On Fri, Nov 21, 2008 at 09:38:23AM +0100, Emmanuel Lacour wrote: > > I continue to have this problem with this setup: > > - host 2.6.27.4, kvm-78, intel, debian etch 64bits > - guest 2.6.27.6, debian sarge 32 bits, e1000, 2 vcpus > > up/down of interface is enough to recover. >
Today I had a trace on this problem (first time), maybe this can help: Nov 21 14:34:42 foo kernel: [58345.000104] ------------[ cut here ]------------ Nov 21 14:34:42 foo kernel: [58345.000617] WARNING: at net/sched/sch_generic.c:219 dev_watchdog+0x164/0x1fd() Nov 21 14:34:42 foo kernel: [58345.001374] NETDEV WATCHDOG: eth0 (e1000): transmit timed out Nov 21 14:34:42 foo kernel: [58345.001825] Modules linked in: nfsd auth_rpcgss exportfs ac battery ipv6 nfs lockd nfs_acl sunrpc nf_nat_ftp nf_conntrack_ftp xt_tcpudp iptable_mangle iptable_nat nf_nat ipt_REJECT xt_limit nf_conntrack_ipv4 xt_state nf_conntrack ipt_LOG ipt_ULOG iptable_filter ip_tables x_tables dm_mod sd_mod snd_pcsp virtio_balloon snd_pcm snd_timer snd soundcore floppy snd_page_alloc psmouse serio_raw virtio_pci i2c_piix4 button i2c_core evdev ext3 jbd mbcache ide_cd_mod cdrom ide_disk ata_generic ata_piix libata scsi_mod dock piix ide_core uhci_hcd e1000 usbcore thermal processor fan thermal_sys Nov 21 14:34:42 foo kernel: [58345.022597] Pid: 0, comm: swapper Not tainted 2.6.27.6 #1 Nov 21 14:34:42 foo kernel: [58345.023027] [<c0126295>] warn_slowpath+0x58/0x70 Nov 21 14:34:42 foo kernel: [58345.023470] [<c028e96b>] ip_output+0x8e/0x90 Nov 21 14:34:42 foo kernel: [58345.029292] [<c028e3ab>] ip_local_out+0x15/0x17 Nov 21 14:34:42 foo kernel: [58345.030231] [<c028ec1d>] ip_queue_xmit+0x2b0/0x2f7 Nov 21 14:34:42 foo kernel: [58345.030684] [<c01169c7>] pvclock_get_nsec_offset+0xb/0x59 Nov 21 14:34:42 foo kernel: [58345.031163] [<c0116a79>] pvclock_clocksource_read+0x1a/0x2d Nov 21 14:34:42 foo kernel: [58345.031642] [<c01169c7>] pvclock_get_nsec_offset+0xb/0x59 Nov 21 14:34:42 foo kernel: [58345.032130] [<c0116a79>] pvclock_clocksource_read+0x1a/0x2d Nov 21 14:34:42 foo kernel: [58345.032608] [<c01169c7>] pvclock_get_nsec_offset+0xb/0x59 Nov 21 14:34:42 foo kernel: [58345.033080] [<c01169c7>] pvclock_get_nsec_offset+0xb/0x59 Nov 21 14:34:42 foo kernel: [58345.033570] [<c01169c7>] pvclock_get_nsec_offset+0xb/0x59 Nov 21 14:34:42 foo kernel: [58345.034036] [<c0116a79>] pvclock_clocksource_read+0x1a/0x2d Nov 21 14:34:42 foo kernel: [58345.034506] [<c027e572>] dev_watchdog+0x164/0x1fd Nov 21 14:34:42 foo kernel: [58345.034951] [<c0139cf7>] __atomic_notifier_call_chain+0x10/0x13 Nov 21 14:34:42 foo kernel: [58345.035455] [<c02d4c73>] _spin_lock_bh+0xf/0x12 Nov 21 14:34:42 foo kernel: [58345.035898] [<c012d9a4>] timer_stats_account_timer+0x22/0x27 Nov 21 14:34:42 foo kernel: [58345.036384] [<c012dfcf>] run_timer_softirq+0x11f/0x183 Nov 21 14:34:42 foo kernel: [58345.036840] [<c027e40e>] dev_watchdog+0x0/0x1fd Nov 21 14:34:42 foo kernel: [58345.037278] [<c01390dc>] hrtimer_interrupt+0x136/0x15e Nov 21 14:34:42 foo kernel: [58345.037736] [<c012a53f>] __do_softirq+0x69/0xd3 Nov 21 14:34:42 foo kernel: [58345.038172] [<c012a5ed>] do_softirq+0x44/0x52 Nov 21 14:34:42 foo kernel: [58345.038608] [<c012a67e>] irq_exit+0x38/0x6c Nov 21 14:34:42 foo kernel: [58345.039035] [<c01106f1>] smp_apic_timer_interrupt+0x2a/0x33 Nov 21 14:34:42 foo kernel: [58345.039518] [<c0104434>] apic_timer_interrupt+0x28/0x30 Nov 21 14:34:42 foo kernel: [58345.039980] [<c0116560>] native_safe_halt+0x2/0x3 Nov 21 14:34:42 foo kernel: [58345.040443] [<c0109196>] default_idle+0x2e/0x54 Nov 21 14:34:42 foo kernel: [58345.040886] [<c01020ff>] cpu_idle+0xc4/0xf7 Nov 21 14:34:42 foo kernel: [58345.041310] ======================= Nov 21 14:34:42 foo kernel: [58345.041692] ---[ end trace 934a9cb836d2434b ]--- Nov 21 14:34:42 foo kernel: [58345.080575] e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
