[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-25 Thread Felix Ruess
** Attachment removed: "kernel panic with 4port I210 card with firmware=1.63" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632807/+files/nuvo_7166GC_i210_kernel_panic.txt -- You received this bug notification because you are a member of Kernel Pack

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-25 Thread Felix Ruess
So the kernel panic only seems to happen with some firmware versions for these network cards: * I210 firmware=3.16 * I350 firmware=1.63 I could not reproduce this with a 4port I210 card with firmware=3.20. Nevertheless this is a regression in the kernel. -- You received this bug notification b

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-25 Thread Felix Ruess
** Attachment added: "kernel panic with 4port I350 card with firmware=1.63" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632808/+files/nuvo_7166GC_i350_kernel_panic.txt -- You received this bug notification because you are a member of Kernel Packag

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-25 Thread Felix Ruess
** Attachment added: "kernel panic with 4port I210 card with firmware=3.16" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632809/+files/nuvo_7166GC_i210_kernel_panic.txt -- You received this bug notification because you are a member of Kernel Packag

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-25 Thread Felix Ruess
** Attachment added: "kernel panic with 4port I210 card with firmware=1.63" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632807/+files/nuvo_7166GC_i210_kernel_panic.txt -- You received this bug notification because you are a member of Kernel Packag

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
** Description changed: With a high MTU (9000) set on the interface, sending packets containing over ~3000 zero bytes to a network card using the igb driver results in broken packets or in the worst case for some packet sizes even leads to kernel panics or full freeze. So far I observ

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
** Description changed: With a high MTU (9000) set on the interface, sending packets containing over ~3000 zero bytes to a network card using the igb driver results in broken packets or in the worst case for some packet sizes even leads to kernel panics or full freeze. So far I observ

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
** Description changed: With a high MTU (9000) set on the interface, sending packets containing over ~3000 zero bytes to a network card using the igb driver results in broken packets or in the worst case for some packet sizes even leads to kernel panics or full freeze. So far I observ

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
here a dmesg output before the system freezes ** Attachment added: "kernel_bug.txt" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632652/+files/kernel_bug.txt -- You received this bug notification because you are a member of Kernel Packages, which

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
** Attachment added: "lspci-vvnn.log" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.15/+bug/1997764/+attachment/5632632/+files/lspci-vvnn.log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-signed-hwe-5.15 in Ubunt

[Kernel-packages] [Bug 1997764] Re: igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
On a tainted kernel (proprietary nvidia driver installed) I got this in the kernel log earlier: Sep 15 10:44:13 rc-cube-78d0042d744c kernel: [ 1070.196527] [ cut here ] Sep 15 10:44:13 rc-cube-78d0042d744c kernel: [ 1070.196533] kernel BUG at include/linux/skbuff.h:2338!

[Kernel-packages] [Bug 1997764] [NEW] igb driver crashes kernel when receiving jumbo frame UDP packets with all zeros

2022-11-24 Thread Felix Ruess
Public bug reported: With a high MTU (9000) set on the interface, sending packets containing over ~3000 zero bytes to a network card using the igb driver results in broken packets or in the worst case for some packet sizes even leads to kernel panics or full freeze. So far I observed this for Int