Re: [PATCH 0/2] printk: replace ringbuffer

[Steven Rostedt]

On Wed, 05 Feb 2020 16:48:32 +0100
John Ogness <john.ogness@xxxxxxxxxxxxx> wrote:

> The quick fixup:
> 
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index d0d24ee1d1f4..5ad67ff60cd9 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -883,6 +883,7 @@ static int devkmsg_open(struct inode *inode, struct file *file)
>  	user->record.text_buf_size = sizeof(user->text_buf);
>  	user->record.dict_buf = &user->dict_buf[0];
>  	user->record.dict_buf_size = sizeof(user->dict_buf);
> +	user->record.text_line_count = NULL;
>  
>  	logbuf_lock_irq();
>  	user->seq = prb_first_seq(prb);

FYI, I used your patch set to test out Konstantin's new get-lore-mbox
script, and then applied them. It locked up on boot up as well, and
applying this appears to fix it.

-- Steve