Date: Fri, 7 Oct 2011 14:32:40 +0800 From: Adrian Chadd <adrian@freebsd.org> To: Garrett Cooper <yanegomi@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org>, Hans Petter Selasky <hselasky@freebsd.org> Subject: Re: USB storage corruption/panic when doing file IO and unplugging (another, non-storage) device Message-ID: <CAJ-Vmom1Mq7sRmGSftiEsvjGFAYHMSNcF7LtchLq33TiWhnRkg@mail.gmail.com> In-Reply-To: <CAGH67wTtLqVyKRynOHDF4yD7%2B6J38%2Bk507BUeTjsvrG6HuaAGw@mail.gmail.com> References: <CAJ-Vmo=0_X1-jZ%2BqNXT-BjCUrF%2B6KQMXmJXRphpT0tZ20hKEDA@mail.gmail.com> <CAGH67wTtLqVyKRynOHDF4yD7%2B6J38%2Bk507BUeTjsvrG6HuaAGw@mail.gmail.com>
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On 7 October 2011 13:55, Garrett Cooper <yanegomi@gmail.com> wrote: >> Has anyone seen this before? >> >> This is _not_ plug/unplug the active storage device, or another >> storage device. This is when doing IO on a storage device (whether the >> root device or a media device) whilst plug/unplug a non-storage USB >> device (wifi chipsets w/ no driver.) > > =A0 =A0Yeah. Ran into it earlier on in the 9.x cycle with twa unplugging > a USB keyboard when I was rebooting a machine; the panic was fixed in > twa, not ukbd. I suppose my question is: does this only happen with > USB, or is firewire affected, and why aren't the devices being > properly masked against interrupts [in the same queue??] [by > newbus???]? Let's wait for hps to get back to us. This seems like something he can replicate very quickly. Adrian
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