Date: Wed, 18 Feb 2004 15:41:09 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Jesse Guardiani <jesse@wingnet.net> Cc: freebsd-current@freebsd.org Subject: Re: 5.2.1-RC2 debug kernel PANIC "Memory modified after free" Message-ID: <20040218234109.GA77908@troutmask.apl.washington.edu> In-Reply-To: <200402181818.43959.jesse@wingnet.net> References: <c0vsqa$su0$1@sea.gmane.org> <20040218220443.GA76951@troutmask.apl.washington.edu> <200402181818.43959.jesse@wingnet.net>
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On Wed, Feb 18, 2004 at 06:18:43PM -0500, Jesse Guardiani wrote: > On Wednesday 18 February 2004 17:04, Steve Kargl wrote: > > On Wed, Feb 18, 2004 at 09:28:26AM -0500, Jesse Guardiani wrote: > > > mtrash_ctor(c3b41a00,200,0,579,c3b41a00) at mtrash_ctor+0x4d > > > uma_zalloc_arg(c103bcc0,0,2,e38a39a8,c0547970) at uma_zalloc_arg+0x1cb > > > malloc(188,c0711be0,2,1,c06dcb5e) at malloc+0xd3 > > > elf32_load_file(c3a678d4,c3ab6000,e38a3a9c,e38a3bc8,1000) at > > > elf32_load_file+0x5 1 > > > exec_elf32_imgact(e38a3b8c,0,c06db142,fe,c0740eb8) at > > > exec_elf32_imgact+0x45d kern_execve(c3a65140,81078e0,8107938,8107948,0) > > > at kern_execve+0x38c execve(c3a65140,e38a3d14,c06f68f1,3ee,3) at > > > execve+0x30 > > > syscall(2f,2f,2f,81078e0,8107938) at syscall+0x2c0 > > > Xint0x80_syscall() at Xint0x80_syscall+0x1d > > > --- syscall (59, FreeBSD ELF32, execve), eip = 0x807c22f, esp = > > > 0xbfbfe62c, ebp = 0xbfbfe648 --- > > > db> > > > > This is a known panic. You can try disabling ACPI by adding > > hin.acpi.0.disbled="1" to /boot/loader.conf > > hint.acpi.0.disabled=1 was already set when the above panic took place. I can > get you the top half of the dmesg if you're interested. I don't need it. I believe you. > > or setting it in > > the loader. The other workaround was proposed by Maxim. You > > need to change line 570 in dev/ata/ata-all.c from > > request->retries = -1; > > to > > request->retries = 3; > > Since I'm not using ACPI, are you sure about that? > Works for me. Although SOren committed a revision to ata-all.c yesterday, which I haven't hade time to test. http://lists.freebsd.org/pipermail/freebsd-current/2004-February/020580.html http://lists.freebsd.org/pipermail/freebsd-current/2004-February/021323.html http://lists.freebsd.org/pipermail/freebsd-current/2004-February/021500.html -- Steve
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