Date: Tue, 05 May 2009 13:35:27 +0100 From: Gavin Atkinson <gavin@FreeBSD.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-stable@FreeBSD.org, Guido Falsi <mad@madpilot.net>, jhb@FreeBSD.org Subject: Re: [PANIC] recent 7.2-STABLE when probing drm Message-ID: <1241526927.47323.5.camel@buffy.york.ac.uk> In-Reply-To: <20090505121247.GN1948@deviant.kiev.zoral.com.ua> References: <20090505110624.GA83487@megatron.madpilot.net> <1241521951.47323.3.camel@buffy.york.ac.uk> <20090505121247.GN1948@deviant.kiev.zoral.com.ua>
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On Tue, 2009-05-05 at 15:12 +0300, Kostik Belousov wrote: > On Tue, May 05, 2009 at 12:12:31PM +0100, Gavin Atkinson wrote: > > On Tue, 2009-05-05 at 13:06 +0200, Guido Falsi wrote: > > > Hi! > > > > > > I'm using FreeBSD/i386 stable on a HP DC7800 PC. > > > > > > It has an Intel Q35 graphic chip. > > > > > > After upgrading to a recent stable I experienced a pani on boot, just > > > after probing drm. > > > > > > I investigated a little and found out that reverting the file > > > > > > src/sys/dev/pci/pci.c > > > > > > to rev. 1.355.2.9 (SVN Rev 190092) solves the crash. > > > > > > I could not investigatte urther right away, but some regression was > > > introduced with this rev. > > > > > > Is any more information needed? > > > > When it panics, can you please type "bt" (assuming you have the debugger > > compiled in) and show the output? > > I have this too. I have dump too. > > drm0: <Intel i945GM> on vgapci0 > panic: resource_list_alloc: resource entry is busy > KDB: stack backtrace: > db_trace_self_wrapper(c07214ff,c2b46764,c04c928f,c071f823,c078b080,...) at 0xc044df46 = db_trace_self_wrapper+0x26 > kdb_backtrace(c071f823,c078b080,c07211b1,c2b46770,c2b46770,...) at 0xc04f41f9 = kdb_backtrace+0x29 > panic(c07211b1,3,10,c04e9484,c2e37000,...) at 0xc04c928f = panic+0xaf > resource_list_alloc(c2cffb04,c2d00a80,c2d00c80,3,c2d2a1fc,...) at 0xc04f0c06 = resource_list_alloc+0xd6 > pci_alloc_resource(c2d00a80,c2d00c80,3,c2d2a1fc,0,ffffffff,1,4) at 0xc045a2d1 = pci_alloc_resource+0x581 > bus_alloc_resource(c2d00c80,3,c2d2a1fc,0,ffffffff,...) at 0xc04f0a8c = bus_alloc_resource+0x7c > vga_pci_alloc_resource(c2d00c80,c2cfa080,3,c2d2a1fc,0,ffffffff,1,4) at 0xc04600ab = vga_pci_alloc_resource+0x3b [...] I wonder if r189373 also needs merging? Gavin
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