Date: Thu, 13 Nov 2014 21:34:07 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu>, freebsd-current@freebsd.org Subject: Re: USB locks up system -- WAS Re: shutdown or acpi problem Message-ID: <546515BF.6030508@selasky.org> In-Reply-To: <20141113181515.GA19117@troutmask.apl.washington.edu> References: <20141112224212.GA14013@troutmask.apl.washington.edu> <20141113172533.GA18690@troutmask.apl.washington.edu> <20141113180332.GA18990@troutmask.apl.washington.edu> <20141113181515.GA19117@troutmask.apl.washington.edu>
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On 11/13/14 19:15, Steve Kargl wrote: > On Thu, Nov 13, 2014 at 10:03:32AM -0800, Steve Kargl wrote: >> On Thu, Nov 13, 2014 at 09:25:33AM -0800, Steve Kargl wrote: >>> On Wed, Nov 12, 2014 at 02:42:13PM -0800, Steve Kargl wrote: >>>> I have a kernel/world from r274273 sources, which is exhibiting a new >>>> issue on my old laptop. Neither 'shutdown -p now' nor 'shutdown -r now' >>>> work. I get to the end of shutdown and see for example >>>> >>>> All buffers synced >>>> Uptime: 4h23m15s >>>> >>>> and then the laptop just sits there. It does not power off with >>>> the -p option nor does it reboot with the -r. Has anyone else >>>> seen this behavior? >>>> >>> >>> The problem appears to be related to a recent change in the >>> USB stack. If I have the following drive plugged into a >>> usb port, the above behavior is observed on shutdown. >>> > > Adding > > hw.usb.no_shutdown_wait: 1 > > to /boot/loader.conf appears to work around the 'shutdown -p now' > and 'shutdown -r now' issue. Unfortunately, the bricking of the > laptop is not affected by this sysctl. Once a device is plugged > into a usb, it must remain plugged in. > Hi, Is using this sysctl/tunable a suitable solution for you? --HPS
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