Public bug reported:
Environment: Xen PV guest (64bit)
The 4.11.0-10 kernel did still boot. But after upgrading to the
4.12.0-11 kernel the following panic is observed:
[ 1.262361] device-mapper: uevent: version 1.0.3
[ 1.262465] device-mapper: ioctl: 4.35.0-ioctl (2016-06-23) initialised:
dm-de...@redhat.com
[ 1.262581] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.262696] BUG: unable to handle kernel paging request at ffffc90040635060
[ 1.262719] IP: vlv2_plat_configure_clock+0x3b/0xa0
[ 1.262731] PGD ff805067
[ 1.262732] P4D ff805067
[ 1.262742] PUD fa93c067
[ 1.262752] PMD fa352067
[ 1.262761] PTE 0
[ 1.262771]
[ 1.262790] Oops: 0000 [#1] SMP
[ 1.262801] Modules linked in:
[ 1.262814] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.12.0-11-generic
#12-Ubuntu
[ 1.262825] task: ffff8800fa39aa80 task.stack: ffffc90040628000
[ 1.262833] RIP: e030:vlv2_plat_configure_clock+0x3b/0xa0
[ 1.262840] RSP: e02b:ffffc9004062bb58 EFLAGS: 00010246
[ 1.262847] RAX: 0000000000000000 RBX: ffffc90040635060 RCX: 0000000002523fff
[ 1.262855] RDX: ffff8800fa39aa80 RSI: 0000000000000002 RDI: ffffffff81ff7340
[ 1.262862] RBP: ffffc9004062bb68 R08: 0000000000000067 R09: 00000000fff13000
[ 1.262870] R10: 0000000000007ff0 R11: 00003ffffffff000 R12: 0000000000000002
[ 1.262877] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1.262890] FS: 0000000000000000(0000) GS:ffff8800fac80000(0000)
knlGS:0000000000000000
[ 1.262902] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.262908] CR2: ffffc90040635060 CR3: 0000000001e09000 CR4: 0000000000000660
[ 1.262917] Call Trace:
[ 1.262926] vlv2_plat_clk_probe+0x3f/0x70
[ 1.262936] platform_drv_probe+0x3b/0xa0
[ 1.262944] driver_probe_device+0x2ff/0x450
[ 1.262952] __device_attach_driver+0x83/0x100
[ 1.262959] ? __driver_attach+0xe0/0xe0
[ 1.262967] bus_for_each_drv+0x69/0xb0
[ 1.262974] __device_attach+0xdd/0x160
[ 1.262982] device_initial_probe+0x13/0x20
[ 1.262989] bus_probe_device+0x92/0xa0
[ 1.262997] device_add+0x451/0x690
[ 1.263003] platform_device_add+0x10d/0x270
[ 1.263012] ? set_debug_rodata+0x17/0x17
[ 1.263019] platform_device_register_full+0xfe/0x110
[ 1.263029] ? vlv2_plat_clk_init+0x19/0x19
[ 1.263036] vlv2_plat_clk_init+0x48/0x82
[ 1.263044] do_one_initcall+0x50/0x1a0
[ 1.263052] kernel_init_freeable+0x1bd/0x25f
[ 1.263060] ? rest_init+0x80/0x80
[ 1.263067] kernel_init+0xe/0x100
[ 1.263074] ret_from_fork+0x25/0x30
[ 1.263081] Code: 47 83 fe 02 41 89 f4 77 67 48 8b 05 00 1b d9 00 48 85 c0
74 48 c1 e7 02 48 63 ff 48 8d 1c 38 48 c7 c7 40 73 ff 81 e8 35 b5 16 00 <8b> 03
83 e0 fc 44 09 e0 89 03 48 c7 c7 40 73 ff 81 e8 5f af 16
[ 1.263138] RIP: vlv2_plat_configure_clock+0x3b/0xa0 RSP: ffffc9004062bb58
[ 1.263145] CR2: ffffc90040635060
[ 1.263157] ---[ end trace e3dd450c61676c8a ]---
[ 1.263177] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1711298
Title:
Artful: 4.12.0-11.12: Boot panic in
vlv2_plat_configure_clock+0x3b/0xa0
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