Date: Mon, 17 Mar 2008 13:31:40 +0100 From: Pieter de Goeje <pieter@degoeje.nl> To: freebsd-questions@freebsd.org Cc: Firas Kraiem <firas@itsuki.fkraiem.org>, "illoai@gmail.com" <illoai@gmail.com> Subject: Re: 7.0 crashes Message-ID: <200803171331.40894.pieter@degoeje.nl> In-Reply-To: <d7195cff0803161956l3fbd10fdq5d1dcd74b196fc09@mail.gmail.com> References: <200803161947.29608.firas@itsuki.fkraiem.org> <200803170108.44645.firas@itsuki.fkraiem.org> <d7195cff0803161956l3fbd10fdq5d1dcd74b196fc09@mail.gmail.com>
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On Monday 17 March 2008, illoai@gmail.com wrote: > On 16/03/2008, Firas Kraiem <firas@itsuki.fkraiem.org> wrote: > > On Sunday 16 March 2008 20:43:03 illoai@gmail.com wrote: > > > On 16/03/2008, Firas Kraiem <firas@itsuki.fkraiem.org> wrote: > > > > Greetings > > > > > > > > I have a 7.0 system (upgraded from 6.2 to 6.3 then to 7.0 using > > > > freebsd-update) and I've experienced a few system crashes (the > > > > system just hard-reboots on it's own) that seem to happen when it > > > > is under heavy network load (downloading at several > > > > megabytes/second). > > > > > > > > Nothing gets written in /var/log/messages when the crashes happen, > > > > and I'm a bit clueless about how to investigate the issue further, > > > > so ideas would be much appreciated. > > > > > > Lo, back in the days of fbsd4.1.1 (or thereabouts) a > > > similar problem had I: random crashes under network > > > load with no core files, no dumps, no errors. > > > > > > Try replacing your NIC. > > > > Thanks for your answer. > > > > The NIC in question is a Realtek 8139 and indeed, Google told me that a > > few people have been experiencing similar issues with it. However, that > > was with old (4.x/5.x) FreeBSD releases, so I'm wondering: is this > > particular NIC model still causing problems or is it the NIC breaking > > in some way? The reason I ask is that the machine is a dedicated server > > over which I have no hardware control, so asking the provider to > > replace the NIC with another model could be a bit bothersome. > > I couldn't possibly say in your case, but in mine it was > a 3com xl nic that had simply gone crackers. > > Any time I get weird, dumpless reboots I suspect hard- > ware. Or Thor. One time I had this kind of trouble and although memtest didn't find any problems with the memory, replacing it still solved the problem. Hardware problems are really difficult to diagnose. -- Pieter de Goeje
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