Date: Fri, 31 Aug 2018 15:04:48 -0400 From: Mark Johnston <markj@freebsd.org> To: Samuel Chow <cyschow@shaw.ca> Cc: stable@freebsd.org Subject: Re: Cannot setup dumpdev on glabel disk Message-ID: <20180831190448.GB54904@raichu> In-Reply-To: <19f80f48-5fea-e105-18b2-1a64e06acc79@shaw.ca> References: <19f80f48-5fea-e105-18b2-1a64e06acc79@shaw.ca>
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On Fri, Aug 31, 2018 at 10:08:20AM -0600, Samuel Chow wrote: > I am running 11-STABLE, and I am experiencing kernel panics when I am > destroying a VIMAGE-based jail. Naturally, I flipped to the chapter > about 'Kernel Debugging' to learn about 'Obtaining a Kernel Crash Dump'. > > However, I am finding that my permanently glabel'ed disk partition > cannot be used as dumpdev. Is that true, and why not? I mean, swap can > use it just fine. I am unable to find this restriction in the documentation. I don't think that there is a real reason for this restriction; the glabel GEOM class simply doesn't implement the required support. Do you mind submitting a PR for this at https://bugs.freebsd.org/bugzilla/ ? I will try and get that fixed soon if no one else beats me to it. > # grep swap /etc/fstab > /dev/label/boot01b none swap sw 0 0 > # swapinfo > Device 1K-blocks Used Avail Capacity > /dev/label/boot01b 41943040 0 41943040 0% > # glabel status | grep boot > label/boot01 N/A ada4s1 > label/boot02 N/A ada5s1 > # dumpon /dev/label/boot01b > dumpon: ioctl(DIOCSKERNELDUMP): Operation not supported by device > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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