Bug 272653 - [aarch64] Huawei qingyun and kunpeng stop at SAS pci4: <mass storage, SAS> at device 0.0 (no driver attached).
Summary: [aarch64] Huawei qingyun and kunpeng stop at SAS pci4: <mass storage, SAS> at...
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: arm (show other bugs)
Version: 13.1-RELEASE
Hardware: Any Any
: --- Affects Only Me
Assignee: freebsd-arm (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-07-22 08:45 UTC by ykla
Modified: 2023-07-22 09:26 UTC (History)
1 user (show)

See Also:

Attachments
huawei kunpeng 920 boot freebsd failed (172.10 KB, image/jpeg)
2023-07-22 08:48 UTC, ykla 		no flags Details
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Description ykla 2023-07-22 08:45:07 UTC 
Huawei qingyun and kunpeng stop at SAS pci4: <mass storage, SAS> at device 0.0 (no driver attached).

-----------
SAS pci4: <mass storage, SAS> at device 0.0 (no driver attached).
---------


----------
Serial Attached SCSI controller: Huawei Technologies Co., Ltd. HiSilicon SAS 3.0 HBA (rev 21)
----------
qingyun w510 :
----------
pci
00:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:08.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:0a.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:0c.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:0d.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:0e.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
00:0f.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R5 430 OEM / R7 240/340 / Radeon 520 OEM] (rev 87)
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Oland/Hainan/Cape Verde/Pitcairn HDMI Audio [Radeon HD 7000 Series]
03:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
04:00.0 Network controller: Huawei Technologies Co., Ltd. Device 1103 (rev 02)
05:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02)
74:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20)
74:01.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20)
74:02.0 Serial Attached SCSI controller: Huawei Technologies Co., Ltd. HiSilicon SAS 3.0 HBA (rev 21)
74:03.0 SATA controller: Huawei Technologies Co., Ltd. HiSilicon AHCI HBA (rev 21)
74:04.0 Serial Attached SCSI controller: Huawei Technologies Co., Ltd. HiSilicon SAS 3.0 HBA (rev 21)
76:00.0 Network and computing encryption device: Huawei Technologies Co., Ltd. HiSilicon SEC Engine (rev 21)
78:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20)
78:01.0 RAID bus controller: Huawei Technologies Co., Ltd. HiSilicon RDE Engine (rev 21)
7a:00.0 USB controller: Huawei Technologies Co., Ltd. HiSilicon USB 1.1 Host Controller (rev 21
-------------
Comment 1 ykla 2023-07-22 08:48:34 UTC 
Created attachment 243538 [details]
huawei kunpeng 920 boot freebsd failed

huawei kunpeng 920 boot freebsd failed
Comment 2 John F. Carr 2023-07-22 08:59:24 UTC 
The window end address in the messages in the screenshot looks bad:

pcib13: failed to allocate initial prefetch window: 0x120000000-0x3e2219e53fffffff

The firmware may have provided a bad memory map, or the kernel may have misunderstood.

For comparison, here is a similar message from my working ARM server:

pcib13: failed to allocate initial I/O port window: 0x10000000-0x10000fff

I am running 13.2-STABLE.  13.1 is officially "end of life" at the end of this month.
Comment 3 ykla 2023-07-22 09:26:18 UTC 

-----------------
00:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 31
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 00001000-00001fff [size=4K]
	Memory behind bridge: e0c00000-e0dfffff [size=2M]
	Prefetchable memory behind bridge: 0000080000000000-000008000fffffff [size=256M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:08.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 32
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 00002000-00002fff [size=4K]
	Memory behind bridge: e0e00000-e0ffffff [size=2M]
	Prefetchable memory behind bridge: 0000080010000000-00000800101fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:0a.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 33
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	I/O behind bridge: 00003000-00003fff [size=4K]
	Memory behind bridge: e1000000-e11fffff [size=2M]
	Prefetchable memory behind bridge: 0000080010200000-00000800103fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:0c.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 34
	Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
	I/O behind bridge: 00004000-00004fff [size=4K]
	Memory behind bridge: e0000000-e0bfffff [size=12M]
	Prefetchable memory behind bridge: 0000080010400000-00000800105fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:0d.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 35
	Bus: primary=00, secondary=05, subordinate=05, sec-latency=0
	I/O behind bridge: 00005000-00005fff [size=4K]
	Memory behind bridge: e1200000-e13fffff [size=2M]
	Prefetchable memory behind bridge: 0000080010600000-00000800107fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:0e.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 36
	Bus: primary=00, secondary=06, subordinate=06, sec-latency=0
	I/O behind bridge: 00006000-00006fff [size=4K]
	Memory behind bridge: e1400000-e15fffff [size=2M]
	Prefetchable memory behind bridge: 0000080010800000-00000800109fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:0f.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCIe Root Port with Gen4 (rev 21) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 37
	Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
	I/O behind bridge: 00007000-00007fff [size=4K]
	Memory behind bridge: e1600000-e17fffff [size=2M]
	Prefetchable memory behind bridge: 0000080010a00000-0000080010bfffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity+ SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R5 430 OEM / R7 240/340 / Radeon 520 OEM] (rev 87) (prog-if 00 [VGA controller])
	Subsystem: Bitland(ShenZhen) Information Technology Co., Ltd. Radeon 520 OEM
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 282
	Region 0: Memory at 80000000000 (64-bit, prefetchable) [size=256M]
	Region 2: Memory at e0c00000 (64-bit, non-prefetchable) [size=256K]
	Region 4: I/O ports at 1000 [size=256]
	Expansion ROM at e0c40000 [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: radeon
	Kernel modules: radeon, amdgpu

01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Oland/Hainan/Cape Verde/Pitcairn HDMI Audio [Radeon HD 7000 Series]
	Subsystem: Bitland(ShenZhen) Information Technology Co., Ltd. Oland/Hainan/Cape Verde/Pitcairn HDMI Audio [Radeon HD 7000 Series]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin B routed to IRQ 281
	Region 0: Memory at e0c60000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

03:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 (prog-if 02 [NVM Express])
	Subsystem: Samsung Electronics Co Ltd SSD 970 EVO Plus 1TB
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 30
	NUMA node: 0
	Region 0: Memory at e1000000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: nvme
	Kernel modules: nvme

04:00.0 Network controller: Huawei Technologies Co., Ltd. Device 1103 (rev 02)
	Subsystem: Huawei Technologies Co., Ltd. Device 0000
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 255
	Region 0: Memory at e0000000 (64-bit, non-prefetchable) [disabled] [size=8M]
	Region 2: Memory at e0800000 (64-bit, non-prefetchable) [disabled] [size=16K]
	Capabilities: <access denied>

05:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02) (prog-if 30 [XHCI])
	Subsystem: Huawei Technologies Co., Ltd. uPD720202 USB 3.0 Host Controller
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 30
	Region 0: Memory at e1200000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

74:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20) (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=74, secondary=75, subordinate=75, sec-latency=0
	I/O behind bridge: 00000000-00000fff [size=4K]
	Memory behind bridge: fff00000-000fffff [disabled]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

74:01.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20) (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=74, secondary=76, subordinate=76, sec-latency=0
	I/O behind bridge: 00000000-00000fff [size=4K]
	Memory behind bridge: fff00000-000fffff [disabled]
	Prefetchable memory behind bridge: 0000000141000000-00000001417fffff [size=8M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

74:02.0 Serial Attached SCSI controller: Huawei Technologies Co., Ltd. HiSilicon SAS 3.0 HBA (rev 21)
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin ? routed to IRQ 208
	Region 5: Memory at a2000000 (32-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: hisi_sas_v3_hw
	Kernel modules: hisi_sas_v3_hw

74:03.0 SATA controller: Huawei Technologies Co., Ltd. HiSilicon AHCI HBA (rev 21) (prog-if 01 [AHCI 1.0])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx+
	Latency: 0
	Interrupt: pin A routed to IRQ 43
	Region 5: Memory at a2010000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

74:04.0 Serial Attached SCSI controller: Huawei Technologies Co., Ltd. HiSilicon SAS 3.0 HBA (rev 21)
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin ? routed to IRQ 240
	Region 5: Memory at a2008000 (32-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: hisi_sas_v3_hw
	Kernel modules: hisi_sas_v3_hw

76:00.0 Network and computing encryption device: Huawei Technologies Co., Ltd. HiSilicon SEC Engine (rev ff) (prog-if ff)
	!!! Unknown header type 7f
	Kernel modules: hisi_sec2

78:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20) (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=78, secondary=79, subordinate=79, sec-latency=0
	I/O behind bridge: 00000000-00000fff [size=4K]
	Memory behind bridge: fff00000-000fffff [disabled]
	Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff [disabled]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

78:01.0 RAID bus controller: Huawei Technologies Co., Ltd. HiSilicon RDE Engine (rev 21)
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Region 2: Memory at 208000000 (64-bit, prefetchable) [disabled] [size=4M]
	Capabilities: <access denied>

7a:00.0 USB controller: Huawei Technologies Co., Ltd. HiSilicon USB 1.1 Host Controller (rev 21) (prog-if 10 [OHCI])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 40
	Region 0: Memory at 20c100000 (64-bit, prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: ohci-pci

7a:01.0 USB controller: Huawei Technologies Co., Ltd. HiSilicon USB 2.0 2-port Host Controller (rev 21) (prog-if 20 [EHCI])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 39
	Region 0: Memory at 20c101000 (64-bit, prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

7a:02.0 USB controller: Huawei Technologies Co., Ltd. HiSilicon USB 3.0 Host Controller (rev 21) (prog-if 30 [XHCI])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 77
	Region 0: Memory at 20c000000 (64-bit, prefetchable) [size=1M]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

7b:00.0 System peripheral: Huawei Technologies Co., Ltd. HiSilicon Embedded DMA Engine (rev 21)
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Region 2: Memory at 148800000 (64-bit, prefetchable) [disabled] [size=16K]
	Capabilities: <access denied>

7c:00.0 PCI bridge: Huawei Technologies Co., Ltd. HiSilicon PCI-PCI Bridge (rev 20) (prog-if 00 [Normal decode])
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=7c, secondary=7d, subordinate=7d, sec-latency=0
	I/O behind bridge: 00000000-00000fff [size=4K]
	Memory behind bridge: fff00000-000fffff [disabled]
	Prefetchable memory behind bridge: 0000000120000000-00000001201fffff [size=2M]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

7d:00.0 Ethernet controller: Huawei Technologies Co., Ltd. HNS GE/10GE/25GE RDMA Network Controller (rev 21)
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: Memory at 120100000 (64-bit, prefetchable) [size=64K]
	Region 2: Memory at 120000000 (64-bit, prefetchable) [size=1M]
	Capabilities: <access denied>
	Kernel driver in use: hns3
	Kernel modules: hns3, hclge, hns_roce_hw_v2

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