Date: Wed, 17 Mar 2004 14:21:06 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: "Stephane E. Potvin" <sepotvin@videotron.ca> Cc: alpha@freebsd.org Subject: Re: Testers Needed!! Message-ID: <20040317132106.GA77350@freebie.xs4all.nl> In-Reply-To: <6866F53C-7811-11D8-B119-000A95AFA61E@videotron.ca> References: <200403121543.03123.jhb@FreeBSD.org> <200403151320.32852.jhb@FreeBSD.org> <20040315231809.GA39847@freebie.xs4all.nl> <783C9040-76EA-11D8-9B58-000A95AFA61E@videotron.ca> <6866F53C-7811-11D8-B119-000A95AFA61E@videotron.ca>
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On Wed, Mar 17, 2004 at 07:48:36AM -0500, Stephane E. Potvin wrote: > > On 15-Mar-04, at 8:37 PM, Stephane E. Potvin wrote: > > > > >On 15-Mar-04, at 6:18 PM, Wilko Bulte wrote: > > > >>On Mon, Mar 15, 2004 at 01:20:32PM -0500, John Baldwin wrote: > >>>On Friday 12 March 2004 06:07 pm, Wilko Bulte wrote: > >>>>On Fri, Mar 12, 2004 at 11:56:26PM +0100, Wilko Bulte wrote: > >>>>>On Fri, Mar 12, 2004 at 05:15:52PM -0500, John Baldwin wrote: > >>>>>>On Friday 12 March 2004 04:28 pm, Wilko Bulte wrote: > >>>>>>>On Fri, Mar 12, 2004 at 03:43:03PM -0500, John Baldwin wrote: > >>>>>>>>Ok, two patches that I need someone to test. First off, I have > >> > >>>>>>etc. work ok w/o generating a LOR warning (which means you have > >>>>>>to have > >>>>>>WITNESS on for this test). Thanks for testing these. > >>>>> > >>>>>I'm by no standard a gdb specialist but I played with it with a > >>>>>WITNESS > >>>>>equipped kernel and it did not complain about LOR. On a UP DS10 > >>>>>btw. > >>>>> > >>>>>Gonna try the other patch next. > >>>> > >>>>Hmm.. > >>>> > >>... > >> > >>>bah, you'll need to add a '<sys/sched.h>' include to interrupt.c. > >>>I'll fix it > >>>in my tree here and commit the ptrace patch. Thanks! > >> > >>I have the interrupt.c patch now in test. Currently the DS10 is doing > >>a > >>plain buildworld, I will move to make -j<big#> next. > >> > >>How long would the test need to run for a reliable indication of > >>Go/NoGo > >> > > > >Make sure that you have more than 4G swapspace. I had a -j 256 die on > >me after > >48 hours with 768Mb ram and 4G swap. I'll bump the swap to 8G and try > >again > >(crossing fingers). You'll also have to raise kern.ipc.maxpipekva to > >at least > >24Mb too. > > Replying to myself, > > I got the following backtrace 3 times while making a -j 256 buildworld. > I had these > with my earlier attempts but tought that they were somewhat related to > the > machine running out of swap. This time, I got them without the swap > issue. > I'll try again with the ithread preemtion patch removed just to make > sure that > it's not caused by it but I don't beleive that they are related. > > Stack backtrade: > db_print_backtrace() at 0xfffffc00004b5748 = db_print_backtrace+0x18 > backtrace() at 0xfffffc00003ad08c = backtrace+0x2c > getdirtybuf() at 0xfffffc0000477c7c = getdirtybuf+0x4c > flush_deplist() at 0xfffffc0000476a64 = flush_deplist+0x64 > flush_inodedep_deps() at 0xfffffc0000476970 = flush_inodedep_deps+0xa0 > softdep_sync_metadata() at 0xfffffc00004763e8 = > softdep_sync_metadata+0xa8 > ffs_fsync() at 0xfffffc000047bcd4 = ffs_fsync+0x434 > fsync() at 0xfffffc000041dbed = fsync+0x16c > syscall() at 0xfffffc00004c55bc = syscall+0x36c > XentSys() at 0xfffffc00004b6270 = XentSys+0x64 > --- syscall (95) --- > --- user mode --- I had one crash in the fs as well, running -j 128. But given that the system was still running a background fsck I am not sure what I was looking at. -- Wilko Bulte wilko@FreeBSD.org
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