Date: Mon, 01 Aug 2005 10:09:23 -0500 From: Eric Anderson <anderson@centtech.com> To: Peter Grehan <grehan@freebsd.org> Cc: current@freebsd.org, fs@freebsd.org Subject: Re: Rockridge extension not enabled when / is cd9660, boot fails Message-ID: <42EE3B23.7090507@centtech.com> In-Reply-To: <42EE2D09.7010505@freebsd.org> References: <42EB7B3E.3030308@freebsd.org> <42ED67A5.8060102@freesbie.org> <42EDFA77.1080704@freesbie.org> <42EE2D09.7010505@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Peter Grehan wrote: >> calltrap() at calltrap+0x5 >> --- trap 0xc, eip = 0xc04fc828, esp = 0xc838bc84, ebp = 0xc838bca4 --- >> ata_pio_read(c1452578,800,129,c13e4200,c13f1c00) at ata_pio_read+0x78 >> ata_end_transaction(c1452578) at ata_end_transaction+0x8b8 >> ata_interrupt(c12ef600) at ata_interrupt+0xdf >> ithread_loop(c12fa800,c838bd38,c12fa800,c065ad88,0) at ithread_loop+0x11c >> fork_exit(c065ad88,c12fa800,c838bd38) at fork_exit+0xa0 >> fork_trampoline() at fork_trampoline+0x8 >> --- trap 0x1, eip = 0, esp = 0xc838bd6c, ebp = 0 --- >> panic: vm_fault: fault on nofault entry, addr: c708f000 > > > I suspect this is a bug somewhere in qemu - the ATA driver is getting a > page fault in kernel mode while it is holding a lock, and the VM code > then gets a LOR as it tries to determine if the fault is expected or not. I believe a slightly older qemu worked fine (0.7.0 < 20050717 port). Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?42EE3B23.7090507>