Shinjuku initialization function 'init_hw' getting stuck

[xudongliao]

Hello,

I am currently experiencing an issue while attempting to run Shinjuku. Specifically, it is getting stuck when running the initialization function init_hw located here:

shinjuku/dp/core/init.c

Line 362 in 46a2348

ret = pthread_create(&tid, NULL, start_cpu, (void *)(unsigned long) i);

I am running Shinjuku on Ubuntu 18.04 with a 4.4.100 kernel.

Upon investigation, I noticed that the thread was not able to be created. The kernel threw a bug, indicating that it was unable to perform a context switch on CPU#0. After investigating the issue, I noticed that the thread was not able to be created. The kernel threw an error indicating that it was unable to perform a context switch on CPU#0. I suspect that this may be the reason why the newly created thread is unable to start. The kernel log is:

[ 1671.326255] vmx: created VCPU (VPID 1)
[ 1696.537625] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [shinjuku:18976]
[ 1696.540220] Modules linked in: dune(OE) uio_pci_generic uio vfio_pci vfio_iommu_type1 vfio_virqfd vfio cuse rdma_ucm(OE) ib_ipoib(OE) ib_umad(OE) x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass lpc_ich sm750fb(C) ioatdma input_leds 8250_fintek serio_raw sb_edac dca mei_me mei edac_core shpchp mac_hid binfmt_misc squashfs sch_fq_codel ib_iser(OE) rdma_cm(OE) iw_cm(OE) ib_cm(OE) configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi knem(OE) sunrpc ip_tables x_tables autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear mlx5_ib(OE) ib_uverbs(OE) ib_core(OE) hid_generic usbhid hid crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
[ 1696.540265]  cryptd psmouse isci mpt3sas ahci mlx5_core(OE) tg3 libsas libahci mlxfw(OE) auxiliary(OE) raid_class mlx_compat(OE) ptp scsi_transport_sas pps_core wmi fjes [last unloaded: dune]
[ 1696.540276] CPU: 0 PID: 18976 Comm: shinjuku Tainted: G         C OEL  4.4.100 #2
[ 1696.540278] Hardware name: xxxxx Technologies Co., Ltd. RH1288 V2-4L/BC11SRSH1, BIOS RMIBV396 10/29/2014
[ 1696.540280] task: ffff880824fda940 ti: ffff8808220f8000 task.ti: ffff8808220f8000
[ 1696.540281] RIP: 0010:[<ffffffffc07d4d66>]  [<ffffffffc07d4d66>] vmx_launch+0x17f6/0x1c80 [dune]
[ 1696.540289] RSP: 0018:ffff8808220fbd38  EFLAGS: 00000086
[ 1696.540290] RAX: ffff8808220fbd38 RBX: 0000000000000001 RCX: 000000000000b3a0
[ 1696.540291] RDX: ffffffff8183b3a0 RSI: ffffffff00000000 RDI: 00007f41afff3000
[ 1696.540292] RBP: ffff8808220fbdc0 R08: 00000000ffffffff R09: 0000000000000000
[ 1696.540293] R10: 00007f41afff2000 R11: 0000000000000007 R12: ffff880032eec400
[ 1696.540294] R13: 0000000080000000 R14: ffff8808220fc000 R15: 00000000fffffff7
[ 1696.540296] FS:  00007f61cadce000(0000) GS:ffff88085e000000(0000) knlGS:0000000000000000
[ 1696.540297] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 1696.540298] CR2: 00007f41b07f2da0 CR3: 0000000852b0e000 CR4: 00000000001426f0
[ 1696.540299] Stack:
[ 1696.540300]  00007f61c8d72a80 ffff880824fda940 ffff8808220fbdd0 ffff8808220fbdd0
[ 1696.540302]  ffff8808220fbd64 0000000200000000 ffffffffffffff57 ffffffff00000000
[ 1696.540304]  0000000000000000 0000000179a9b800 ffff88083c672a40 082460bf65c8856b
[ 1696.540306] Call Trace:
[ 1696.540310]  [<ffffffffc07d2347>] dune_dev_ioctl+0x77/0x1c0 [dune]
[ 1696.540314]  [<ffffffff81227485>] do_vfs_ioctl+0x315/0x500
[ 1696.540318]  [<ffffffff8121503e>] ? ____fput+0xe/0x10
[ 1696.540321]  [<ffffffff810a0750>] ? task_work_run+0x80/0xa0
[ 1696.540323]  [<ffffffff812276df>] SyS_ioctl+0x6f/0x90
[ 1696.540327]  [<ffffffff8183a6b2>] entry_SYSCALL_64_fastpath+0x16/0x71
[ 1696.540328] Code: 0f b7 09 48 c1 e2 10 48 c1 e6 20 48 09 f2 48 09 ca 3d f2 00 00 00 0f 84 fb 02 00 00 48 89 e0 48 83 e4 f0 6a 18 50 9c 6a 10 ff d2 <e9> f2 f5 ff ff 85 c0 0f 89 d6 f5 ff ff cd 02 e9 cf f5 ff ff 41

Do you have any ideas on how to resolve this issue? Any assistance would be greatly appreciated. Thank you in advance.