Date: Sun, 28 Jan 2018 22:11:42 -0500 From: Allan Jude <allanjude@freebsd.org> To: Warner Losh <imp@bsdimp.com> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Panic on shutdown @r328436: "Unholding 6 with cnt = -559038242" Message-ID: <8e4be036-688c-a7ce-d077-93b956b586f7@freebsd.org> In-Reply-To: <CANCZdfrHf5h36RvDN8W7V_5Wj-XxjjGP5ZTG-uT84hYSpScXUA@mail.gmail.com> References: <20180126122947.GA1287@albert.catwhisker.org> <CANCZdfqWs_1Ss_oJ0ik8r17uDRyUN8nk%2Bt9DS=zZ=j92Xz=qZA@mail.gmail.com> <20180126150710.GV1287@albert.catwhisker.org> <CAFZo-6zgQbhOk_=SVeEghnKCdidb8m9oq15LncYunqwCVWkd3w@mail.gmail.com> <CANCZdfqBadFix2yq_P8xsQXC0Xh=559prr2%2Br0t7XXhNkaBQig@mail.gmail.com> <2effa324-c428-6135-371b-acb00c803d29@freebsd.org> <CANCZdfrHf5h36RvDN8W7V_5Wj-XxjjGP5ZTG-uT84hYSpScXUA@mail.gmail.com>
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On 2018-01-28 21:29, Warner Losh wrote: > > I've been seeing this today while working on my laptop. > > 1) insert USB stick. > 2) mount UFS partition to /mnt > 3) copy a file off > 4) umount /mnt > 5) remove usb stick > 6) instant panic > > Oddly, it is the same negative number every time (-559038242), so it > isn't random/memory corruption. > > > > Is mount required? > > Warner > > No, I just plugged the USB stick in, and then removed it 10 seconds later, panic. I've also seen it in VirtualBox when removing a virtual CD (.iso) -- Allan Jude
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