linux-kernel - Re: [PATCH 3/4] ipmi: Improve error messages on failed irq enable

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Message-ID: <5195A836.3010002@mvista.com>
Date:	Thu, 16 May 2013 22:47:02 -0500
From:	Corey Minyard <cminyard@...sta.com>
To:	Andy Lutomirski <luto@...capital.net>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	OpenIPMI Developers <openipmi-developer@...ts.sourceforge.net>
Subject: Re: [PATCH 3/4] ipmi: Improve error messages on failed irq enable

On 05/16/2013 05:23 PM, Andy Lutomirski wrote:
>
>                  /* We got the flags from the SMI, now handle them. */
>                  smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
> -               if (msg[2] != 0)
> -                       dev_warn(smi_info->dev, "Could not enable interrupts"
> -                                ", failed set, using polled mode.\n");
> -               else
> +               if (msg[2] != 0) {
> +                       dev_warn(smi_info->dev,
> +                                "Couldn't set irq info: %x.\n", msg[2]);
> +                       dev_warn(smi_info->dev,
> +                                "Maybe ok, but ipmi might run very slowly.\n");
> +               } else
> Minor nit: it would be nice if these warnings were collapsed into a
> single printk -- that would save me a whitelist entry of acceptable
> KERN_WARNING messages :)

Yeah, the trouble is that checkpatch will give a warning if you split a 
string
between two lines or if a line is longer than 80 characters.  I'm not 
creative
enough to fit it into a single line.  Maybe I'm trying to be too literal 
here,
but I split it into two prints to avoid the warning.

>
> My Dell 12g server says:
>
> [97627.407724] ipmi_si ipmi_si.0: Using irq 10
> [97627.421369] ipmi_si ipmi_si.0: Couldn't set irq info: cc.
> [97627.427389] ipmi_si ipmi_si.0: Maybe ok, but ipmi might run very slowly.
>
> Tested-by: Andy Lutomirski <luto@...capital.net>

Thanks a bunch.

-corey

> --Andy

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