Solved.
I finally got rid of the hanging shutdown/reboot by blacklisting the
i82975x_edac module,
adding a the line
blacklist i82975x_edac
in the file /etc/modprobe.d/blacklist.conf
After unsuccessfully trying out a lot of things and many reboots the
final hint to my "solution" came in message display by dmsg:
....
Sep 24 06:52:35 fish kernel: [ 3.107842] usb 4-2: Manufacturer: DELL
Sep 24 06:52:35 fish kernel: [ 3.126222] input: DELL DELL USB Laser Mouse as
/devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2:1.0/input/input4
Sep 24 06:52:35 fish kernel: [ 3.126438] hid-generic 0003:046D:C063.0002:
input,hidraw1: USB HID v1.10 Mouse [DELL DELL USB Laser Mouse] on
usb-0000:00:1d.2-2/input0
Sep 24 06:52:35 fish kernel: [ 3.620790] random: nonblocking pool is
initialized
Sep 24 06:52:35 fish kernel: [ 6.801749] Adding 3906556k swap on /dev/sda3.
Priority:-1 extents:1 across:3906556k FS
Sep 24 06:52:35 fish kernel: [ 6.952753] IPv6: ADDRCONF(NETDEV_UP): eth0:
link is not ready
Sep 24 06:52:35 fish kernel: [ 7.076382] systemd-udevd[290]: starting
version 204
Sep 24 06:52:35 fish kernel: [ 7.823881] intel_rng: Firmware space is locked
read-only. If you can't or
Sep 24 06:52:35 fish kernel: [ 7.823881] intel_rng: don't want to disable
this in firmware setup, and if
Sep 24 06:52:35 fish kernel: [ 7.823881] intel_rng: you are certain that
your system has a functional
Sep 24 06:52:35 fish kernel: [ 7.823881] intel_rng: RNG, try using the
'no_fwh_detect' option.
Sep 24 06:52:35 fish kernel: [ 7.899351] EDAC MC: Ver: 3.0.0
Sep 24 06:52:35 fish kernel: [ 7.951314] BUG: unable to handle kernel NULL
pointer dereference at (null)
Sep 24 06:52:35 fish kernel: [ 7.951489] IP: [<ffffffffa00c97ee>]
edac_create_sysfs_mci_device+0x23e/0x550 [edac_core]
Sep 24 06:52:35 fish kernel: [ 7.951636] PGD 796d1067 PUD 796d2067 PMD 0
Sep 24 06:52:35 fish kernel: [ 7.951808] Oops: 0000 [#1] SMP
Sep 24 06:52:35 fish kernel: [ 7.951943] Modules linked in: i82975x_edac(+)
snd edac_core serio_raw soundcore mac_hid hid_generic usbhid hid ahci
firewire_ohci libahci firewire_core crc_itu_t floppy tg3 ptp pps_core
Sep 24 06:52:35 fish kernel: [ 7.952012] CPU: 0 PID: 309 Comm: systemd-udevd
Not tainted 3.13.0-36-generic #63-Ubuntu
Sep 24 06:52:35 fish kernel: [ 7.952012] Hardware name: Dell Inc.
Precision WorkStation 390 /0DN075, BIOS 2.6.0 05/19/2008
Sep 24 06:52:35 fish kernel: [ 7.952012] task: ffff88007b988000 ti:
ffff8800796e8000 task.ti: ffff8800796e8000
Sep 24 06:52:35 fish kernel: [ 7.952012] RIP: 0010:[<ffffffffa00c97ee>]
[<ffffffffa00c97ee>]
======= next line shows the culprit
edac_create_sysfs_mci_device+0x23e/0x550 [edac_core]
Sep 24 06:52:35 fish kernel: [ 7.952012] RSP: 0018:ffff8800796e9aa8 EFLAGS:
00010246
Sep 24 06:52:35 fish kernel: [ 7.952012] RAX: ffffea0000d91300 RBX:
ffff880078b09000 RCX: 0000000000017280
Sep 24 06:52:35 fish kernel: [ 7.952012] RDX: 0000000000000000 RSI:
0000000000000002 RDI: 000000000000001f
Sep 24 06:52:35 fish kernel: [ 7.952012] RBP: ffff8800796e9ae8 R08:
0000000000000000 R09: 0000000000000000
Sep 24 06:52:35 fish kernel: [ 7.952012] R10: ffffea0001e58000 R11:
ffffffff814947b4 R12: 00000000ffffffff
Sep 24 06:52:35 fish kernel: [ 7.952012] R13: 00000000ffffffff R14:
ffff880036b88000 R15: ffff880036b88000
Sep 24 06:52:35 fish kernel: [ 7.952012] FS: 00007fd9c2c22880(0000)
GS:ffff88007f800000(0000) knlGS:0000000000000000
Sep 24 06:52:35 fish kernel: [ 7.952012] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Sep 24 06:52:35 fish kernel: [ 7.952012] CR2: 0000000000000000 CR3:
00000000796d0000 CR4: 00000000000007f0
Sep 24 06:52:35 fish kernel: [ 7.952012] Stack:
Sep 24 06:52:35 fish kernel: [ 7.952012] ffff8800796e9b60 ffff8800796e9b65
ffff8800ffffffed ffff880078b09400
Sep 24 06:52:35 fish kernel: [ 7.952012] ffff880036b88000 0000000000000008
ffff880036b88000 ffff880036b88000
Sep 24 06:52:35 fish kernel: [ 7.952012] ffff8800796e9b18 ffffffffa00c7547
ffff88003646dc00 ffff880078b09400
Sep 24 06:52:35 fish kernel: [ 7.952012] Call Trace:
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffffa00c7547>]
edac_mc_add_mc+0x157/0x370 [edac_core]
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffffa00d7556>]
i82975x_init_one+0x376/0x410 [i82975x_edac]
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff813a84a5>]
local_pci_probe+0x45/0xa0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff813a9745>] ?
pci_match_device+0xc5/0xd0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff813a9869>]
pci_device_probe+0xd9/0x130
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff8149596d>]
driver_probe_device+0x12d/0x3e0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff81495cf3>]
__driver_attach+0x93/0xa0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff81495c60>] ?
__device_attach+0x40/0x40
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff814938d3>]
bus_for_each_dev+0x63/0xa0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff8149531e>]
driver_attach+0x1e/0x20
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff81494f00>]
bus_add_driver+0x180/0x250
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffffa0006000>] ?
0xffffffffa0005fff
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff81496374>]
driver_register+0x64/0xf0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffffa0006000>] ?
0xffffffffa0005fff
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff813a7e3c>]
__pci_register_driver+0x4c/0x50
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffffa0006032>]
i82975x_init+0x32/0x1000 [i82975x_edac]
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff8100214a>]
do_one_initcall+0xfa/0x1b0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff810598d3>] ?
set_memory_nx+0x43/0x50
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff810e21ed>]
load_module+0x12dd/0x1b40
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff810ddc80>] ?
store_uevent+0x40/0x40
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff810e2bc6>]
SyS_finit_module+0x86/0xb0
Sep 24 06:52:35 fish kernel: [ 7.952012] [<ffffffff8172efad>]
system_call_fastpath+0x1a/0x1f
Sep 24 06:52:35 fish kernel: [ 7.952012] Code: 45 d0 75 d3 66 0f 1f 84 00 00
00 00 00 4c 89 ff 89 45 d0 e8 75 80 3c e1 49 8b bf a0 02 00 00 e8 29 af 3c e1
49 8b 97 a0 02 00 00 <48> 8b 3a e8 ca 7d 0d e1 8b 45 d0 48 83 c4 18 5b 41 5c 41
5d 41
Sep 24 06:52:35 fish kernel: [ 7.952012] RIP [<ffffffffa00c97ee>]
edac_create_sysfs_mci_device+0x23e/0x550 [edac_core]
Sep 24 06:52:35 fish kernel: [ 7.952012] RSP <ffff8800796e9aa8>
Sep 24 06:52:35 fish kernel: [ 7.952012] CR2: 0000000000000000
Sep 24 06:52:35 fish kernel: [ 7.959078] ---[ end trace d79a242bd61151eb ]---
After rebooting (thanks to MagicSysReq) the machine shuts down properly.
Shutdown does not display message 'mount / busy' anymore.
I don't know what consequences I will encounter by not having loaded the
i82975x_edac module.
As far as I can say, Trusty Tahr and I are quite happy without it.
ahau
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pm-utils in Ubuntu.
https://bugs.launchpad.net/bugs/1372006
Title:
pci_devices does not terminate at computer shutdown
Status in “pm-utils” package in Ubuntu:
New
Bug description:
Shutdown does not halt on my Dell Precision 390
the shutdown sequence prints on the console:
mount: / is busy
/etc/init.d/sendsigs does not terminate systemd-udevd
Only solution: enable and use ALT-SYSREQ REISUB (to keep the root fs
clean)
I tried to change GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub (+
update-grub):
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=pci" or
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=bios" or
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash acpi=force
Shutdown still hangs with 'mount: / is busy'
I even updated the BIOS from 2.0.4 to 2.06, no luck.
When booting from a Knoppix 6.0.1 CD with a 2.6 kernel, shutdown
works and halts the system to poweroff state.
Any ideas?
Thanks
ahau
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: pm-utils 1.4.1-13ubuntu0.1
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
Date: Sun Sep 21 02:58:10 2014
ExecutablePath: /usr/lib/pm-utils/power.d/pci_devices
InstallationDate: Installed on 2014-09-19 (1 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
InterpreterPath: /bin/dash
OmitPids: 11761 308 302 11767 723 714 11890 11767 723 714 11890
PackageArchitecture: all
ProcCmdline: /bin/sh /usr/lib/pm-utils/power.d/pci_devices false
ProcEnviron:
LC_COLLATE=C
PATH=(custom, no user)
SourcePackage: pm-utils
Title: pci_devices does not terminate at computer shutdown
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1372006/+subscriptions
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