Date: Thu, 27 Feb 2014 19:39:14 +0900 (JST) From: Kohji Okuno <okuno.kohji@jp.panasonic.com> To: hps@bitfrost.no Cc: jmg@funkthat.com, freebsd-current@freebsd.org, okuno.kohji@jp.panasonic.com Subject: Re: kqueue for usb_dev Message-ID: <20140227.193914.1745107579233813450.okuno.kohji@jp.panasonic.com> In-Reply-To: <20140227.190128.1827840697797583715.okuno.kohji@jp.panasonic.com> References: <530EFEAD.2090502@bitfrost.no> <530F02CA.2030206@bitfrost.no> <20140227.190128.1827840697797583715.okuno.kohji@jp.panasonic.com>
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Hi HPS and John-Mark,
After I changed as the following, the kernel panic does not happen.
What do you think about this change?
+ knlist_clear(&f->selinfo.si_note, 0);
knlist_destroy(&f->selinfo.si_note);
Regards,
Kohji Okuno
> We should wait for empty of knlist before knlist_destroy().
> When I tried 262551, the kernel panic at KN_LIST_LOCK(kn) in
> kern_event.c.
>
> Regards,
> Kohji Okuno
>
>> On 02/27/14 10:00, Hans Petter Selasky wrote:
>>> Hi Kohji,
>>>
>>> Can you verify this commit:
>>>
>>> http://svnweb.freebsd.org/changeset/base/262550
>>>
>>> Please test using both read and write direction. For example you can use
>>> the ULPT driver or a /dev/usb/X.X.X node which supports both read and
>>> write.
>>>
>>> Thank you!
>>>
>>> --HPS
>>
>> And this commit too:
>> http://svnweb.freebsd.org/changeset/base/262551
>>
>> Thank you!
>>
>> --HPS
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