diff options
Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh')
| -rwxr-xr-x | meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh b/meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh index 0030775..2e1ee67 100755 --- a/meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh +++ b/meta-facebook/meta-wedge/recipes-wedge/usb-console/files/usbmon.sh @@ -19,6 +19,15 @@ # modprobe g_cdc host_addr=02:00:00:00:00:02 dev_addr=02:00:00:00:00:01 +# For g-ether interface, if the remote side brings down the interface, BMC side +# still treats it as up. In this case, all packets through usb0 (i.e. NDP) will +# be queued in the kernel for this interface. Ether interface has the default +# TX queue length as 1000, which means there could be up to 1000 package queued +# in kernel for that. In our case, kmalloc-192 is exhausted when 298 packets +# are queued. +# To solve this issue, we change the TX queue length for usb0 to 64 to avoid +# memory exhaust. +ifconfig usb0 txqueuelen 64 while true; do getty /dev/ttyGS0 57600 sleep 1 |
