netdev - RE: system hang on start-up (mlx5?)

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Message-ID:
 <DM8PR12MB54001D6A1C81673284074B37AB709@DM8PR12MB5400.namprd12.prod.outlook.com>
Date: Sun, 7 May 2023 05:31:16 +0000
From: Eli Cohen <elic@...dia.com>
To: Chuck Lever III <chuck.lever@...cle.com>, Leon Romanovsky
	<leon@...nel.org>, "tglx@...utronix.de" <tglx@...utronix.de>
CC: Saeed Mahameed <saeedm@...dia.com>, linux-rdma
	<linux-rdma@...r.kernel.org>, "open list:NETWORKING [GENERAL]"
	<netdev@...r.kernel.org>
Subject: RE: system hang on start-up (mlx5?)

Hi Thomas,

Do you have insights what could cause this?

> -----Original Message-----
> From: Chuck Lever III <chuck.lever@...cle.com>
> Sent: Thursday, 4 May 2023 22:03
> To: Leon Romanovsky <leon@...nel.org>; Eli Cohen <elic@...dia.com>
> Cc: Saeed Mahameed <saeedm@...dia.com>; linux-rdma <linux-
> rdma@...r.kernel.org>; open list:NETWORKING [GENERAL]
> <netdev@...r.kernel.org>
> Subject: Re: system hang on start-up (mlx5?)
> 
> 
> 
> > On May 4, 2023, at 3:29 AM, Leon Romanovsky <leon@...nel.org> wrote:
> >
> > On Wed, May 03, 2023 at 02:02:33PM +0000, Chuck Lever III wrote:
> >>
> >>
> >>> On May 3, 2023, at 2:34 AM, Eli Cohen <elic@...dia.com> wrote:
> >>>
> >>> Hi Chuck,
> >>>
> >>> Just verifying, could you make sure your server and card firmware are up
> to date?
> >>
> >> Device firmware updated to 16.35.2000; no change.
> >>
> >> System firmware is dated September 2016. I'll see if I can get
> >> something more recent installed.
> >
> > We are trying to reproduce this issue internally.
> 
> More information. I captured the serial console during boot.
> Here are the last messages:
> 
> [    9.837087] mlx5_core 0000:02:00.0: firmware version: 16.35.2000
> [    9.843126] mlx5_core 0000:02:00.0: 126.016 Gb/s available PCIe
> bandwidth (8.0 GT/s PCIe x16 link)
> [   10.311515] mlx5_core 0000:02:00.0: Rate limit: 127 rates are supported,
> range: 0Mbps to 97656Mbps
> [   10.321948] mlx5_core 0000:02:00.0: E-Switch: Total vports 2, per vport:
> max uc(128) max mc(2048)
> [   10.344324] mlx5_core 0000:02:00.0: mlx5_pcie_event:301:(pid 88): PCIe
> slot advertised sufficient power (27W).
> [   10.354339] BUG: unable to handle page fault for address: ffffffff8ff0ade0
> [   10.361206] #PF: supervisor read access in kernel mode
> [   10.366335] #PF: error_code(0x0000) - not-present page
> [   10.371467] PGD 81ec39067 P4D 81ec39067 PUD 81ec3a063 PMD
> 114b07063 PTE 800ffff7e10f5062
> [   10.379544] Oops: 0000 [#1] PREEMPT SMP PTI
> [   10.383721] CPU: 0 PID: 117 Comm: kworker/0:6 Not tainted 6.3.0-13028-
> g7222f123c983 #1
> [   10.391625] Hardware name: Supermicro X10SRA-F/X10SRA-F, BIOS 2.0b
> 06/12/2017
> [   10.398750] Workqueue: events work_for_cpu_fn
> [   10.403108] RIP: 0010:__bitmap_or+0x10/0x26
> [   10.407286] Code: 85 c0 0f 95 c0 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90
> 90 90 90 90 90 90 90 89 c9 31 c0 48 83 c1 3f 48 c1 e9 06 39 c8 73 11 <4c>
> 8b 04 c6 4c 0b 04 c2 4c 89 04 c7 48 ff c0 eb eb c3 cc cc cc cc
> [   10.426024] RSP: 0000:ffffb45a0078f7b0 EFLAGS: 00010097
> [   10.431240] RAX: 0000000000000000 RBX: ffffffff8ff0adc0 RCX:
> 0000000000000004
> [   10.438365] RDX: ffff9156801967d0 RSI: ffffffff8ff0ade0 RDI:
> ffff9156801967b0
> [   10.445489] RBP: ffffb45a0078f7e8 R08: 0000000000000030 R09:
> 0000000000000000
> [   10.452613] R10: 0000000000000000 R11: 0000000000000000 R12:
> 00000000000000ec
> [   10.459737] R13: ffffffff8ff0ade0 R14: 0000000000000001 R15:
> 0000000000000020
> [   10.466862] FS:  0000000000000000(0000) GS:ffff9165bfc00000(0000)
> knlGS:0000000000000000
> [   10.474936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   10.480674] CR2: ffffffff8ff0ade0 CR3: 00000001011ae003 CR4:
> 00000000003706f0
> [   10.487800] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [   10.494922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [   10.502046] Call Trace:
> [   10.504493]  <TASK>
> [   10.506589]  ? matrix_alloc_area.constprop.0+0x43/0x9a
> [   10.511729]  ? prepare_namespace+0x84/0x174
> [   10.515914]  irq_matrix_reserve_managed+0x56/0x10c
> [   10.520699]  x86_vector_alloc_irqs+0x1d2/0x31e
> [   10.525146]  irq_domain_alloc_irqs_hierarchy+0x39/0x3f
> [   10.530284]  irq_domain_alloc_irqs_parent+0x1a/0x2a
> [   10.535155]  intel_irq_remapping_alloc+0x59/0x5e9
> [   10.539859]  ? kmem_cache_debug_flags+0x11/0x26
> [   10.544383]  ? __radix_tree_lookup+0x39/0xb9
> [   10.548649]  irq_domain_alloc_irqs_hierarchy+0x39/0x3f
> [   10.553779]  irq_domain_alloc_irqs_parent+0x1a/0x2a
> [   10.558650]  msi_domain_alloc+0x8c/0x120
> [ rqs_hierarchy+0x39/0x3f
> [   10.567697]  irq_domain_alloc_irqs_locked+0x11d/0x286
> [   10.572741]  __irq_domain_alloc_irqs+0x72/0x93
> [   10.577179]  __msi_domain_alloc_irqs+0x193/0x3f1
> [   10.581789]  ? __xa_alloc+0xcf/0xe2
> [   10.585273]  msi_domain_alloc_irq_at+0xa8/0xfe
> [   10.589711]  pci_msix_alloc_irq_at+0x47/0x5c
> [   10.593987]  mlx5_irq_alloc+0x99/0x319 [mlx5_core]
> [   10.598881]  ? xa_load+0x5e/0x68
> [   10.602112]  irq_pool_request_vector+0x60/0x7d [mlx5_core]
> [   10.607668]  mlx5_irq_request+0x26/0x98 [mlx5_core]
> [   10.612617]  mlx5_irqs_request_vectors+0x52/0x82 [mlx5_core]
> [   10.618345]  mlx5_eq_table_create+0x613/0x8d3 [mlx5_core]
> [   10.623806]  ? kmalloc_trace+0x46/0x57
> [   10.627549]  mlx5_load+0xb1/0x33e [mlx5_core]
> [   10.631971]  mlx5_init_one+0x497/0x514 [mlx5_core]
> [   10.636824]  probe_one+0x2fa/0x3f6 [mlx5_core]
> [   10.641330]  local_pci_probe+0x47/0x8b
> [   10.645073]  work_for_cpu_fn+0x1a/0x25
> [   10.648817]  process_one_work+0x1e0/0x2e0
> [   10.652822]  process_scheduled_works+0x2c/0x37
> [   10.657258]  worker_thread+0x1e2/0x25e
> [   10.661003]  ? __pfx_worker_thread+0x10/0x10
> [   10.665267]  kthread+0x10d/0x115
> [   10.668501]  ? __pfx_kthread+0x10/0x10
> [   10.672244]  ret_from_fork+0x2c/0x50
> [   10.675824]  </TASK>
> [   10.678007] Modules linked in: mlx5_core(+) ast drm_kms_helper
> crct10dif_pclmul crc32_pclmul drm_shmem_helper crc32c_intel drm
> ghash_clmulni_intel sha512_ssse3 igb dca i2c_algo_bit mlxfw pci_hyperv_intf
> pkcs8_key_parser
> [   10.697447] CR2: ffffffff8ff0ade0
> [   10.700758] ---[ end trace 0000000000000000 ]---
> [   10.707706] pstore: backend (erst) writing error (-28)
> [   10.712838] RIP: 0010:__bitmap_or+0x10/0x26
> [   10.717014] Code: 85 c0 0f 95 c0 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90
> 90 90 90 90 90 90 90 89 c9 31 c0 48 83 c1 3f 48 c1 e9 06 39 c8 73 11 <4c>
> 8b 04 c6 4c 0b 04 c2 4c 89 04 c7 48 ff c0 eb eb c3 cc cc cc cc
> [   10.735752] RSP: 0000:ffffb45a0078f7b0 EFLAGS: 00010097
> [   10.740969] RAX: 0000000000000000 RBX: ffffffff8ff0adc0 RCX:
> 0000000000000004
> [   10.748093] RDX: ffff9156801967d0 RSI: ffffffff8ff0ade0 RDI:
> ffff9156801967b0
> [   10.755218] RBP: ffffb45a0078f7e8 R08: 0000000000000030 R09:
> 0000000000000000
> [   10.762341] R10: 0000000000000000 R11: 0000000000000000 R12:
> 00000000000000ec
> [   10.769467] R13: ffffffff8ff0ade0 R14: 0000000000000001 R15:
> 0000000000000020
> [   10.776590] FS:  0000000000000000(0000) GS:ffff9165bfc00000(0000)
> knlGS:0000000000000000
> [   10.784666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   10.790405] CR2: ffffffff8ff0ade0 CR3: 00000001011ae003 CR4:
> 00000000003706f0
> [   10.797529] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [   10.804651] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> 0000000000000400
> [   10.811775] note: kworker/0:6[117] exited with irqs disabled
> [   10.817444] note: kworker/0:6[117] exited with preempt_count 1
> 
> HTH
> 
> --
> Chuck Lever
>