Имеется серв с Debian Lenny и ядром 2.6.26-2-xen-amd64. На серве крутятся VPSки. Время от времени всё адово тормозит (uptime на хосте показывает load average до 10, пинги до серва более 500ms, при 5-10 в норме, top ничего жрущего не показывает) с такой руганью:
Jul 7 18:59:19 gamma kernel: [94430.041828] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
Jul 7 18:59:19 gamma kernel: [94430.041828] Modules linked in: nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp xt_physdev iptable_filter ip_tables x_tables ipv6 bridge netloop fuse loop serio_raw i2c_i801 psmouse pcspkr i2c_core button evdev ext3 jbd mbcache raid1 md_mod sd_mod ahci floppy libata scsi_mod dock e1000 ehci_hcd e1000e uhci_hcd thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
Jul 7 18:59:19 gamma kernel: [94430.041828] CPU 0:
Jul 7 18:59:19 gamma kernel: [94430.041828] Modules linked in: nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp xt_physdev iptable_filter ip_tables x_tables ipv6 bridge netloop fuse loop serio_raw i2c_i801 psmouse pcspkr i2c_core button evdev ext3 jbd mbcache raid1 md_mod sd_mod ahci floppy libata scsi_mod dock e1000 ehci_hcd e1000e uhci_hcd thermal processor fan thermal_sys [last unloaded: scsi_wait_scan]
Jul 7 18:59:19 gamma kernel: [94430.041828] Pid: 0, comm: swapper Not tainted 2.6.26-2-xen-amd64 #1
Jul 7 18:59:19 gamma kernel: [94430.041828] RIP: e030:[<ffffffff802083aa>] [<ffffffff802083aa>]
Jul 7 18:59:19 gamma kernel: [94430.041828] RSP: e02b:ffffffff80553f10 EFLAGS: 00000246
Jul 7 18:59:19 gamma kernel: [94430.041828] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff802083aa
Jul 7 18:59:19 gamma kernel: [94430.041828] RDX: ffffffff80553f28 RSI: 0000000000000000 RDI: 0000000000000001
Jul 7 18:59:19 gamma kernel: [94430.041828] RBP: 0000000000631918 R08: 0000000000000000 R09: ffff880001a0f5b8
Jul 7 18:59:19 gamma kernel: [94430.041828] R10: ffff88008146f000 R11: 0000000000000246 R12: ffffffffffffffff
Jul 7 18:59:19 gamma kernel: [94430.041828] R13: ffffffff8057c580 R14: ffffffff8057d1c0 R15: 0000000000000000
Jul 7 18:59:19 gamma kernel: [94430.041828] FS: 00007f232b2696f0(0000) GS:ffffffff8053a000(0000) knlGS:0000000000000000
Jul 7 18:59:19 gamma kernel: [94430.041828] CS: e033 DS: 0000 ES: 0000
Jul 7 18:59:19 gamma kernel: [94430.041828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 7 18:59:19 gamma kernel: [94430.041828] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 7 18:59:19 gamma kernel: [94430.041828]
Jul 7 18:59:19 gamma kernel: [94430.041828] Call Trace:
Jul 7 18:59:19 gamma kernel: [94430.041828] [<ffffffff8020e79d>] ? xen_safe_halt+0x90/0xa6
Jul 7 18:59:19 gamma kernel: [94430.041828] [<ffffffff8020a0ce>] ? xen_idle+0x2e/0x66
Jul 7 18:59:19 gamma kernel: [94430.041828] [<ffffffff80209d49>] ? cpu_idle+0x97/0xb9
Jul 7 18:59:19 gamma kernel: [94430.041828]Было уже 2 обновления ядра. Проблема остаётся. Чтобы это могло быть и в какую сторону копать?
