** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1085783
Title:
Kernel Panic
Status in Linux Kernel Bugs:
New
Status in “linux” package in Ubuntu:
New
Bug description:
I've reproduced this bug on two systems (same make/model)
I can reproduce this kernel panic by doing the following (from a fresh
kubuntu install)
1.) Home directories are NFS-mounted (SSO with kerberos & LDAP)
$ apt-get build-dep zeroc-ice
$ apt-get source zeroc-ice
$ cd zeroc-ice-3.4.2
$ dpkg-buildpackage
very shortly after running dpkg-buildpackage (somewhere between the
patches being applied to the source and compilation begins (I'm not
seeing the typical output of ./configure) the system crashes with a
kernel panic.
I hooked up a serial cable & dumped the console to it, so I could
catch the crash, and the output is below.
Additional: I installed http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.6.3-quantal/linux-
image-3.6.3-030603-generic_3.6.3-030603.201210211349_amd64.deb (and
its headers). The 3.6.3 kernel runs without issues, and I've been
unable to reproduce the crash. So it seems likely that the problem is
with the 3.5.0-19-generic kernel package.
[ 231.156055] kernel tried to execute NX-protected page - exploit attempt?
(uid: 0)
[ 231.160048] VFS: Close: file count is 0
[ 231.160398] BUG: unable to handle kernel paging request at ffffe8ffffc802a8
[ 231.160398] IP: [<ffffe8ffffc802a8>] 0xffffe8ffffc802a7
[ 231.160398] PGD 13555f067 PUD 136077067 PMD 1354f4067 PTE 8000000134268163
[ 231.160398] Oops: 0011 [#1] SMP
[ 231.160398] CPU 1
[ 231.160398] Modules linked in:[ 231.160398] ipt_MASQUERADE iptable_nat
nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables bridge
stp llc autofs4 parport_pc ppdev rfcomm bnep bluetooth nfsd binfmt_misc nfs
lockd fscache auth_rpcgss nfs_acl sunrpc coretemp kvm_intel kvm
snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device
snd mac_hid lpc_ich psmouse serio_raw microcode soundcore lp snd_page_alloc
parport hid_generic usbhid hid vesafb sky2
[ 231.160398] Pid: 10, comm: ksoftirqd/1 Not tainted 3.5.0-19-generic
#30-Ubuntu LENOVO 7307A1U/To be filled by O.E.M.
[ 231.160398] RIP: 0010:[<ffffe8ffffc802a8>] [<ffffe8ffffc802a8>]
0xffffe8ffffc802a7
[ 231.160398] RSP: 0018:ffff880139b73d88 EFLAGS: 00010296
[ 231.160398] RAX: ffff880136247701 RBX: ffff88013fc8ed40 RCX:
000000000000c0ed
[ 231.160398] RDX: ffff880136118800 RSI: ffffe8ffffc802a8 RDI:
ffff880136118800
[ 231.160398] RBP: ffff880139b73df0 R08: 0000000000016710 R09:
ffff88013fc96710
[ 231.160398] R10: ffffffff8107cf97 R11: ffffffff8113d8b1 R12:
000000000000000a
[ 231.160398] R13: 0000000000000000 R14: 0000000000000001 R15:
ffffe8ffffc802a8
[ 231.160398] FS: 0000000000000000(0000) GS:ffff88013fc80000(0000)
knlGS:0000000000000000
[ 231.160398] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 231.160398] CR2: ffffe8ffffc802a8 CR3: 0000000136275000 CR4:
00000000000407e0
[ 231.160398] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 231.160398] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 231.160398] Process ksoftirqd/1 (pid: 10, threadinfo ffff880139b72000,
task ffff880139b6ae00)
[ 231.160398] Stack:
[ 231.160398] ffffffff810e7682 ffff88013fc939c0 ffff880134313dd8
ffff88013fc8ed70
[ 231.160398] ffffffff81c385c0 ffff880139b6ae00 ffff880139b73fd8
ffff880139b73df0
[ 231.160398] 0000000000000001 ffffffff81c040c8 0000000000000009
0000000000000009
[ 231.160398] Call Trace:
[ 231.160398] [<ffffffff810e7682>] ? __rcu_process_callbacks+0x1a2/0x440
[ 231.160398] [<ffffffff810e794f>] rcu_process_callbacks+0x2f/0xc0
[ 231.160398] [<ffffffff8105a796>] __do_softirq+0xb6/0x1d0
[ 231.160398] [<ffffffff8105a987>] run_ksoftirqd+0xd7/0x190
[ 231.160398] [<ffffffff8105a8b0>] ? __do_softirq+0x1d0/0x1d0
[ 231.160398] [<ffffffff81075f03>] kthread+0x93/0xa0
[ 231.160398] [<ffffffff8168c624>] kernel_thread_helper+0x4/0x10
[ 231.160398] [<ffffffff81075e70>] ? kthread_freezable_should_stop+0x70/0x70
[ 231.160398] [<ffffffff8168c620>] ? gs_change+0x13/0x13
[ 231.160398] Code: 00 00 00 80 02 c8 ff ff e8 ff ff 80 02 c8 ff ff e8 ff ff
00 00 00 00 0e 00 00 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 40 00 80 <00> 88
11 36 01 88 ff ff 00 88 11 36 01 88 ff ff 00 00 40 00 00
[ 231.160398] RIP [<ffffe8ffffc802a8>] 0xffffe8ffffc802a7
[ 231.160398] RSP <ffff880139b73d88>
[ 231.160398] CR2: ffffe8ffffc802a8
[ 231.160398] ---[ end trace 8d2c795c79c46654 ]---
[ 231.160398] Kernel panic - not syncing: Fatal exception in interrupt
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
Uname: Linux 3.6.3-030603-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
Date: Sun Dec 2 20:44:11 2012
InstallationDate: Installed on 2012-11-28 (4 days ago)
InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64
(20121017.1)
MarkForUpload: True
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
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