Date: Tue, 23 Jul 2013 23:02:36 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Jia-Shiun Li <jiashiun@gmail.com> Cc: Hans Petter Selasky <hps@bitfrost.no>, freebsd-current@freebsd.org Subject: Re: Panic at USB drive plugging in Message-ID: <51EEE15C.6020900@FreeBSD.org> In-Reply-To: <CAHNYxxNuhh3waaYWvX3iCo7zFQWWHpW3sh2rKMO%2BKppTgLzxjQ@mail.gmail.com> References: <CAHNYxxNwhAJChd0=DErbBguqjoPFgfYDFjv-CRzi1WNDdUvExw@mail.gmail.com> <51EEAA36.6030206@bitfrost.no> <51EEABA3.7060909@FreeBSD.org> <CAHNYxxNuhh3waaYWvX3iCo7zFQWWHpW3sh2rKMO%2BKppTgLzxjQ@mail.gmail.com>
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On 23.07.2013 21:28, Jia-Shiun Li wrote: > On Wed, Jul 24, 2013 at 12:13 AM, Alexander Motin <mav@freebsd.org> wrote: >> On 23.07.2013 19:07, Hans Petter Selasky wrote: >>> This looks like a CAM/SCSI problem and not directly USB stack problem. >> >> It seems crashed inside the CAM sg driver, that is not part of GENERIC >> kernel. Are you using it is some way? >> > > No. I do not use it at all. cam.k kernel module includes all existing periph drivers in one bundle. Loading cam.ko you are probably getting sg driver also, that triggers reported issue. You may try to rip out sg with single line hack to module's Makefile. The real fix require looking closer on sg, which I never used. -- Alexander Motin
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