Date: Thu, 20 Jan 2005 12:29:27 -0700 From: Scott Long <scottl@freebsd.org> To: "Ketrien I. Saihr-Kenchedra" <ketrien@error404.nls.net> Cc: Bosko Milekic <bmilekic@freebsd.org> Subject: Re: Memory modified after free - Jan20 -CURRENT Message-ID: <41F00697.7010000@freebsd.org> In-Reply-To: <20050120140300.F1832@bahre.achedra.org>
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Ketrien I. Saihr-Kenchedra wrote: > Screen transcription attached. In a nutshell; > > fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0 > device_attach: fdc0 returned 6 > sio0: <16550A-compatible COM port> port0x3f8-0x3ff irq 4 flags 0x10 on > acpi0 > sio0: type 16550A > Memory modified after free 0xc1cde200(252) val=0 @ 0xc1cde228 > panic: Most recently used by none > > System was fine with Jan16 srcs, fdc returning 6 is new. Looks like a uma > problem to me, but odd enough that I'm honestly not sure. Need ips(4) for > dumpdev, so no dump again. (Argh.) > I'm seeing this quite often too. I'm hoping that Bosko will make his memguard changes available soon as I'm sure it could quickly be tracked down with them. Scotthome | help
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