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  1. Bug #1768292
  2. Comment #4

Comment 4 for bug 1768292

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John W. Galvin (live2fly) wrote : Re: [Bug 1768292] Re: Bionic: Intermittently sent to Emergency Mode on boot with unhandled kernel NULL pointer dereference at 0000000000000980

This was after a fresh install of 18.04 desktop last Friday. I don’t believe any updates have applied since then. I will look at testing the latest upstream kernel. I am not completely sure, but I think this may only happen when the t570 is on battery.

--Galvin

> On May 1, 2018, at 12:50 PM, Joseph Salisbury <email address hidden> wrote:
>
> Did this issue start happening after an update/upgrade? Was there a
> prior kernel version where you were not having this particular problem?
>
> Would it be possible for you to test the latest upstream kernel? Refer
> to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
> v4.16 kernel[0].
>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
>
> Thanks in advance.
>
> [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17-rc3
>
> ** Changed in: linux (Ubuntu)
> Importance: Undecided => High
>
> ** Tags added: kernel-da-key
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1768292
>
> Title:
> Bionic: Intermittently sent to Emergency Mode on boot with unhandled
> kernel NULL pointer dereference at 0000000000000980
>
> Status in linux package in Ubuntu:
> Incomplete
>
> Bug description:
> Ubuntu Desktop 18.04 release version, running on a Lenovo T570 laptop.
> Sometimes, at boot, the system goes into Emergency Mode. In looking
> at journalctl -xb output, the following messages are logged:
>
> May 01 10:05:04 galvin-T570 kernel: hidraw: raw HID events driver (C) Jiri Kosina
> May 01 10:05:04 galvin-T570 kernel: acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on
> May 01 10:05:04 galvin-T570 kernel: acpi PNP0C14:03: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on
> May 01 10:05:04 galvin-T570 kernel: pps_core: LinuxPPS API ver. 1 registered
> May 01 10:05:04 galvin-T570 kernel: pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <email address hidden>
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: NHI initialized, starting thunderbolt
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: allocating TX ring 0 of size 10
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: allocating RX ring 0 of size 10
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: control channel created
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: control channel starting...
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: starting TX ring 0
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: enabling interrupt at register 0x38200 bit 0 (0x0 -> 0x1)
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: starting RX ring 0
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: enabling interrupt at register 0x38200 bit 12 (0x1 -> 0x1001)
> May 01 10:05:04 galvin-T570 kernel: thunderbolt 0000:09:00.0: starting ICM firmware
> May 01 10:05:04 galvin-T570 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000980
> May 01 10:05:04 galvin-T570 kernel: IP: pci_write_config_dword+0x5/0x30
> May 01 10:05:04 galvin-T570 kernel: PGD 0 P4D 0
> May 01 10:05:04 galvin-T570 kernel: Oops: 0000 [#1] SMP PTI
> May 01 10:05:04 galvin-T570 kernel: Modules linked in: pps_core nvme_core thunderbolt(+) wmi i2c_hid hid video
> May 01 10:05:04 galvin-T570 kernel: CPU: 3 PID: 173 Comm: systemd-udevd Not tainted 4.15.0-20-generic #21-Ubuntu
> May 01 10:05:04 galvin-T570 kernel: Hardware name: LENOVO 20H9000NUS/20H9000NUS, BIOS N1VET32W (1.22 ) 06/02/2017
> May 01 10:05:04 galvin-T570 kernel: RIP: 0010:pci_write_config_dword+0x5/0x30
> May 01 10:05:04 galvin-T570 kernel: RSP: 0018:ffffa27f840f39e0 EFLAGS: 00010296
> May 01 10:05:04 galvin-T570 kernel: RAX: 0000000040000126 RBX: 0000000000000000 RCX: 0000000000000050
> May 01 10:05:04 galvin-T570 kernel: RDX: 0000000000000200 RSI: 0000000000000034 RDI: 0000000000000000
> May 01 10:05:04 galvin-T570 kernel: RBP: ffffa27f840f3a18 R08: 0000000000000200 R09: 0000000000000320
> May 01 10:05:04 galvin-T570 kernel: R10: 0000000000002000 R11: 0000000000000000 R12: 0000000000000000
> May 01 10:05:04 galvin-T570 kernel: R13: 0000000000000050 R14: ffff91b2efc5bb30 R15: 0000000000000000
> May 01 10:05:04 galvin-T570 kernel: FS: 00007f4a6cf70680(0000) GS:ffff91b31f580000(0000) knlGS:0000000000000000
> May 01 10:05:04 galvin-T570 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> May 01 10:05:04 galvin-T570 kernel: CR2: 0000000000000980 CR3: 000000082f944005 CR4: 00000000003606e0
> May 01 10:05:04 galvin-T570 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> May 01 10:05:04 galvin-T570 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> May 01 10:05:04 galvin-T570 kernel: Call Trace:
> May 01 10:05:04 galvin-T570 kernel: ? pcie2cio_write+0x40/0x80 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: icm_driver_ready+0x1ad/0x2b0 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: ? tb_ctl_start+0x50/0x90 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: tb_domain_add+0x79/0x100 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: nhi_probe+0x186/0x300 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: local_pci_probe+0x47/0xa0
> May 01 10:05:04 galvin-T570 kernel: pci_device_probe+0x145/0x1b0
> May 01 10:05:04 galvin-T570 kernel: driver_probe_device+0x31e/0x490
> May 01 10:05:04 galvin-T570 kernel: __driver_attach+0xa7/0xf0
> May 01 10:05:04 galvin-T570 kernel: ? driver_probe_device+0x490/0x490
> May 01 10:05:04 galvin-T570 kernel: bus_for_each_dev+0x70/0xc0
> May 01 10:05:04 galvin-T570 kernel: driver_attach+0x1e/0x20
> May 01 10:05:04 galvin-T570 kernel: bus_add_driver+0x1c7/0x270
> May 01 10:05:04 galvin-T570 kernel: ? 0xffffffffc028c000
> May 01 10:05:04 galvin-T570 kernel: driver_register+0x60/0xe0
> May 01 10:05:04 galvin-T570 kernel: ? 0xffffffffc028c000
> May 01 10:05:04 galvin-T570 kernel: __pci_register_driver+0x5a/0x60
> May 01 10:05:04 galvin-T570 kernel: nhi_init+0x2d/0x1000 [thunderbolt]
> May 01 10:05:04 galvin-T570 kernel: do_one_initcall+0x52/0x19f
> May 01 10:05:04 galvin-T570 kernel: ? _cond_resched+0x19/0x40
> May 01 10:05:04 galvin-T570 kernel: ? kmem_cache_alloc_trace+0xa6/0x1b0
> May 01 10:05:04 galvin-T570 kernel: ? do_init_module+0x27/0x209
> May 01 10:05:04 galvin-T570 kernel: do_init_module+0x5f/0x209
> May 01 10:05:04 galvin-T570 kernel: load_module+0x191e/0x1f10
> May 01 10:05:04 galvin-T570 kernel: ? ima_post_read_file+0x96/0xa0
> May 01 10:05:04 galvin-T570 kernel: SYSC_finit_module+0xfc/0x120
> May 01 10:05:04 galvin-T570 kernel: ? SYSC_finit_module+0xfc/0x120
> May 01 10:05:04 galvin-T570 kernel: SyS_finit_module+0xe/0x10
> May 01 10:05:04 galvin-T570 kernel: do_syscall_64+0x73/0x130
> May 01 10:05:04 galvin-T570 kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2
> May 01 10:05:04 galvin-T570 kernel: RIP: 0033:0x7f4a6ca7a839
> May 01 10:05:04 galvin-T570 kernel: RSP: 002b:00007ffdf06cde08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
> May 01 10:05:04 galvin-T570 kernel: RAX: ffffffffffffffda RBX: 00005587e4a21e40 RCX: 00007f4a6ca7a839
> May 01 10:05:04 galvin-T570 kernel: RDX: 0000000000000000 RSI: 00007f4a6c7590e5 RDI: 0000000000000005
> May 01 10:05:04 galvin-T570 kernel: RBP: 00007f4a6c7590e5 R08: 0000000000000000 R09: 00007ffdf06cdf20
> May 01 10:05:04 galvin-T570 kernel: R10: 0000000000000005 R11: 0000000000000246 R12: 0000000000000000
> May 01 10:05:04 galvin-T570 kernel: R13: 00005587e4a18ef0 R14: 0000000000020000 R15: 00005587e4a21e40
> May 01 10:05:04 galvin-T570 kernel: Code: 87 c0 00 00 00 b9 04 00 00 00 48 89 e5 48 8b 40 20 e8 00 f8 71 00 5d c3 b8 87 00 00 00 c3
> May 01 10:05:04 galvin-T570 kernel: RIP: pci_write_config_dword+0x5/0x30 RSP: ffffa27f840f39e0
> May 01 10:05:04 galvin-T570 kernel: CR2: 0000000000000980
> May 01 10:05:04 galvin-T570 kernel: ---[ end trace b696dc351adf7f0f ]---
>
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