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Message #183240
[Bug 1577748] Re: OOPS on wily+ for Haswell-ULT and Broadwell
This bug was fixed in the package linux - 4.2.0-38.45
---------------
linux (4.2.0-38.45) wily; urgency=low
[ Kamal Mostafa ]
* CVE-2016-1583 (LP: #1588871)
- ecryptfs: fix handling of directory opening
- SAUCE: proc: prevent stacking filesystems on top
- SAUCE: ecryptfs: forbid opening files without mmap handler
- SAUCE: sched: panic on corrupted stack end
-- Andy Whitcroft <apw@xxxxxxxxxxxxx> Wed, 08 Jun 2016 22:10:39 +0100
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1577748
Title:
OOPS on wily+ for Haswell-ULT and Broadwell
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Vivid:
Fix Released
Status in linux source package in Wily:
Fix Released
Status in linux source package in Xenial:
Fix Released
Bug description:
After upgrading to the wily 4.2 kernel, we see early OOPSes similar to
the following on Haswell-ULT and Broadwell processors:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at /build/linux-lts-wily-MVxxD8/linux-lts-wily-4.2.0/arch/x86/mm/ioremap.c:198 __ioremap_caller+0x2a2/0x360()
Info: mapping multiple BARs. Your kernel is fine.
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.2.0-34-generic #39~14.04.1-Ubuntu
Hardware name: Hewlett-Packard HP EliteBook Folio 1040 G1/213E, BIOS L83 Ver. 01.07 03/28/2014
ffffffff81a91c80 ffff88023522bad8 ffffffff817b5fed 0000000000000001
ffff88023522bb28 ffff88023522bb18 ffffffff8107799a ffffc90000cbe000
ffffc90000cb8000 ffffc90000cb8000 0000000000006000 ffff880230297040
Call Trace:
[<ffffffff817b5fed>] dump_stack+0x45/0x57
[<ffffffff8107799a>] warn_slowpath_common+0x8a/0xc0
[<ffffffff81077a16>] warn_slowpath_fmt+0x46/0x50
[<ffffffff81064942>] __ioremap_caller+0x2a2/0x360
[<ffffffff81064a17>] ioremap_nocache+0x17/0x20
[<ffffffff810393c5>] snb_uncore_imc_init_box+0x65/0x90
[<ffffffff81037955>] uncore_pci_probe+0xd5/0x1c0
[<ffffffff813f3a75>] local_pci_probe+0x45/0xa0
[<ffffffff813f4c34>] ? pci_match_device+0xf4/0x120
[<ffffffff813f4d6a>] pci_device_probe+0xca/0x110
[<ffffffff814f6293>] driver_probe_device+0x213/0x460
[<ffffffff814f6570>] __driver_attach+0x90/0xa0
[<ffffffff814f64e0>] ? driver_probe_device+0x460/0x460
[<ffffffff814f409d>] bus_for_each_dev+0x5d/0x90
[<ffffffff814f5c0e>] driver_attach+0x1e/0x20
[<ffffffff814f5760>] bus_add_driver+0x1d0/0x290
[<ffffffff81d606cf>] ? uncore_cpu_setup+0x12/0x12
[<ffffffff814f6f30>] driver_register+0x60/0xe0
[<ffffffff813f33dc>] __pci_register_driver+0x4c/0x50
[<ffffffff81d607b5>] intel_uncore_init+0xe6/0x2fc
[<ffffffff81d606cf>] ? uncore_cpu_setup+0x12/0x12
[<ffffffff8100213d>] do_one_initcall+0xcd/0x1f0
[<ffffffff81094e00>] ? parse_args+0x120/0x470
[<ffffffff810b7528>] ? __wake_up+0x48/0x60
[<ffffffff81d512c5>] kernel_init_freeable+0x199/0x226
[<ffffffff81d509a1>] ? initcall_blacklist+0xc0/0xc0
[<ffffffff817a5f50>] ? rest_init+0x80/0x80
[<ffffffff817a5f5e>] kernel_init+0xe/0xe0
[<ffffffff817bd81f>] ret_from_fork+0x3f/0x70
[<ffffffff817a5f50>] ? rest_init+0x80/0x80
---[ end trace 5f5beae5b9d2dc45 ]---
the issue is fixed in upstream kernels, via two patches:
https://lkml.org/lkml/2015/12/11/165
http://lkml.iu.edu/hypermail/linux/kernel/1601.3/03815.html
each is a one-liner against the mch_quirk_devices[] structure.
[nlb-glaptop](0) $ cat /proc/version_signature
Ubuntu 4.2.0-35.40~14.04.1-generic 4.2.8-ckt5
[nlb-glaptop](0) $
[nlb-glaptop](0) $ lsb_release -rd
Description: Ubuntu 14.04 LTS
Release: 14.04
[nlb-glaptop](0) $
[nlb-glaptop](0) $ apt-cache policy linux-generic-lts-wily
linux-generic-lts-wily:
Installed: 4.2.0.35.28
Candidate: 4.2.0.35.28
Version table:
*** 4.2.0.35.28 0
600 https://rapture-prod.corp.google.com/ goobuntu-trusty-testing-laptop@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/main amd64 Packages
100 /var/lib/dpkg/status
[nlb-glaptop](0) $
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References