Date: Wed, 06 Jul 2005 21:18:23 +0400 From: Roman Kurakin <rik@cronyx.ru> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-current@freebsd.org Subject: Re: BUS infrastructure problem Message-ID: <42CC125F.1050601@cronyx.ru> In-Reply-To: <20050705.164135.12222348.imp@bsdimp.com> References: <42C57523.4050302@cronyx.ru> <20050701.121826.56566740.imp@bsdimp.com> <42CAAFCB.2080207@cronyx.ru> <20050705.164135.12222348.imp@bsdimp.com>
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M. Warner Losh wrote:
>In message: <42CAAFCB.2080207@cronyx.ru>
> Roman Kurakin <rik@cronyx.ru> writes:
>: Hi,
>:
>: M. Warner Losh wrote:
>:
>: >In message: <42C57523.4050302@cronyx.ru>
>: > Roman Kurakin <rik@cronyx.ru> writes:
>: >: I observe the followin strange behaviour with current: with some very
>: >: high probability after indentify callback I didn't get a probe callback. I
>: >: didn't find yet anything that could tell me why I see this. All function
>: >: return me that all operations was successful.
>: >:
>: >: PS. This driver is cx(4) and I am currently try to debug it in async mode
>: >: (I get strange panics while its work if I didn't get into situation with
>: >: probe()).
>: >:
>: >: Any ideas?
>: >
>: >I'll be happy to help you with this.
>: >
>: >
>: The last place I get to is the call of DEVICE_PROBE macro.
>: But I do not see the call of my function.
>: There is other thing, it seems that probability highly increases
>: if the system reboots after panic and needs filesystem check.
>:
>: This is all information I have now. I use printf as a primary
>: debug technic so I need to think how to move farther.
>:
>: Ideas?
>
>That sounds really weird. Add a Debugger() call and see if you wind
>up in the debugger.
>
>
There is no need in debugger. The function called instead of my probe
function is
a kobj_error_method(). I guess this is desc->deflt, but why? Loader problem?
PS. I've used kdb_enter () & __asm ("int 3") both was unsuccessful.
rik
>Warner
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