Date: Wed, 08 Apr 2015 14:00:34 -0600 From: Ian Lepore <ian@freebsd.org> To: Mateusz Guzik <mjguzik@gmail.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Chagin Dmitry <dchagin@freebsd.org> Subject: Re: svn commit: r281113 - head/sys/vm Message-ID: <1428523234.82583.205.camel@freebsd.org> In-Reply-To: <20150408195518.GA6086@dft-labs.eu> References: <201504051825.t35IPO7t078390@svn.freebsd.org> <20150405183947.GA24293@dft-labs.eu> <20150405185419.GA46092@dchagin.static.corbina.net> <20150408195518.GA6086@dft-labs.eu>
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On Wed, 2015-04-08 at 21:55 +0200, Mateusz Guzik wrote: > On Sun, Apr 05, 2015 at 09:54:19PM +0300, Chagin Dmitry wrote: > > On Sun, Apr 05, 2015 at 08:39:47PM +0200, Mateusz Guzik wrote: > > > On Sun, Apr 05, 2015 at 06:25:24PM +0000, Dmitry Chagin wrote: > > > > Author: dchagin > > > > Date: Sun Apr 5 18:25:23 2015 > > > > New Revision: 281113 > > > > URL: https://svnweb.freebsd.org/changeset/base/281113 > > > > > > > > Log: > > > > Fix wrong kassert msg in uma. > > > > > > > > PR: 199172 > > > > Submitted by: luke.tw gmail com > > > > MFC after: 1 week > > > > > > > > Modified: > > > > head/sys/vm/uma_core.c > > > > > > > > Modified: head/sys/vm/uma_core.c > > > > ============================================================================== > > > > --- head/sys/vm/uma_core.c Sun Apr 5 17:09:58 2015 (r281112) > > > > +++ head/sys/vm/uma_core.c Sun Apr 5 18:25:23 2015 (r281113) > > > > @@ -3060,7 +3060,7 @@ uma_zone_set_fini(uma_zone_t zone, uma_f > > > > uma_keg_t keg; > > > > > > > > keg = zone_first_keg(zone); > > > > - KASSERT(keg != NULL, ("uma_zone_set_init: Invalid zone type")); > > > > + KASSERT(keg != NULL, ("uma_zone_set_fini: Invalid zone type")); > > > > KEG_LOCK(keg); > > > > KASSERT(keg->uk_pages == 0, > > > > ("uma_zone_set_fini on non-empty keg")); > > > > @@ -3100,7 +3100,7 @@ uma_zone_set_freef(uma_zone_t zone, uma_ > > > > uma_keg_t keg; > > > > > > > > keg = zone_first_keg(zone); > > > > - KASSERT(keg != NULL, ("uma_zone_set_init: Invalid zone type")); > > > > + KASSERT(keg != NULL, ("uma_zone_set_freef: Invalid zone type")); > > > > KEG_LOCK(keg); > > > > keg->uk_freef = freef; > > > > KEG_UNLOCK(keg); > > > > > > > > > > This seems to be a recurring problem (go figure). > > > > > > Was __func__ usage flamed over? > > > > > > I really think that linux's oops-like dump would be of great help here. > > > It includes file + line info along with register dump which alone can > > > give sufficient hints in several cases. > > > > > finally, kassert prints backtrace. also feel free to set > > debug.kassert.do_kdb. > > The point is to have initial user reports more useful. As it is, with > mere panic message there is not much to work with. > Have you had a problem simply grepping for the panic message string? I never have. I've used __func__ a few times to disambiguate a message where the same message string appears multiple times, but it's the rare case. -- Ian
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