From owner-freebsd-arm@freebsd.org Wed Aug 19 01:50:18 2015 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2428F9BBB18 for ; Wed, 19 Aug 2015 01:50:18 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-ig0-x22d.google.com (mail-ig0-x22d.google.com [IPv6:2607:f8b0:4001:c05::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E5921A58; Wed, 19 Aug 2015 01:50:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by igbjg10 with SMTP id jg10so94603202igb.0; Tue, 18 Aug 2015 18:50:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=LJ9osipYYxf9XwsSjkn/KJC0GKEoGjpePy2YDS+eDxY=; b=0gYQH1ID7odk/f3VKuvDq8qzIpKucQH79opmW2+4TZtmIM0e10ZL0hSJTXPahpCf1G VRkweJAM6XyK57Xp3ekorh9XqWQOhA0UGf4hikbfVITjBbylbJUCAneaidoXVuqFgEHQ V1DucZ7ko+As2lNrYjf2Cb7pukuYuPhh7cbkQNh1AFnWUXWPmH3G1dyBrz5VO+Tkej/Q 7Soay+L0+1kl6DqvAUigNIZgpKK26USPNuGWuumuvKLOo5xlMBtWKf2+LkkLKgTSSqAk ykBBZOPbNH1qPq+gvawtWXhhlKP/74MbSg48nIcO6OAE4r4caDNM3zfjHahQIoQ1Lp17 OT1A== MIME-Version: 1.0 X-Received: by 10.50.128.169 with SMTP id np9mr26261667igb.37.1439949017125; Tue, 18 Aug 2015 18:50:17 -0700 (PDT) Received: by 10.36.38.133 with HTTP; Tue, 18 Aug 2015 18:50:17 -0700 (PDT) In-Reply-To: <20150819013834.GD79354@hades.panopticon> References: <20150819002103.GC79354@hades.panopticon> <1439944961.242.150.camel@freebsd.org> <20150819013834.GD79354@hades.panopticon> Date: Tue, 18 Aug 2015 18:50:17 -0700 Message-ID: Subject: Re: Instability likely related to new pmap on Cubieboard A10 From: Adrian Chadd To: Dmitry Marakasov Cc: Ian Lepore , "freebsd-arm@FreeBSD.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Aug 2015 01:50:18 -0000 Hi, can you try just before the jemalloc upgrade to -HEAD? -a On 18 August 2015 at 18:38, Dmitry Marakasov wrote: > * Ian Lepore (ian@freebsd.org) wrote: > >> > I've just tried latest HEAD on cubieboard A10, and discovered that >> > it's completely unstable. Kernel boots without problems, however >> > right after init is started many processes crash with sigsegv and >> > other errors, and it ends with either hang or a panic. Examples >> > below. With kernel built with `nooptions ARM_NEW_PMAP' these >> > problems go away. Feel free to ask for any additional info. >> > >> > --- >> > [...] >> > --- >> >> That is, frankly, just hard to accept as real. ARM_NEW_PMAP has been >> the default for like 8 months. If it was that broken, the first report >> of it would have come in much earlier than this. That seems more like >> some sort of broken or corrupted binary, and perhaps the problem went >> away not because the option changed, but because changing the option >> rebuilt whatever was corrupted. >> >> Actually, given that everything was fine until userland started, and >> "bad syscall" shows up a lot in the errors, a kernel/userland mismatch >> also seems like a good candidate. > > I've just rebuilt it again just to be sure, same thing - kernel with > ARM_NEW_PMAP misbehaves. I'd add: > - Both kernels were built with the same commands, from the same revision > and with the clean /usr/obj; only difference is presence of `nooptions > ARM_NEW_PMAP` > - Both kernels use the same world, built from the same revision. It was > not touched when changing kernels > > -- > Dmitry Marakasov . 55B5 0596 FF1E 8D84 5F56 9510 D35A 80DD F9D2 F77D > amdmi3@amdmi3.ru ..: jabber: amdmi3@jabber.ru http://amdmi3.ru > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"