我们在使用vpi 接口编程的时候，每次运行程序都会因为pva 错误导致kernel panic ，demo代码上传到附件，同时log如下：
utocity@autocity-Desktop:~$ uptime
14:18:53 up 3 min, 4 users, load average: 4.40, 2.35, 0.94
autocity@autocity-Desktop:~$
autocity@autocity-Desktop:~$
autocity@autocity-Desktop:~$
autocity@autocity-Desktop:~$ [ 3766.763680] falcon 154c0000.nvenc: Direct firmware load for nvhost_nvenc080.fw failed with error -2
[ 3766.763945] falcon 154c0000.nvenc: Falling back to sysfs fallback for: nvhost_nvenc080.fw
[ 3766.765907] falcon 154c0000.nvenc: looking for firmware in subdirectory
[ 6643.829716] main_vpi: page allocation failure: order:9, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
[ 6643.830248] pva 16000000.pva0: nvpva_queue_task_pool_alloc: failed to allocate task_pool->kmem_addr
[ 6643.830524] BUG: Bad page state in process main_vpi pfn:186400
[ 6643.830702] page:00000000d75c3f45 refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff68200 pfn:0x186400
[ 6643.830992] head:00000000d75c3f45 order:9 compound_mapcount:1 compound_pincount:0
[ 6643.831199] flags: 0x8000000000090014(uptodate|lru|head|swapbacked)
[ 6643.831373] raw: 8000000000090014 fffffff610f32648 fffffff610f32688 0000000000000000
[ 6643.831589] raw: 0000000ffff68200 0000000000000000 00000000ffffffff ffff7d8099f8f000
[ 6643.831795] page dumped because: page still charged to cgroup
[ 6643.831944] page->mem_cgroup:ffff7d8099f8f000
[ 6643.832836] Disabling lock debugging due to kernel taint
[ 6643.833392] BUG: Bad page state in process main_vpi pfn:186600
[ 6643.834267] page:00000000ae0a13a6 refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff6ec00 pfn:0x186600
[ 6643.837417] head:00000000ae0a13a6 order:9 compound_mapcount:1 compound_pincount:0
[ 6643.844999] flags: 0x8000000000090014(uptodate|lru|head|swapbacked)
[ 6643.851132] raw: 8000000000090014 fffffff5fe0e8008 fffffff5fdfa0008 0000000000000000
[ 6643.859050] raw: 0000000ffff6ec00 0000000000000000 00000000ffffffff ffff7d83bb83f000
[ 6643.866774] page dumped because: page still charged to cgroup
[ 6643.872459] page->mem_cgroup:ffff7d83bb83f000
[ 6643.890631] pva 16000000.pva0: nvpva_queue_task_pool_alloc: failed to allocate task_pool->kmem_addr
[ 6649.253253] BUG: Bad rss-counter state mm:000000005eedb3ed type:MM_ANONPAGES val:512
[ 6649.253496] BUG: Bad rss-counter state mm:000000005eedb3ed type:MM_SHMEMPAGES val:-512
[ 6649.253741] BUG: non-zero pgtables_bytes on freeing mm: 4096
[ 7427.483814] BUG: Bad rss-counter state mm:0000000075f60f3d type:MM_ANONPAGES val:512
[ 7427.484135] BUG: Bad rss-counter state mm:0000000075f60f3d type:MM_SHMEMPAGES val:-512
[ 7427.484416] BUG: non-zero pgtables_bytes on freeing mm: 4096
[70738.983850] Unsafe core_pattern used with fs.suid_dumpable=2.
[70738.983850] Pipe handler or fully qualified core dump path required.
[70738.983850] Set kernel.core_pattern before fs.suid_dumpable.
[71181.010571] warn_alloc: 1 callbacks suppressed
[71181.010576] main_vpi: page allocation failure: order:9, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
[71181.011249] pva 16000000.pva0: nvpva_queue_task_pool_alloc: failed to allocate task_pool->kmem_addr
[71181.011521] kernel BUG at mm/slub.c:4118!
[71181.011635] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[71181.011806] Modules linked in: input_leds(E) fuse(E) nvidia_modeset(OE) spidev(E) option(E) cdc_mbim(E) usb_wwan(E) cdc_wdm(E) usbserial(E) lzo_rle(E) lzo_compress(E) zram(E) overlay(E) ramoops(E) reed_solomon(E) nv_ox3cc(E) nv_ht_imx390(E) loop(E) can_raw(E) can(E) nvgpu(E) snd_soc_tegra186_asrc(E) aes_ce_blk(E) crypto_simd(E) snd_soc_tegra186_dspk(E) snd_soc_tegra210_ope(E) snd_soc_tegra210_mvc(E) snd_soc_tegra210_iqc(E) snd_soc_tegra186_arad(E) cryptd(E) snd_soc_tegra210_dmic(E) snd_soc_tegra210_afc(E) snd_soc_tegra210_adx(E) snd_soc_tegra210_amx(E) aes_ce_cipher(E) mcp25xxfd(E) snd_soc_tegra210_admaif(E) ghash_ce(E) snd_soc_tegra210_mixer(E) snd_soc_tegra210_i2s(E) snd_soc_tegra210_sfc(E) sha2_ce(E) 88x2cs(E) snd_soc_tegra_pcm(E) binfmt_misc(E) snd_soc_tegra210_adsp(E) sha256_arm64(E) snd_hda_codec_hdmi(E) ucsi_ccg(E) mttcan(E) sha1_ce(E) snd_soc_tegra_machine_driver(E) cfg80211(E) snd_hda_tegra(E) typec_ucsi(E) snd_soc_tegra_utils(E) pps_gpio(E) snd_soc_simple_card_utils(E) pwm_fan(E)
[71181.011868] snd_soc_spdif_tx(E) nvadsp(E) typec(E) snd_hda_codec(E) can_dev(E) nct1008(E) snd_soc_tegra210_ahub(E) ina3221(E) tegra_bpmp_thermal(E) snd_hda_core(E) snd_soc_rt5640(E) userspace_alert(E) max96712(E) tegra210_adma(E) snd_soc_rl6231(E) spi_tegra114(E) nvidia(OE) nvmap(E) ip_tables(E) x_tables(E) [last unloaded: mtd]
[71181.072207] CPU: 2 PID: 635388 Comm: main_vpi Tainted: G B W OE 5.10.104-tegra #17
[71181.080866] Hardware name: Unknown Jetson AGX Orin/Jetson AGX Orin, BIOS 3.1-32827747 03/19/2023
[71181.089793] pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=–)
[71181.095836] pc : kfree+0x3ec/0x470
[71181.099242] lr : kfree+0x24/0x470
[71181.102655] sp : ffff80003a47b960
[71181.106067] x29: ffff80003a47b960 x28: ffff7d7f07072000
[71181.111404] x27: ffff7d7f06d2c820 x26: ffffdb5c8e853b28
[71181.116916] x25: 0080000000000000 x24: ffffdb5c8e7f7000
[71181.122429] x23: ffffdb5c8cf8214c x22: ffff7d7f7b400000
[71181.127942] x21: ffff7d82f87be580 x20: 0000000000000000
[71181.133453] x19: fffffff5fdcd0000 x18: 0000000000000010
[71181.138879] x17: 0000000000000000 x16: ffffdb5c8c852d90
[71181.144391] x15: ffff7d82f87beaf0 x14: 745f65756575715f
[71181.149730] x13: 617670766e203a30 x12: 203a636f6c6c615f
[71181.155243] x11: 6c6f6f705f6b7361 x10: 61636f6c6c61206f
[71181.160667] x9 : 742064656c696166 x8 : 6176702e30303030
[71181.166179] x7 : 3030363120617670 x6 : c00000010000102b
[71181.171604] x5 : ffff7d8e2ea9c958 x4 : ffffdb5c8e507968
[71181.177029] x3 : 0000000000000001 x2 : ffffdb5c8c9e7460
[71181.182367] x1 : fffffff5fdc917c8 x0 : fffffff5fdc917c8
[71181.187704] Call trace:
[71181.190159] kfree+0x3ec/0x470
[71181.193308] nvpva_queue_alloc+0x40c/0x420
[71181.197330] pva_open+0x60/0x110
[71181.200570] chrdev_open+0xa8/0x1a0
[71181.204244] do_dentry_open+0x130/0x3a0
[71181.208005] vfs_open+0x38/0x50
[71181.210979] path_openat+0x848/0xdd0
[71181.214655] do_filp_open+0x84/0x110
[71181.218154] do_sys_openat2+0x1f4/0x2b0
[71181.221918] do_sys_open+0x7c/0xd0
[71181.225329] __arm64_sys_openat+0x2c/0x40
[71181.229357] el0_svc_common.constprop.0+0x7c/0x1c0
[71181.234166] do_el0_svc+0x34/0xa0
[71181.237406] el0_svc+0x1c/0x30
[71181.240556] el0_sync_handler+0xa8/0xb0
[71181.244316] el0_sync+0x16c/0x180
[71181.247555] Code: 17ffff7a f9400660 3707fba0 a90573fb (d4210000)
[71181.253688] —[ end trace 5005693122f63716 ]—
[71181.262727] Kernel panic - not syncing: Oops - BUG: Fatal exception
[71181.264357] SMP: stopping secondary CPUs
[71181.268124] Kernel Offset: 0x5b5c7c830000 from 0xffff800010000000
[71181.274154] PHYS_OFFSET: 0xffff828200000000
[71181.278356] CPU features: 0x0040006,4a80aa38
[71181.282732] Memory Limit: none
[71181.290361] —[ end Kernel panic - not syncing: Oops - BUG: Fatal exception ]—
[0000.061] I> MB1 (version: 0.32.0.1-t234-54845784-1cb23efd)
[0000.067] I> t234-A01-0-Silicon (0x12347) Prod
2023-10.zip (4.4 KB)