适用于：✔️ Linux VM
原始 KB 数： 4023409
总结
本文介绍在 Azure将运行 Ubuntu 16.04 LTS 的 N 系列 VM 升级到 Linux 内核的 4.4.0-75 版本后，GPU 功能被禁用的问题。 此外，在串行输出日志中记录错误。
现象
Azure 将运行 Ubuntu 16.04 LTS 的 N 系列 VM 升级到 Linux 内核的 4.4.0-75 版本后，将禁用 GPU 功能。 此外，串行输出日志中记录了以下错误：
[[0;32m OK [0m] Started Authenticate and Authorize Users to Run Privileged Tasks.
[[0;32m OK [0m] Started Accounts Service.
[[0;1;31mFAILED[0m] Failed to start xxxx xxx file share.
See 'systemctl status fathom-mount.service' for details.
Starting NVIDIA Persistence Daemon...
[[0;32m OK [0m] Started NVIDIA Persistence Daemon.
[[0;32m OK [0m] Started NVIDIA Persistence Daemon.
Stopping NVIDIA Persistence Daemon...
[[0;32m OK [0m] Stopped NVIDIA Persistence Daemon.
[ 32.811290] BUG: unable to handle kernel NULL pointer dereference at 0000000000000340
[ 32.812372] IP: [<ffffffffc0740f8f>] _nv011740rm+0x1f/0x170 [nvidia]
[ 32.812372] PGD e97efb067 PUD e99caf067 PMD 0
[ 32.993171] Oops: 0000 [#1] SMP
[ 32.993171] Modules linked in: nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) drm_kms_helper drm fb_sys_fops syscopyarea sysfillrect sysimgblt pci_hyperv input_leds joydev mac_hid i2c_piix4 serio_raw hv_balloon 8250_fintek ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear hid_generic hv_netvsc hid_hyperv hv_storvsc hv_utils scsi_transport_fc hid hyperv_keyboard hyperv_fb crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse pata_acpi hv_vmbus floppy fjes
[ 33.166988] CPU: 5 PID: 961 Comm: nvidia-smi Tainted: P OE 4.4.0-75-generic #96-Ubuntu
[ 33.166988] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090006 01/06/2017
[ 33.622272] task: ffff880e9cfe0e00 ti: ffff880e96574000 task.ti: ffff880e96574000
[ 33.622272] RIP: 0010:[<ffffffffc0740f8f>] [<ffffffffc0740f8f>] _nv011740rm+0x1f/0x170 [nvidia]
[ 33.622272] RSP: 0018:ffff880e965779d0 EFLAGS: 00010282
[ 33.622272] RAX: 0000000000000000 RBX: ffff880e9becc008 RCX: ffff880e9c052f44
[ 33.622272] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff880e9becc008
[ 33.622272] RBP: ffff880e9c052f40 R08: ffffffffc0e49c70 R09: ffff880e99c80008
[ 33.622272] R10: ffff880e99c80000 R11: ffffffffc0900730 R12: 0000000000000000
[ 33.622272] R13: ffff880e956c0008 R14: ffff880e954af008 R15: ffff880e94e92008
[ 33.622272] FS: 00007efcec002700(0000) GS:ffff880ea5740000(0000) knlGS:0000000000000000
[ 33.622272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.622272] CR2: 0000000000000340 CR3: 0000000e99bad000 CR4: 00000000001406e0
[ 33.622272] Stack:
[ 33.622272] ffff880e9becc008 ffff880e9becc008 ffff880e956c0008 ffffffffc07342f7
[ 33.622272] 0000000000000000 ffffffffc0734080 0000000000000000 ffff880e956c0008
[ 33.622272] ffff880e9becc008 0000000000000000 ffff880e954af008 ffffffffc0968f87
[ 33.622272] Call Trace:
[ 33.622272] [<ffffffffc07342f7>] ? _nv011899rm+0x5e7/0x680 [nvidia]
[ 33.622272] [<ffffffffc0734080>] ? _nv011899rm+0x370/0x680 [nvidia]
[ 33.622272] [<ffffffffc0968f87>] ? _nv012138rm+0x117/0x290 [nvidia]
[ 33.622272] [<ffffffffc0a0c877>] ? _nv017599rm+0x327/0x480 [nvidia]
[ 33.622272] [<ffffffffc0a0e04b>] ? _nv000800rm+0xeb/0x6e0 [nvidia]
[ 33.622272] [<ffffffffc0a02198>] ? rm_init_adapter+0x128/0x130 [nvidia]
[ 33.622272] [<ffffffff810ac515>] ? wake_up_process+0x15/0x20
[ 33.622272] [<ffffffffc045547d>] ? nv_open_device+0x12d/0x6d0 [nvidia]
[ 33.622272] [<ffffffffc0455cfd>] ? nvidia_open+0x14d/0x2f0 [nvidia]
[ 33.622272] [<ffffffffc0454328>] ? nvidia_frontend_open+0x58/0xa0 [nvidia]
[ 33.622272] [<ffffffff8121384f>] ? chrdev_open+0xbf/0x1b0
[ 33.622272] [<ffffffff8120c96f>] ? do_dentry_open+0x1ff/0x310
[ 33.622272] [<ffffffff81213790>] ? cdev_put+0x30/0x30
[ 33.622272] [<ffffffff8120db04>] ? vfs_open+0x54/0x80
[ 33.622272] [<ffffffff8121983b>] ? may_open+0x5b/0xf0
[ 33.622272] [<ffffffff8121d6b7>] ? path_openat+0x1b7/0x1330
[ 33.622272] [<ffffffff812360ff>] ? simple_xattr_get+0x2f/0xb0
[ 33.622272] [<ffffffff8121fa21>] ? do_filp_open+0x91/0x100
[ 33.622272] [<ffffffff8122d326>] ? __alloc_fd+0x46/0x190
[ 33.622272] [<ffffffff8120ded8>] ? do_sys_open+0x138/0x2a0
[ 33.622272] [<ffffffff8122fda4>] ? mntput+0x24/0x40
[ 33.622272] [<ffffffff81218cee>] ? path_put+0x1e/0x30
[ 33.622272] [<ffffffff8120e05e>] ? SyS_open+0x1e/0x20
[ 33.622272] [<ffffffff8183b972>] ? entry_SYSCALL_64_fastpath+0x16/0x71
[ 33.622272] Code: 90 90 90 90 90 90 90 90 90 90 90 90 41 55 ba 08 00 00 00 41 54 53 48 83 ed 08 4c 8b a7 08 1e 00 00 48 89 fb 48 8d 4d 04 4c 89 e6 <41> ff 94 24 40 03 00 00 85 c0 be 00 00 56 00 75 30 0f b6 45 04
[ 33.622272] RIP [<ffffffffc0740f8f>] _nv011740rm+0x1f/0x170 [nvidia]
[ 33.622272] RSP <ffff880e965779d0>
[ 33.622272] CR2: 0000000000000340
[ 37.191743] ---[ end trace 815c3088feb15df9 ]---
Starting NVIDIA Persistence Daemon...
[[0;32m OK [0m] Started NVIDIA Persistence Daemon.
Stopping NVIDIA Persistence Daemon...
解决方法
若要解决此问题，请将内核升级到至少内核版本 4.4.0-77。 Ubuntu 16.04 LTS 的市场映像与 4.4.0-77 内核一起发布并可用。
第三方信息免责声明
本文讨论的第三方产品由独立于Microsoft的公司制造。 Microsoft对这些产品的性能或可靠性不作任何默示或其他保证。