Date: Wed, 8 Feb 2017 18:30:03 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Jakub Lach <jakub_lach@mailplus.pl>, freebsd-usb@freebsd.org Subject: Re: I'm experiencing g_vfs_done() error = 5 with more than one USB/HDD storage device on 11-STABLE when heavy writing. Message-ID: <b113468b-5de3-6efa-37e4-22d3a77b888a@selasky.org> In-Reply-To: <1486574307023-6166271.post@n6.nabble.com> References: <1486574307023-6166271.post@n6.nabble.com>
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On 02/08/17 18:18, Jakub Lach wrote: > As of now, I'm rebuilding system with a GENERIC kernel, what > should I do to provide as much as possible useful debug? > > I think the problem only manifested itself after I've switched to > much faster internal SSD, that would explain why some mitigate > it by throttling USB speed. > Hi, Some suggestions: 1) UMASS has a set of debug knobs under hw.usb.umass.debug 2) Stress test a fresh disk, which you don't have any data on with /usr/src/tools/tools/usbtest to ensure it is 100% compatible with FreeBSD. 3) usbdump can be used to capture the USB traffic and identify failing commands. --HPS
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