Date: Mon, 2 Sep 2013 03:53:26 -0400 From: Zaphod Beeblebrox <zbeeble@gmail.com> To: =?ISO-8859-2?Q?Edward_Tomasz_Napiera=B3a?= <trasz@freebsd.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: gmirror crash writing to disk? Or is it su+j crash? Message-ID: <CACpH0MdQPGB-psLj-xyALtrid6P2ByXH9sZsDxuhT1owdtg4zw@mail.gmail.com> In-Reply-To: <A8B0CAB6-6646-4AA0-A03C-412C2438716D@freebsd.org> References: <CACpH0MdU5NMi=GvYbG5W-F-UkH=s89d8Docvz8_KS0%2BfqNH1cQ@mail.gmail.com> <370A25C8-7747-4B96-A506-EB92FD0F77CF@FreeBSD.org> <1377895898.1111.341.camel@revolution.hippie.lan> <CACpH0MeOG9v422AdpGpbos6mTLFu69PNXmP3ZFTV66Vc=H9Eew@mail.gmail.com> <CACpH0Mc%2Begqb7V9=bJ73VpzLvc5K0cTRN6fQZOkBwPD_TetRDg@mail.gmail.com> <A8B0CAB6-6646-4AA0-A03C-412C2438716D@freebsd.org>
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The first one (kern.geom.transient_map_retries) causes the system to wedge. The second one (default is 180, I doubled to 360) causes the system to crash but not dump. So... neither fixes the problem. On Sat, Aug 31, 2013 at 5:27 AM, Edward Tomasz Napiera=B3a <trasz@freebsd.org>wrote: > Wiadomo=B6=E6 napisana przez Zaphod Beeblebrox <zbeeble@gmail.com> w dniu= 31 > sie 2013, o godz. 00:49: > > Because someone said that there would be no logging of unerlying ATA > errors without verbose, I rebooted with verbose and tried the same make -= j4 > again... and here is the relatively similar core.txt.5 > > > > > https://uk.eicat.ca/owncloud/public.php?service=3Dfiles&t=3Dd99648ef5876b= 91c5957148445e60c87 > > > > Looking at it, gmirror is dropping the same error and the underlying > hardware is not causing the error... > > Let me quote Konstantin: > > > It is either an exhaustion of the transient map, or a deadlock. > > For the first, setting kern.geom.transient_map_retries to 0 could help. > > For the second, the count of the transient buffers must be increased, > > by kern.bio_transient_maxcnt loader tunable. > > Could you try both and tell which one of them fixed the problem? Thanks! > >
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