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Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket wai
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error |
Date: |
Thu, 8 Jun 2017 09:53:57 -0700 |
On Wed, Jun 7, 2017 at 11:03 PM, Markus Armbruster <address@hidden> wrote:
> Alistair Francis <address@hidden> writes:
>
>> On Wed, Jun 7, 2017 at 12:19 AM, Markus Armbruster <address@hidden> wrote:
>>> Paolo Bonzini <address@hidden> writes:
>>>
>>>> On 06/06/2017 18:30, Alistair Francis wrote:
>>>>>>
>>>>>> This is somehow confusing. I don't think it is worth having another
>>>>>> qemu_log_stderr() function rather than using error_report() but this very
>>>>>> call might deserve a comment explaining this unusual use. What do you
>>>>>> think?
>>>>>
>>>>> The problem with stderr is that this isn't an error. Some uses of QEMU
>>>>> (inside Eclipse for example) flag everything printed on stderr as red
>>>>> which confuses users that they are seeing an error when they really
>>>>> aren't.
>>>>
>>>> But they are wrong.
>>>
>>> Concur. We also print warnings and informational messages to stderr.
>>>
>>> We should make errors easy to recognize. Fortunately, error_report()
>>> prints errors to stderr in a rigid format. Unfortunately, error
>>> messages bypassing error_report() still exist in places. We suck.
>>>
>>> The format is
>>>
>>> timestamp-if-enabled progname ':' location message
>>>
>>> timestamp-if-enabled is normally empty. With -msg timestamp=on, it's
>>> the current time in ISO 8601 format, followed by a space.
>>>
>>> progname is the program name (main()'s argv[0]).
>>>
>>> location is either empty, or a reference to the command line or a
>>> configuration file.
>>>
>>> See error_vreport() for details.
>>
>> Ok, but this isn't an error, it's more information. So it sounds like
>> we should still print to stderr but not print in the format described
>> above?
>
> Yes.
>
> I explained the error message format to show how to distinguish actual
> errors from other stuff.
Sorry, I should have been more clear. I meant we should not use the
error_report() function here. I don't think we have any
warning_report() function though, is that something worth having?
- [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/05
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Philippe Mathieu-Daudé, 2017/06/05
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Marc-André Lureau, 2017/06/06
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Philippe Mathieu-Daudé, 2017/06/06
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/06
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Paolo Bonzini, 2017/06/06
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/06
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Markus Armbruster, 2017/06/07
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/07
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Markus Armbruster, 2017/06/08
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error,
Alistair Francis <=
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Markus Armbruster, 2017/06/08
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/08
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Markus Armbruster, 2017/06/09
- Re: [Qemu-devel] [PATCH v1 1/1] char-socket: Don't report TCP socket waiting as an error, Alistair Francis, 2017/06/27