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Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42

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  Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42 Rémy <remy@une-issue.com> - 2026-05-20 23:30 +0200
    Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42 Ben Hutchings <ben@decadent.org.uk> - 2026-05-21 18:40 +0200
    Processed: Re: Bug#1137203: bnx2: ifupdown-hotplug fails at boot,  no network, regression from 5.10.0-42 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-21 18:40 +0200
    Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42 Ben Hutchings <ben@decadent.org.uk> - 2026-05-24 17:50 +0200
    Processed: Re: Bug#1137203: bnx2: ifupdown-hotplug fails at boot,  no network, regression from 5.10.0-42 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-24 17:50 +0200

#92642 — Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42

Package: src:linux
Version: 5.10.251-5
Severity: important

Dear Maintainer,

Regression introduced in linux-image-5.10.0-43-amd64 (5.10.251-5).
Previous kernel linux-image-5.10.0-42-amd64 (5.10.251-4) works correctly.

Network card: Broadcom NetXtreme II BCM5716 (driver: bnx2)
Network config: /etc/network/interfaces with "allow-hotplug eno1" and "iface eno1 inet dhcp"

On boot with 5.10.0-43, ifupdown-hotplug fails with exit code 1 and
the interface eno1 gets no IP address, making the server completely
unreachable via network.

Relevant boot log (journalctl -b):
  kernel: bnx2 0000:02:00.0 eno1: renamed from eth0
  systemd-udevd[289]: eno1: Process 'ifupdown-hotplug' failed with exit code 1

Workaround: boot on 5.10.0-42-amd64 via GRUB_DEFAULT in /etc/default/grub.

Note: this bug is reported from kernel 5.10.0-42 since 5.10.0-43 makes
the server unreachable at boot.

-- Package-specific info:
** Kernel log: boot messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: PowerEdge R210 II
product_version: 
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: 2.10.0
board_vendor: Dell Inc.
board_name: 03X6X0
board_version: A02

** Network interface configuration:
*** /etc/network/interfaces:

source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback

allow-hotplug eno1
iface eno1 inet dhcp

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v2/Ivy Bridge DRAM Controller [8086:0158] (rev 09)
	Subsystem: Dell Xeon E3-1200 v2/Ivy Bridge DRAM Controller [1028:04dd]
	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
	IOMMU group: 0
	Capabilities: <access denied>
	Kernel driver in use: ie31200_edac
	Kernel modules: ie31200_edac

00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0151] (rev 09) (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: 64 bytes
	Interrupt: pin A routed to IRQ 25
	IOMMU group: 1
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 00002000-00002fff [size=4K]
	Memory behind bridge: c5100000-c51fffff [size=1M]
	Prefetchable memory behind bridge: [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

00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 04) (prog-if 20 [EHCI])
	Subsystem: Dell 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [1028:04dd]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	IOMMU group: 2
	Region 0: Memory at c5206000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b4) (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: 64 bytes
	Interrupt: pin A routed to IRQ 26
	IOMMU group: 3
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: [disabled]
	Memory behind bridge: c0000000-c3ffffff [size=64M]
	Prefetchable memory behind bridge: [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

00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 04) (prog-if 20 [EHCI])
	Subsystem: Dell 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [1028:04dd]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	IOMMU group: 4
	Region 0: Memory at c5205000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev a4) (prog-if 01 [Subtractive 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
	IOMMU group: 5
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=32
	I/O behind bridge: [disabled]
	Memory behind bridge: c4800000-c50fffff [size=9M]
	Prefetchable memory behind bridge: 00000000c4000000-00000000c47fffff [size=8M]
	Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA+ VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation C202 Chipset LPC Controller [8086:1c52] (rev 04)
	Subsystem: Dell C202 Chipset LPC Controller [1028:04dd]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	IOMMU group: 6
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller [8086:1c02] (rev 04) (prog-if 01 [AHCI 1.0])
	Subsystem: Dell 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller [1028:04dd]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 27
	IOMMU group: 6
	Region 0: I/O ports at 3048 [size=8]
	Region 1: I/O ports at 3054 [size=4]
	Region 2: I/O ports at 3040 [size=8]
	Region 3: I/O ports at 3050 [size=4]
	Region 4: I/O ports at 3020 [size=32]
	Region 5: Memory at c5204000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 04)
	Subsystem: Dell 6 Series/C200 Series Chipset Family SMBus Controller [1028:04dd]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 19
	IOMMU group: 6
	Region 0: Memory at c5202000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at 3000 [size=32]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801

01:00.0 Serial Attached SCSI controller [0107]: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] [1000:0072] (rev 03)
	Subsystem: Dell PERC H200 Adapter [1028:1f1d]
	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: 64 bytes
	Interrupt: pin A routed to IRQ 16
	IOMMU group: 1
	Region 0: I/O ports at 2000 [size=256]
	Region 1: Memory at c5140000 (64-bit, non-prefetchable) [size=64K]
	Region 3: Memory at c5100000 (64-bit, non-prefetchable) [size=256K]
	Expansion ROM at <ignored> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: mpt3sas
	Kernel modules: mpt3sas

02:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme II BCM5716 Gigabit Ethernet [14e4:163b] (rev 20)
	DeviceName: Embedded NIC 1
	Subsystem: Dell NetXtreme II BCM5716 Gigabit Ethernet [1028:04dd]
	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: 64 bytes
	Interrupt: pin A routed to IRQ 16
	IOMMU group: 7
	Region 0: Memory at c0000000 (64-bit, non-prefetchable) [size=32M]
	Capabilities: <access denied>
	Kernel driver in use: bnx2
	Kernel modules: bnx2

02:00.1 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme II BCM5716 Gigabit Ethernet [14e4:163b] (rev 20)
	DeviceName: Embedded NIC 2
	Subsystem: Dell NetXtreme II BCM5716 Gigabit Ethernet [1028:04dd]
	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: 64 bytes
	Interrupt: pin B routed to IRQ 17
	IOMMU group: 7
	Region 0: Memory at c2000000 (64-bit, non-prefetchable) [size=32M]
	Capabilities: <access denied>
	Kernel driver in use: bnx2
	Kernel modules: bnx2

03:03.0 VGA compatible controller [0300]: Matrox Electronics Systems Ltd. MGA G200eW WPCM450 [102b:0532] (rev 0a) (prog-if 00 [VGA controller])
	DeviceName: Embedded Video
	Subsystem: Dell MGA G200eW WPCM450 [1028:04dd]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0 (4000ns min, 8000ns max), Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 19
	IOMMU group: 5
	Region 0: Memory at c4000000 (32-bit, prefetchable) [size=8M]
	Region 1: Memory at c5000000 (32-bit, non-prefetchable) [size=16K]
	Region 2: Memory at c4800000 (32-bit, non-prefetchable) [size=8M]
	Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: mgag200
	Kernel modules: matroxfb_base, mgag200


** USB devices:
Bus 002 Device 003: ID 0424:2514 Microchip Technology, Inc. (formerly SMSC) USB 2.0 Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0624:0248 Avocent Corp. Virtual Hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 11.11
  APT prefers oldoldstable-security
  APT policy: (500, 'oldoldstable-security'), (500, 'oldoldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-42-amd64 (SMP w/4 CPU threads)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to fr_FR.UTF-8), LANGUAGE=fr_FR.UTF-8
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-5.10.0-43-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.140
ii  kmod                                    28-1
ii  linux-base                              4.6

Versions of packages linux-image-5.10.0-43-amd64 recommends:
ii  apparmor             2.13.6-10
ii  firmware-linux-free  20200122-1

Versions of packages linux-image-5.10.0-43-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.06-3~deb11u6
pn  linux-doc-5.10          <none>

Versions of packages linux-image-5.10.0-43-amd64 is related to:
pn  firmware-amd-graphics     <none>
pn  firmware-atheros          <none>
ii  firmware-bnx2             20210315-3
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
pn  firmware-iwlwifi          <none>
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
pn  firmware-misc-nonfree     <none>
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
pn  firmware-realtek          <none>
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information

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#92648

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On Wed, 2026-05-20 at 23:13 +0200, Rémy wrote:
> Package: src:linux
> Version: 5.10.251-5
> Severity: important
> 
> Dear Maintainer,
> 
> Regression introduced in linux-image-5.10.0-43-amd64 (5.10.251-5).
> Previous kernel linux-image-5.10.0-42-amd64 (5.10.251-4) works correctly.
> 
> Network card: Broadcom NetXtreme II BCM5716 (driver: bnx2)
> Network config: /etc/network/interfaces with "allow-hotplug eno1" and "iface eno1 inet dhcp"
> 
> On boot with 5.10.0-43, ifupdown-hotplug fails with exit code 1 and
> the interface eno1 gets no IP address, making the server completely
> unreachable via network.
> 
> Relevant boot log (journalctl -b):
>   kernel: bnx2 0000:02:00.0 eno1: renamed from eth0
>   systemd-udevd[289]: eno1: Process 'ifupdown-hotplug' failed with exit code 1
> 
> Workaround: boot on 5.10.0-42-amd64 via GRUB_DEFAULT in /etc/default/grub.
> 
> Note: this bug is reported from kernel 5.10.0-42 since 5.10.0-43 makes
> the server unreachable at boot.

As you can see in the changelog, there were no changes to this network
driver nor to any other networking code between these 2 versions.

So I think that this apparent regression is really just a bug that
occurs rarely and happened to occur when you booted the new version.

Did you try to boot the new version more than once?

Ben.

-- 
Ben Hutchings
Everything should be made as simple as possible, but not simpler.
                                                      - Albert Einstein

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#92649 — Processed: Re: Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42

Processing control commands:

> tag -1 moreinfo
Bug #1137203 [src:linux] bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42
Added tag(s) moreinfo.

-- 
1137203: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1137203
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#92743

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Control: tag -1 moreinfo

On Fri, 2026-05-22 at 18:09 +0200, Rémy - Une-Issue wrote:
> Le 21/05/2026 à 18:32, Ben Hutchings a écrit :
[...]
> > Did you try to boot the new version more than once?
> > 
> > Ben.
> Hello Ben,
> 
> Yes, I’ve tried several times with the linux-image-5.10.0-43-amd64 
> version, but the server doesn’t complete the boot process and displays 
> the errors mentioned.
> 
> It is then necessary to boot into rescue mode to restore the system and 
> instruct GRUB to boot into the linux-image-5.10.0-42-amd64 version.
> 
> I’m not saying it’s necessarily the kernel itself, but the only thing 
> I’ve found regarding the crashes is linked to these errors.

Please send the full boot log, because the 2 lines you originally quoted
don't explain anything to me.

Ben.

-- 
Ben Hutchings
Hoare's Law of Large Problems:
   Inside every large problem is a small problem struggling to get out.

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#92744 — Processed: Re: Bug#1137203: bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42

Processing control commands:

> tag -1 moreinfo
Bug #1137203 [src:linux] bnx2: ifupdown-hotplug fails at boot, no network, regression from 5.10.0-42
Added tag(s) moreinfo.

-- 
1137203: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1137203
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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