Additional info: BUG: unable to handle kernel paging request at 000000008017003e IP: [<ffffffff812122bf>] ext4_release_file+0x1f/0xc0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: lockd sunrpc nf_conntrack_netbios_ns nf_conntrack_broadcast ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables microcode virtio_balloon 8139too i2c_piix4 i2c_core 8139cp mii uinput dm_crypt virtio_blk CPU 0 Pid: 1431, comm: xfce4-session Not tainted 3.7.5-201.fc18.x86_64 #1 Bochs Bochs RIP: 0010:[<ffffffff812122bf>] [<ffffffff812122bf>] ext4_release_file+0x1f/0xc0 RSP: 0018:ffff8800d88e1b98 EFLAGS: 00010246 RAX: 000000000ffff880 RBX: ffff8800d8918e70 RCX: 0000000180170002 RDX: ffffffff81821660 RSI: 0000000080170002 RDI: ffff8800d8918e70 RBP: ffff8800d88e1bb8 R08: 0000000000000000 R09: ffff88011b02b600 R10: 000000000000003c R11: 0000000000000000 R12: ffff8800d8918f20 R13: ffff880115b59cf8 R14: ffff880115b59720 R15: ffff880115ac9880 FS: 0000000000000000(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000008017003e CR3: 00000000d9f90000 CR4: 00000000000007f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process xfce4-session (pid: 1431, threadinfo ffff8800d88e0000, task ffff880115b59720) Stack: ffff8800d8918e70 ffff880115b59cf8 ffff8800d8918e70 ffff8800d8918f20 ffff8800d88e1bd8 ffffffff8115eb12 000000000000016e ffff880115ac9880 ffff8800d88e1c88 ffffffff8116167d d104c9f9c68d23df ffff8800d9fad4d0 Call Trace: [<ffffffff8115eb12>] remove_vma+0x32/0x70 [<ffffffff8116167d>] exit_mmap+0xed/0x170 [<ffffffff8105baa3>] mmput+0x83/0xf0 [<ffffffff8119ba85>] flush_old_exec+0x405/0x790 [<ffffffff811e7ac3>] load_elf_binary+0x373/0x1aa0 [<ffffffff8115b682>] ? get_user_pages+0x52/0x60 [<ffffffff8119aed5>] ? copy_strings.isra.19+0x2b5/0x300 [<ffffffff811e7750>] ? load_elf_library+0x240/0x240 [<ffffffff8119b270>] search_binary_handler+0x130/0x330 [<ffffffff8119c754>] do_execve_common.isra.23+0x464/0x530 [<ffffffff8119c83b>] do_execve+0x1b/0x20 [<ffffffff8119cb24>] sys_execve+0x54/0x80 [<ffffffff8163e5d9>] stub_execve+0x69/0xc0 Code: 8b 49 58 e8 b4 2c f8 ff 5d c3 66 90 66 66 66 66 90 55 48 89 e5 41 54 53 48 89 fb 48 83 ec 10 48 8b 47 a0 48 c1 e8 24 a8 01 75 51 <f6> 46 3c 02 74 0b 8b 83 28 01 00 00 83 f8 01 74 58 48 8b 43 28 RIP [<ffffffff812122bf>] ext4_release_file+0x1f/0xc0 RSP <ffff8800d88e1b98> CR2: 000000008017003e
Created attachment 693805 [details] File: dmesg
This is the third bug I've looked at today where your KVM/QEMU guest has had some odd issues. Anyway, does your guest still see this with 3.8.x?
This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 2 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.