Bugs item #2104495, was opened at 2008-09-10 18:12 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=2104495&group_id=180599
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: kernel Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Shawn starr (sh0nx) Assigned to: Nobody/Anonymous (nobody) Summary: kernel double fault (kvm induced?) Initial Comment: While using KVM system threw the following exception: Some apps died and a KVM vm is stuck running and cannot be killed with -9 even. [ 8498.751013] br0: topology change detected, propagating [ 8498.751025] br0: port 2(vnet1) entering forwarding state [11227.894242] dbus-daemon[2911]: segfault at 7fcbfc5b99ed ip 00007fcbfc5b99ed sp 00007fff045d3a50 error 14 [11228.613795] gnome-keyring-d[6197] trap int3 ip:3f9b640e74 sp:7fffd9fa80a0 error:0 [11518.585177] double fault: 0000 [1] SMP DEBUG_PAGEALLOC [11518.585191] CPU 0 [11518.585199] Modules linked in: nfs kvm_intel kvm bnep rfcomm l2cap bluetooth nouveau drm tun ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT nfsd lockd nfs_acl auth_rpcgss exportfs w83627ehf hwmon_vid hwmon fuse sunrpc bridge stp xt_physdev nf_conntrack_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 loop sr_mod cdrom i2c_i801 snd_hda_intel pcspkr i2c_core iTCO_wdt iTCO_vendor_support ata_piix e100 ata_generic pata_acpi mii snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_hwdep sky2 snd soundcore dm_snapshot dm_zero dm_mirror dm_log dm_mod ahci ext3 jbd mbcache [last unloaded: kvm] [11518.585329] Pid: 5059, comm: qemu-kvm Not tainted 2.6.27-0.321.rc6.fc10.x86_64 #1 [11518.585332] RIP: 0010:[<ffffffffa03c841a>] [<ffffffffa03c841a>] kvm_read_guest_atomic+0x1f/0x7f [kvm] [11518.585364] RSP: 0018:ffff87ffc28d39b8 EFLAGS: 00010203 [11518.585367] RAX: ffff8800c3dff790 RBX: 0000000001be5d30 RCX: 0000000000000008 [11518.585370] RDX: ffff8800c28d3a98 RSI: 0000000000001be5 RDI: ffff88009add4000 [11518.585373] RBP: ffff8800c28d39d8 R08: 0000000000000002 R09: ffffffffa03d2c9a [11518.585376] R10: ffffffff8105dba9 R11: ffff880056591370 R12: 0000000000000008 [11518.585380] R13: ffff8800c28d3a98 R14: ffff8800565c0000 R15: ffff8800565c1640 [11518.585384] FS: 0000000044192950(0063) GS:ffffffff816aaa00(0000) knlGS:0000000000000000 [11518.585387] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [11518.585390] CR2: ffff87ffc28d39a8 CR3: 00000000871d6000 CR4: 00000000000026e0 [11518.585394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [11518.585398] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [11518.585402] Process qemu-kvm (pid: 5059, threadinfo ffff8800c28d2000, task ffff88009aca4500) [11518.585405] Stack: <1>BUG: unable to handle kernel paging request at ffff87ffc28d39b8 [11518.585426] IP: [<ffffffff810134fd>] show_stack_log_lvl+0xae/0xfb [11518.585443] PGD 0 [11518.585447] Oops: 0000 [2] SMP DEBUG_PAGEALLOC [11518.585452] CPU 0 [11518.585455] Modules linked in: nfs kvm_intel kvm bnep rfcomm l2cap bluetooth nouveau drm tun ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT nfsd lockd nfs_acl auth_rpcgss exportfs w83627ehf hwmon_vid hwmon fuse sunrpc bridge stp xt_physdev nf_conntrack_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 loop sr_mod cdrom i2c_i801 snd_hda_intel pcspkr i2c_core iTCO_wdt iTCO_vendor_support ata_piix e100 ata_generic pata_acpi mii snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_hwdep sky2 snd soundcore dm_snapshot dm_zero dm_mirror dm_log dm_mod ahci ext3 jbd mbcache [last unloaded: kvm] [11518.585558] Pid: 5059, comm: qemu-kvm Not tainted 2.6.27-0.321.rc6.fc10.x86_64 #1 [11518.585561] RIP: 0010:[<ffffffff810134fd>] [<ffffffff810134fd>] show_stack_log_lvl+0xae/0xfb [11518.585567] RSP: 0018:ffffffff81a4ee28 EFLAGS: 00010046 [11518.585570] RAX: ffffffff816aaa00 RBX: ffff87ffc28d39b8 RCX: ffff8800c28d39d8 [11518.585573] RDX: ffff88000156c800 RSI: ffffffff81a4ef58 RDI: 0000000000000000 [11518.585576] RBP: ffffffff81a4ee78 R08: ffffffff814278fd R09: 0000000000000000 [11518.585579] R10: ffffffffffffffff R11: 352e38313531315b R12: 0000000000000000 [11518.585582] R13: 0000000000000000 R14: ffffffff81a4cfc0 R15: ffffffff81a48fc0 [11518.585586] FS: 0000000044192950(0063) GS:ffffffff816aaa00(0000) knlGS:0000000000000000 [11518.585589] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [11518.585592] CR2: ffff87ffc28d39b8 CR3: 00000000871d6000 CR4: 00000000000026e0 [11518.585596] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [11518.585599] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [11518.585603] Process qemu-kvm (pid: 5059, threadinfo ffff8800c28d2000, task ffff88009aca4500) [11518.585605] Stack: 0000000000000008 ffffffff814278fd ffff8800c28d39d8 ffffffff81a4ef58 [11518.585616] ffff87ffc28d39b8 ffff88009aca4500 0000000000000ac0 ffffffff81a4ef58 [11518.585623] 0000000000000040 ffff87ffc28d39b8 ffffffff81a4eeb8 ffffffff81013600 [11518.585632] Call Trace: [11518.585637] <#DF> [<ffffffff81013600>] show_registers+0xb6/0x226 [11518.585649] [<ffffffff813252c3>] __die+0xa7/0x11c [11518.585653] [<ffffffff810137b7>] die+0x47/0x6b [11518.585656] [<ffffffff81013fc3>] do_double_fault+0x68/0x6a [11518.585660] [<ffffffff81012b40>] double_fault+0xa0/0xd0 [11518.585666] [<ffffffff8105dba9>] ? up_read+0x2b/0x2f [11518.585680] [<ffffffffa03d2c9a>] ? kvm_mmu_pte_write+0x1ca/0x7f5 [kvm] [11518.585691] [<ffffffffa03c841a>] ? kvm_read_guest_atomic+0x1f/0x7f [kvm] [11518.585694] <<EOE>> [11518.585696] [11518.585698] Code: 8b 5b f8 e8 2c db 30 00 eb 08 f7 c3 ff 1f 00 00 74 3f 45 85 e4 74 14 41 f6 c4 03 75 0e 48 c7 c7 12 de 45 81 31 c0 e8 09 db 30 00 <48> 8b 33 48 c7 c7 9f 62 41 81 31 c0 48 83 c3 08 41 ff c4 e8 f1 [11518.585769] RIP [<ffffffff810134fd>] show_stack_log_lvl+0xae/0xfb [11518.585775] RSP <ffffffff81a4ee28> [11518.585780] CR2: ffff87ffc28d39b8 [11518.585796] ---[ end trace 244957d9712a612b ]--- Kernel is 2.6.27-0.321.rc6.fc10.x86_64 Processor is: Pentium D 3.00Ghz VT supported Not sure how I triggered this one :) ---------------------------------------------------------------------- You can respond by visiting: 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