Date: Fri, 01 Nov 2013 11:53:43 -0600 From: Ian Lepore <ian@FreeBSD.org> To: Jia-Shiun Li <jiashiun@gmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@FreeBSD.org>, Howard Su <howard0su@gmail.com> Subject: Re: sshd crash Message-ID: <1383328423.31172.92.camel@revolution.hippie.lan> In-Reply-To: <CAHNYxxMMF_GJv10drYuQFO%2Bav%2BTdp8OBvJfFZObEZ=tgaBovSA@mail.gmail.com> References: <CAAvnz_rj43Ww6=mMfnp2u5TA2pWb20vWOqyAtuK08wgzy0dH6A@mail.gmail.com> <1383313834.31172.65.camel@revolution.hippie.lan> <CAHNYxxMMF_GJv10drYuQFO%2Bav%2BTdp8OBvJfFZObEZ=tgaBovSA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, 2013-11-02 at 01:44 +0800, Jia-Shiun Li wrote: > On Fri, Nov 1, 2013 at 9:50 PM, Ian Lepore <ian@freebsd.org> wrote: > > > > Several people investigated this (pretty extensively) and didn't come up > > with a solution, or even a good suspect. We haven't forgotten it by any > > means, but I don't think anyone is knocking themselves out on it right > > now either. > > > > A fresh look may be exactly what's needed, so feel free to dig into it. > > > > I'll summarize what I remember... It happens on armv4 and armv6. It > > happens when kernel and world are built with clang or gcc. It happens > > with eabi and oabi. > > > > What I can't remember is whether anyone has bisected things down to a > > changeset or timeframe when the problem showed up. > > > > may I add: putty causes this to happen. mine 0.62. But ssh from another > FreeBSD host has no problem. > > I suspect it to be some issues related to memory or malloc issues > specific to bbb. 'tmux a -d' without existing detached sessions > causes tmux client to core dump. But sshd and it are both fine on rpi. > > -Jia-Shiun. This is the first I've heard of being able to ssh to an arm platform that doesn't have PrivSep disabled, since about July or so. I've never heard a report yet that anything on the client side could make a difference. It's definitely not a beaglebone thing, it happens on every arm board I've got... dreamplug, rpi, bbw, imx53, wandboard. -- Ian
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1383328423.31172.92.camel>