This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- vivid' to 'verification-done-vivid'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-vivid ** Tags added: verification-needed-wily -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1577748 Title: OOPS on wily+ for Haswell-ULT and Broadwell Status in linux package in Ubuntu: Fix Committed Status in linux source package in Vivid: Fix Committed Status in linux source package in Wily: Fix Committed Status in linux source package in Xenial: Fix Committed 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-lap...@nlb-glaptop.roam.corp.google.com/main amd64 Packages 100 /var/lib/dpkg/status [nlb-glaptop](0) $ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1577748/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
