Date: Mon, 03 Aug 2015 00:37:38 +0200 (CEST) From: Andreas Schwarz <freebsd.asc@strcmp.org> To: freebsd-arm@FreeBSD.org Subject: Re: DWC OTG TX path optimisation for 11-current Message-ID: <46b278ac779.27d121e6@mail.schwarzes.net> In-Reply-To: <55BB2A5F.9000502@selasky.org> References: <55A7D8CE.4020809@selasky.org> <CAHNYxxMp9jGDbV-5=-cE6daR-O3eN5pdvO1s-=QfX=A9XYqYmA@mail.gmail.com> <55B23276.8090703@selasky.org> <CAHNYxxNc9uB62hHEv1PM9PcsGgUs=zsvNgatqLD0p%2BiiDA3Aiw@mail.gmail.com> <55B73113.2020308@selasky.org> <CAFHCsPVaPZpqXLS7OApa=Xz5VLnLjVpV5dYV8Pn2uHh1Lcz7Tg@mail.gmail.com> <55B8AB76.7030603@selasky.org> <CAFHCsPUMaYEwJsaGUFuw9yZi_5bmraSBsOYpRWvSeuebpXBJUA@mail.gmail.com> <55B8B297.1010008@selasky.org> <CAFHCsPVGLs8j6LAV%2Bg4rP_ueTOd8pUOupYFGvmgC3XGcJC720Q@mail.gmail.com> <20150729154516.GH78154@funkthat.com> <55B8F5EC.2050908@selasky.org> <46ad096c958.1a82a175@mail.schwarzes.net> <55B9C3E2.5040501@selasky.org> <46ae815c7c3.447237c8@mail.schwarzes.net> <46aece00b53.3c1cdc1f@mail.schwarzes.net> <55BB2A5F.9000502@selasky.org>
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On 31.07.15, Hans Petter Selasky wrote: > On 07/31/15 05:52, Andreas Schwarz wrote: >> On 31.07.15, Andreas Schwarz wrote: >>> On 30.07.15, Hans Petter Selasky wrote: >>>> If this is easy to reproduce for you, can you try the SMSC patch I made? >>> >>> It's not so easy to reproduce, it will occur under high load (and disk IO) >>> situations, e.g.when building the world (-j4). But not in every case, >>> sometimes buildworld complete without a problem. >>> >>> If the system is in this state, it will react very very slow. System load >>> is high (without a causing process) and it will often hang (during shutdown) >>> when performing a reboot. >>> >>> I'll try your patch. >> >> This was fast. Patch (smsc.diff) did not help. I've applied the patch, compiled and >> installed the new kernel and started to build the kernel tool-chain. Just 10 minutes >> ago the problem occur again. > > Can you try this patch separately from the attached one? I'll do. It's also possible to give you access to the device (if this will help). -asc
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