[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2020-07-14 Thread Guilherme G. Piccoli
We couldn't reproduce the bug and reporter cannot help in providing data, so we're marking as invalid. If anybody ever reproduces that, please ping here and reopen. Thanks, Guilherme ** Changed in: linux (Ubuntu) Status: In Progress => Invalid ** Changed in: linux (Ubuntu Xenial)

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2019-07-24 Thread Brad Figg
** Tags added: cscc -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1794877 Title: Crash in ixgbe, during tx packet xmit (while potentially changing queues number) To manage notifications about

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-10-02 Thread Guilherme G. Piccoli
** Changed in: linux (Ubuntu Xenial) Status: New => Confirmed ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress ** Changed in: linux (Ubuntu Xenial) Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli) -- You received this bug notification because you are a

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-10-02 Thread Eric Desrochers
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1794877 Title: Crash in ixgbe, during tx packet xmit (while

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
I was reading assembly and comparing with the code to evaluate the accuracy of the registers during the dump, and also some points in which it could has failed. In the tx transmit function of ixgbe - ixgbe_xmit_frame(), we have the following: tx_ring = ring ? ring :

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
** Attachment added: "lspci_-nnvv.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794877/+attachment/5193804/+files/lspci_-nnvv.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1794877

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
A preliminary analysis of the problem, based in a crash dump collected. >From dmesg, we have [28663.018356] BUG: unable to handle kernel NULL pointer dereference at 0058 [28663.026266] IP: [] ixgbe_xmit_frame_ring+0x81/0xf50 [ixgbe] Using addr2line to validate the line in the

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
** Attachment added: "disassembly of relevant functions in crash" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794877/+attachment/5193816/+files/ixgbe_xmit_ring.asm -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
** Attachment added: "ethtool_-i_eth5.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1794877/+attachment/5193805/+files/ethtool_-i_eth5.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1794877] Re: Crash in ixgbe, during tx packet xmit (while potentially changing queues number)

2018-09-27 Thread Guilherme G. Piccoli
lspci -nn output for this adapter: 04:00.1 Ethernet controller [0200]: Intel Corporation 82599 10 Gigabit Dual Port Backplane Connection [8086:10f8] (rev 01) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz-