Date: Tue, 17 Mar 2009 05:22:52 -0700 From: Garrett Cooper <yanefbsd@gmail.com> To: Dan Allen <danallen46@airwired.net> Cc: alc@freebsd.org, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: GCC build causes panic: page already inserted Message-ID: <7d6fde3d0903170522l6c7d7df8w3bff02ba5eee560f@mail.gmail.com> In-Reply-To: <C52C353F-437B-4FFC-87A3-A25DDBF36505@airwired.net> References: <7381363A-9B55-4A3B-99BF-A05B2F879403@airwired.net> <ca3526250903161201w303977beg446c6623b49b2ce4@mail.gmail.com> <C52C353F-437B-4FFC-87A3-A25DDBF36505@airwired.net>
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On Mon, Mar 16, 2009 at 5:47 PM, Dan Allen <danallen46@airwired.net> wrote: > > On 16 Mar 2009, at 1:01 PM, Alan Cox wrote: > >> For now, can you just provide the stack trace? > > As I mentioned, I am unable to do so - I have no kernel.debug. > > However, I am trying to reproduce the bug again. =A0(It takes a while.) > =A0Although it has not yet crashed, I noticed another unusual behavior: > > Normally during my gcc builds the 1 GB of swap space is never touched. = =A0My > main 1 GB of RAM is sufficient and there is always at least 100 MB of fre= e > memory. > > Today I saw a STATE listed when running top that I have never seen, calle= d > "wdrain". =A0This happened when I saw my free memory plummet down to only= 20 > MB free (out of 1 GB). =A0This state appears to be set in > /usr/src/sys/kern/vfs_bio.c in a routine called waitrunningbufspace(). = =A0This > file also was modified March 1st. =A0I do not know if there is a connecti= on... > > The last time I built gcc-4.4 was probably just before this. =A0(I build = gcc > whenever there is a new version, within a couple of days of it being adde= d > to ports. =A0There was about two weeks with no new versions this first ha= lf of > March so it has been a couple of weeks...) > > I am tempted to go back to about Feb 28th kernel-wise and try the gcc bui= ld > again and see if it works or panics. > > Any suggestions as to how I can help narrow this down? - Which platform are you using: i386 or amd64? - Is there a particular file that it tries to compile when it runs out of memory? - What are your CFLAGS in make.conf? Thanks, -Garrett
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