Vivek, ping.
Bao would like you to review the patch, any objections or comments?
On 02/25/15 at 03:48pm, Baoquan He wrote:
On 01/26/15 at 05:41pm, Dave Young wrote:
> In case one want to use usb serial console, we need to pack the usb serial
> driver into kdump initramfs so that one can see the console output on the usb
> console.
>
> I only handled ttyUSB0, this is like a hard code, but it should be enough for
> most cases. Also only install the driver for the ttyUSB0 device.
>
> Tested with adding "console=ttyUSB0" in 2nd kernel commandline.
> Tested latest F22 kernel, there's CONFIG_USB_SERIAL_CONSOLE=y, kdump work ok.
>
> Signed-off-by: Dave Young <dyoung(a)redhat.com>
> ---
> dracut-module-setup.sh | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> --- kexec-tools.orig/dracut-module-setup.sh
> +++ kexec-tools/dracut-module-setup.sh
> @@ -626,4 +626,12 @@ installkernel() {
> [ "$wdt" = "iTCO_wdt" ] && instmods lpc_ich
> instmods $wdt
> fi
Hi Vivek,
I remember you raised this issue. Could you ack this patch if it's OK to
you? Then I can merge it.
Thanks
Baoquan
> +
> + if [ -c /dev/ttyUSB0 ]; then
> + _majmin=$(get_maj_min /dev/ttyUSB0)
> +
> + _driver=$(readlink /sys/dev/char/$_majmin/device/driver)
> + _driver=$(basename $_driver)
> + instmods $_driver
> + fi
> }
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