 jbd mbcache parport_pc lp parport loop joydev dcdbas psmouse evdev pcspkr serio_raw usbhid hid iTCO_wdt iTCO_vendor_support button shpchp pci_hotplug i5000_edac edac_core xfs sr_mod cdrom pata_acpi ata_piix ses enclosure sd_mod crc_t10dif sg ata_generic libata dock ehci_hcd uhci_hcd usbcore bnx2 megaraid_sas scsi_mod dm_mirror dm_log dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [696135.821252] CPU 2: [696135.821252] Modules linked in: 8021q garp stp ipv6 iptable_filter ip_tables x_tables ext3 jbd mbcache parport_pc lp parport loop joydev dcdbas psmouse evdev pcspkr serio_raw usbhid hid iTCO_wdt iTCO_vendor_support button shpchp pci_hotplug i5000_edac edac_core xfs sr_mod cdrom pata_acpi ata_piix ses enclosure sd_mod crc_t10dif sg ata_generic libata dock ehci_hcd uhci_hcd usbcore bnx2 megaraid_sas scsi_mod dm_mirror dm_log dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse [696135.821252] Pid: 14816, comm: mysqld Not tainted 2.6.27-9-server #1 [696135.821252] RIP: 0010:[] [] find_get_pages+0x66/0x110 [696135.821252] RSP: 0018:ffff8801a315ba78 EFLAGS: 00000246 [696135.821252] RAX: ffff8801a42bb920 RBX: ffff8801a315bab8 RCX: 0000000000000003 [696135.821252] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffe200064eb200 [696135.821252] RBP: ffffffff807a5418 R08: ffffe200064ea248 R09: 0000000000000009 [696135.821252] R10: 000000000000000b R11: 000000000000590c R12: ffffffff8024535c [696135.821252] R13: ffff8801a315bb28 R14: ffffffff803a23ba R15: ffff8801a315b9d8 [696135.821252] FS: 00000000451e1950(0063) GS:ffff88022fc02d00(0000) knlGS:0000000000000000 [696135.821252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [696135.821252] CR2: 00007f340b2d2000 CR3: 0000000227dfe000 CR4: 00000000000006e0 [696135.821252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [696135.821252] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [696135.821252] [696135.821252] Call Trace: [696135.821252] [] ? find_get_pages+0x43/0x110 [696135.821252] [] ? pagevec_lookup+0x24/0x30 [696135.821252] [] ? xfs_probe_cluster+0x11b/0x2c0 [xfs] [696135.821252] [] ? xfs_page_state_convert+0x565/0x760 [xfs] [696135.821252] [] ? radix_tree_gang_lookup_tag_slot+0xc0/0xe0 [696135.821252] [] ? up_write+0xe/0x10 [696135.821252] [] ? xfs_vm_writepage+0x71/0x120 [xfs] [696135.821252] [] ? __dec_zone_page_state+0x2a/0x30 [696135.821252] [] ? __writepage+0x17/0x50 [696135.821252] [] ? write_cache_pages+0x255/0x3f0 [696135.821252] [] ? __writepage+0x0/0x50 [696135.821252] [] ? xfs_file_aio_write+0x58/0x60 [xfs] [696135.821252] [] ? do_sync_write+0xf9/0x140 [696135.821252] [] ? __wake_up+0x4e/0x70 [696135.821252] [] ? generic_writepages+0x24/0x30 [696135.821252] [] ? xfs_vm_writepages+0x5c/0x80 [xfs] [696135.821252] [] ? do_writepages+0x2d/0x50 [696135.821252] [] ? __filemap_fdatawrite_range+0x55/0x70 [696135.821252] [] ? filemap_fdatawrite+0x1f/0x30 [696135.821252] [] ? do_fsync+0x4d/0xf0 [696135.821252] [] ? __do_fsync+0x36/0x50 [696135.821252] [] ? sys_fsync+0x10/0x20 [696135.821252] [] ? system_call_fastpath+0x16/0x1b [696135.821252] [696201.321231] BUG: soft lockup - CPU#2 stuck for 61s! [mysqld:14816]