Date: Fri, 10 Aug 2012 09:31:52 -0400 From: John Baldwin <jhb@FreeBSD.org> To: Mike Tancsa <mike@sentex.net> Cc: Garrett Cooper <yanegomi@gmail.com>, current@freebsd.org Subject: Re: [PATCH] Add locking to twe(4) so it no longer uses Giant Message-ID: <50250D48.6020101@FreeBSD.org> In-Reply-To: <502425C0.5070303@sentex.net> References: <201208031418.57941.jhb@freebsd.org> <201208031726.03652.jhb@freebsd.org> <502121F5.4020705@sentex.net> <201208080727.45595.jhb@freebsd.org> <5022B252.30606@sentex.net> <5023AB9D.5070608@sentex.net> <5023B824.40405@FreeBSD.org> <5023C9A6.9070502@sentex.net> <5023F199.1090201@FreeBSD.org> <50240F5F.6000702@sentex.net> <502425C0.5070303@sentex.net>
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On 8/9/12 5:04 PM, Mike Tancsa wrote:
> Start up the tw_cli client
>
> 0{offsite2}# tw_cli
> //offsite2> show
>
> Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU
> ------------------------------------------------------------------------
> c0 9650SE-2LP 2 2 1 0 1 1 -
>
>
> //offsite2> exit
> 0{offsite2}# ls -l /dev/tw*
> crw------- 1 root operator - 0, 37 Aug 9 16:58 /dev/twa0
> crw-r----- 1 root operator - 0, 174 Aug 9 17:00 /dev/twed0
> 0{offsite2}#
>
>
> It then disappears ?!
Bizarre, it seems to disappear while tw_cli is running? I'm curious if
'rm -W /dev/twe0' brings it back?
If so, it might be interesting to see a ktrace of tw_cli.
--
John Baldwin
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