[Bug 166724] if_re(4): watchdog timeout
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Date: Fri, 13 May 2022 06:10:27 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166724
Kubilay Kocak <koobs@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags|mfc-stable11? |mfc-stable13?
Keywords| |needs-qa
--- Comment #100 from Kubilay Kocak <koobs@FreeBSD.org> ---
Summarizing bug 208205 ...
---------------------------------------
10.3-RELEASE-p5
---------------------------------------
re0@pci0:2:0:0: class=0x020000 card=0x81681849 chip=0x816810ec rev=0x11
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
bar [10] = type I/O Port, range 32, base rxd000, size 256, enabled
bar [18] = type Memory, range 64, base rx91204000, size 4096, enabled
bar [20] = type Prefetchable Memory, range 64, base rx91200000, size
16384, enabled
cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0
cap 05[50] = MSI supports 1 message, 64 bit
cap 10[70] = PCI-Express 2 endpoint IRQ 1 max data 128(128) RO link x1(x1)
speed 2.5(2.5) ASPM disabled(L0s/L1)
cap 11[b0] = MSI-X supports 4 messages, enabled
Table in map 0x20[0x0], PBA in map 0x20[0x800]
cap 03[d0] = VPD
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected
ecap 0002[140] = VC 1 max VC0
ecap 0003[160] = Serial 1 01000000684ce000
ecap 0018[170] = LTR 1
---------------------------------------
FreeBSD 11.0-ALPHA6 #0 r302331
---------------------------------------
re0@pci0:3:0:0: class=0x020000 card=0x85051043 chip=0x816810ec rev=0x09
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
bar [10] = type I/O Port, range 32, base rxe800, size 256, enabled
bar [18] = type Prefetchable Memory, range 64, base rxfdfff000, size
4096, enabled
bar [20] = type Prefetchable Memory, range 64, base rxfdff8000, size
16384, enabled
cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0
cap 05[50] = MSI supports 1 message, 64 bit
cap 10[70] = PCI-Express 2 endpoint MSI 1 max data 128(128) RO
link x1(x1) speed 2.5(2.5) ASPM disabled(L0s/L1)
cap 11[b0] = MSI-X supports 4 messages, enabled
Table in map 0x20[0x0], PBA in map 0x20[0x800]
cap 03[d0] = VPD
ecap 0001[100] = AER 1 0 fatal 0 non-fatal 1 corrected
ecap 0002[140] = VC 1 max VC0
ecap 0003[160] = Serial 1 0000000000000000
---------------------------------------
10.3-p5
---------------------------------------
re0@pci0:2:0:0: class=0x020000 card=0x78171462 chip=0x816810ec rev=0x0c
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
---------------------------------------
11-STABLE
---------------------------------------
re1@pci0:3:0:0: class=0x020000 card=0x230e1565 chip=0x816810ec rev=0x07
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
---------------------------------------
11.1-RELEASE (no longer reproducible after 11.2-RELEASE)
---------------------------------------
hardware1:
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0xe000-0xe0ff mem 0xf0004000-0xf0004fff,0xf0000000-0xf0003fff irq 17 at device
0.0 on pci2
re0: MSI count : 1
re0: MSI-X count : 4
re0: attempting to allocate 1 MSI-X vectors (4 supported)
re0: using IRQ 265 for MSI-X
re0: Using 1 MSI-X message
re0: turning off MSI enable bit.
re0: Chip rev. 0x2c800000
re0: MAC rev. 0x00100000
miibus0: <MII bus> on re0
re0: Using defaults for TSO: 65518/35/2048
re0: bpf attached
hardware2:
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0xe000-0xe0ff mem 0xf7c00000-0xf7c00fff,0xf0000000-0xf0003fff irq 16 at device
0.0 on pci1
re0: MSI count : 1
re0: MSI-X count : 4
re0: attempting to allocate 1 MSI-X vectors (4 supported)
re0: using IRQ 266 for MSI-X
re0: Using 1 MSI-X message
re0: Chip rev. 0x4c000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
re0: Using defaults for TSO: 65518/35/2048
re0: bpf attached
re0: Ethernet address: 44:8a:5b:d4:49:6d
re0: netmap queues/slots: TX 1/256, RX 1/256
random: harvesting attach, 8 bytes (4 bits) from re0
hardware1:
re0@pci0:2:0:0: class=0x020000 card=0x78161462 chip=0x816810ec rev=0x06
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
hardware2:
re0@pci0:2:0:0: class=0x020000 card=0x78231462 chip=0x816810ec rev=0x0c
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
---------------------------------------
12.0
---------------------------------------
Hardware Info:
re0@pci0:3:0:0: class=0x020000 card=0xe0001458 chip=0x816810ec rev=0x0c
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
re1@pci0:4:0:0: class=0x020000 card=0xe0001458 chip=0x816810ec rev=0x0c
hdr=0x00
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
Reported Workaround: bug 208205 comment 32 (commenting re_txeof in re_tick
function in if_re.c.)
---------------------------------------
13.0-STABLE #0 stable/13-n248872-2c7441c86ef
---------------------------------------
re1@pci0:5:0:0: class=0x020000 rev=0x15 hdr=0x00 vendor=0x10ec device=0x8168
subvendor=0x17aa subdevice=0x5094
vendor = 'Realtek Semiconductor Co., Ltd.'
device = 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller'
class = network
subclass = ethernet
bar [10] = type I/O Port, range 32, base rx2000, size 256, enabled
bar [18] = type Memory, range 64, base rxfd504000, size 4096, enabled
bar [20] = type Memory, range 64, base rxfd500000, size 16384, enabled
cap 01[40] = powerspec 3 supports D0 D1 D2 D3 current D0
cap 05[50] = MSI supports 1 message, 64 bit
cap 10[70] = PCI-Express 2 endpoint MSI 1 max data 128(128) RO
max read 4096
link x1(x1) speed 2.5(2.5) ASPM disabled(L0s/L1) ClockPM
disabled
cap 11[b0] = MSI-X supports 4 messages, enabled
Table in map 0x20[0x0], PBA in map 0x20[0x800]
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
ecap 0002[140] = VC 1 max VC0
ecap 0003[160] = Serial 1 01000000684ce000
ecap 0018[170] = LTR 1
ecap 001e[178] = L1 PM Substates 1
---------------------------------------
FreeBSD 12.2 pfSense (after 350Mbps) - realtek-re-kmod (1.96.04) fixes
---------------------------------------
re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
0xe000-0xe0ff mem 0xf0104000-0xf0104fff,0xf0100000-0xf0103fff irq 19 at device
0.0 on pci3
re0: Using 1 MSI-X message
re0: turning off MSI enable bit.
re0: ASPM disabled
re0: Chip rev. 0x2c800000
re0: MAC rev. 0x00100000Realtek
---------------------------------------
Workarounds
---------------------------------------
Reported workaround #1: bug 208205 comment 22
Reported Workaround #2: bug 208205 comment 33 (kern.ipc.nmbjumbop /
kern.ipc.nmbclusters)
- FreeBSD 11, not reproducible on 12
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Additional References
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*
https://forums.freebsd.org/threads/10-2-release-re0-watchdog-timeout.55306/#post-337045
* if_re modification code: https://github.com/megabytefisher/if_re-mod
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