Date: Sun, 17 Jun 2012 15:14:29 +0300 From: Mikolaj Golub <trociny@freebsd.org> To: Palle Girgensohn <girgen@FreeBSD.org> Cc: bz@FreeBSD.org, freebsd-virtualization@FreeBSD.org Subject: Re: panic when epair is removed (VNET) Message-ID: <86y5nm2l0a.fsf@kopusha.home.net> In-Reply-To: <4FD2971B.9090405@FreeBSD.org> (Palle Girgensohn's message of "Sat, 09 Jun 2012 02:21:47 %2B0200") References: <4FD2971B.9090405@FreeBSD.org>
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On Sat, 09 Jun 2012 02:21:47 +0200 Palle Girgensohn wrote: PG> Hi, PG> This seems to be well known issue, system panics when an epair is removed. PG> Isn't there anything one can do about this? I'd love to use epair in my PG> jails setups, but the risk of killing the system makes them less PG> tasty... I tried a few patches on the net that claim to fix the problem, PG> but they don't. Any ideas what actually can be done to stop the kernel PG> from panicking? PG> Here's a reference: PG> http://lists.freebsd.org/pipermail/freebsd-virtualization/2011-January/000629.html The patch works for me on the current. I had to update it to cleanly apply to the recent current. Here is the updated version: http://people.freebsd.org/~trociny/if_epair.c.epair_clone_destroy.1.patch If it does not work for you, could you please provide more details: freebsd version/revision, scenario, backtrace, so I could try to reproduce. -- Mikolaj Golub
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