Date: Tue, 23 Jul 2013 18:07:18 +0200 From: Hans Petter Selasky <hps@bitfrost.no> To: Jia-Shiun Li <jiashiun@gmail.com> Cc: Alexander Motin <mav@FreeBSD.org>, freebsd-current@freebsd.org Subject: Re: Panic at USB drive plugging in Message-ID: <51EEAA36.6030206@bitfrost.no> In-Reply-To: <CAHNYxxNwhAJChd0=DErbBguqjoPFgfYDFjv-CRzi1WNDdUvExw@mail.gmail.com> References: <CAHNYxxNwhAJChd0=DErbBguqjoPFgfYDFjv-CRzi1WNDdUvExw@mail.gmail.com>
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On 07/23/13 17:12, Jia-Shiun Li wrote: > Hi all, > > as personal preference I compiled kernel with drivers as module as > possible. Recently I found that plugging in USB drives causes kernel > to panic. But it does not happen when booting with GENERIC kernel > which has USB drivers compiled in. > > panic screenshot: > http://goo.gl/pIIDaF > > back trace: > http://goo.gl/ww4yy6 > > the kernel is compiled: > FreeBSD 4cbsd 10.0-CURRENT FreeBSD 10.0-CURRENT #1 r253395: Fri Jul 19 > 15:20:08 CST 2013 jsli@4cbsd:/usr/obj/usr/src/sys/Minimal amd64 > > the back trace looks like devd and something had timing issues. Any ideas? > Hi, This looks like a CAM/SCSI problem and not directly USB stack problem. --HPS
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