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[Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB o
From: |
Dan Streetman |
Subject: |
[Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM |
Date: |
Fri, 04 May 2018 16:15:49 -0000 |
BTW this is the stacktrace I get from a Xenial guest on Xenial host:
[ 0.000000] BUG: unable to handle kernel paging request at ffffc90000000004
[ 0.000000] IP: [<ffffffff81f7dc60>] hpet_enable.part.13+0x23/0x2a5
[ 0.000000] PGD 171629ab067 PUD 171629ac067 PMD 171629ad067 PTE
80000000fed00073
[ 0.000000] Oops: 0009 [#1] SMP
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.0-122-generic
#146-Ubuntu
[ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
Ubuntu-1.8.2-1ubuntu1 04/01/2014
[ 0.000000] task: ffffffff81e13500 ti: ffffffff81e00000 task.ti:
ffffffff81e00000
[ 0.000000] RIP: 0010:[<ffffffff81f7dc60>] [<ffffffff81f7dc60>]
hpet_enable.part.13+0x23/0x2a5
[ 0.000000] RSP: 0000:ffffffff81e03ef0 EFLAGS: 00010282
[ 0.000000] RAX: ffffc90000000000 RBX: ffffffffffffffff RCX: 0000000000000000
[ 0.000000] RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
[ 0.000000] RBP: ffffffff81e03f10 R08: 000000000001ad50 R09: 00000000000001f0
[ 0.000000] R10: ffff89773fa20000 R11: 0000000000000001 R12: ffff89773f99f6c0
[ 0.000000] R13: ffffffff8200e920 R14: ffffffff8201c2e0 R15: ffffffff81e03fa8
[ 0.000000] FS: 0000000000000000(0000) GS:ffff897162c00000(0000)
knlGS:0000000000000000
[ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 0.000000] CR2: ffffc90000000004 CR3: 0000000001e0a000 CR4: 0000000000000630
[ 0.000000] Stack:
[ 0.000000] ffffffffffffffff ffff89773f99f6c0 ffffffff8200e920
ffffffff8201c2e0
[ 0.000000] ffffffff81e03f20 ffffffff81f7df00 ffffffff81e03f30
ffffffff81f6ee7a
[ 0.000000] ffffffff81e03f40 ffffffff81f6ee4a ffffffff81e03f80
ffffffff81f63f71
[ 0.000000] Call Trace:
[ 0.000000] [<ffffffff81f7df00>] hpet_enable+0x1e/0x20
[ 0.000000] [<ffffffff81f6ee7a>] hpet_time_init+0x9/0x19
[ 0.000000] [<ffffffff81f6ee4a>] x86_late_time_init+0x10/0x17
[ 0.000000] [<ffffffff81f63f71>] start_kernel+0x3d8/0x4aa
[ 0.000000] [<ffffffff81f63120>] ? early_idt_handler_array+0x120/0x120
[ 0.000000] [<ffffffff81f63339>] x86_64_start_reservations+0x2a/0x2c
[ 0.000000] [<ffffffff81f63485>] x86_64_start_kernel+0x14a/0x16d
[ 0.000000] Code: 01 00 00 00 41 5c 5d c3 55 48 8b 3d 63 f4 18 00 be 00 04
00 00 48 89 e5 41 56 41 55 41 54 53 e8 f7 f2 0e ff 48 89 05 d8 f4 18 00 <8b> 48
04 b8 e9 03 00 00 48 8b 15 c9 f4 18 00 8b 52 10 ff c2 75
[ 0.000000] RIP [<ffffffff81f7dc60>] hpet_enable.part.13+0x23/0x2a5
[ 0.000000] RSP <ffffffff81e03ef0>
[ 0.000000] CR2: ffffc90000000004
[ 0.000000] ---[ end trace 404be15fe05aa681 ]---
[ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
[ 0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle
task!
--
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https://bugs.launchpad.net/bugs/1769053
Title:
Cannot start a guest with more than 1TB of RAM
Status in QEMU:
Incomplete
Status in qemu package in Ubuntu:
Incomplete
Bug description:
Attempting to start a KVM guest with more than 1TB of RAM fails.
It looks like we might need some extra patches:
https://lists.gnu.org/archive/html/qemu-discuss/2017-12/msg00005.html
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: qemu-system-x86 1:2.11+dfsg-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Fri May 4 16:21:14 2018
InstallationDate: Installed on 2017-04-05 (393 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
MachineType: Dell Inc. XPS 13 9360
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash transparent_hugepage=madvise
vt.handoff=1
SourcePackage: qemu
UpgradeStatus: Upgraded to bionic on 2018-04-30 (3 days ago)
dmi.bios.date: 02/26/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.6.2
dmi.board.name: 0PF86Y
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr2.6.2:bd02/26/2018:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn0PF86Y:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9360
dmi.sys.vendor: Dell Inc.
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- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, ChristianEhrhardt, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, ChristianEhrhardt, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Daniel Axtens, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Dr. David Alan Gilbert, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Dr. David Alan Gilbert, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Dan Streetman, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM,
Dan Streetman <=
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Dan Streetman, 2018/05/04
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, ChristianEhrhardt, 2018/05/07
- [Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, Daniel Berrange, 2018/05/08
[Qemu-devel] [Bug 1769053] Re: Cannot start a guest with more than 1TB of RAM, David Coronel, 2018/05/14