Date: Wed, 27 Jun 2012 22:22:37 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Alexander Motin <mav@freebsd.org> Cc: freebsd-usb@freebsd.org Subject: Re: [usb] Kingston 8Gb is not usable Message-ID: <201206272222.37668.hselasky@c2i.net> In-Reply-To: <4FEB4813.6030007@FreeBSD.org> References: <4FE9AB28.3070704@passap.ru> <201206271826.33128.hselasky@c2i.net> <4FEB4813.6030007@FreeBSD.org>
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On Wednesday 27 June 2012 19:51:15 Alexander Motin wrote: > On 06/27/12 19:26, Hans Petter Selasky wrote: > > On Wednesday 27 June 2012 18:15:24 Hans Petter Selasky wrote: > >> ERR=STALLED > > > > Retrying might not work, until sense is cleared, due to stalled error. > > > > MAV: Maybe that failed prevent-allow medium removal left a sense error > > that needs to be cleared. > > It should be cleared by fetching sense command. As I was assured by > several people, it is SIM (controller driver, umass) obligation to fetch > sense and respectively clear it when error detected. But not sure what > should umass do if this device STALLs. May be should try to do it also. > So far I haven't see any properly fetched sense from it in provided logs. umass has a reset mechanism for clearing the stall. But it will significantly make umass more complicated. --HPS
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