From c40895075b442de21dcbf30262c55943f52f81b2 Mon Sep 17 00:00:00 2001 From: Julia Hansbrough Date: Wed, 28 Feb 2018 16:37:00 -0800 Subject: [docs] Add Linux network troubleshooting guidance. It took me a bit to figure out this kernel configuration quirk, so thought it may be helpful to add to the troubleshooting section! --- docs/linux/troubleshooting.md | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'docs/linux') diff --git a/docs/linux/troubleshooting.md b/docs/linux/troubleshooting.md index d805adc3b..7f172304f 100644 --- a/docs/linux/troubleshooting.md +++ b/docs/linux/troubleshooting.md @@ -19,6 +19,15 @@ Here are some things to check if there are problems running syzkaller. ssh -i $SSHKEY -p 23505 root@localhost ``` + - If you *are* having SSH difficulties, make sure your kernel configuration + has networking enabled. Sometimes defconfig errs minimalistic and omits the + following necessary options: + ```shell + CONFIG_VIRTIO_NET=y + CONFIG_E1000=y + CONFIG_E1000E=y + ``` + - Check that the `CONFIG_KCOV` option is available inside the VM: - `ls /sys/kernel/debug # Check debugfs mounted` - `ls /sys/kernel/debug/kcov # Check kcov enabled` -- cgit mrf-deployment