Date: Fri, 8 Aug 2003 16:24:28 -0700 From: Marcel Moolenaar <marcel@xcllnt.net> To: John Baldwin <jhb@freebsd.org> Cc: alpha@freebsd.org Subject: Re: [PATCH] Switch Alpha to new cpu_switch/throw conventions Message-ID: <20030808232428.GA25847@athlon.pn.xcllnt.net> In-Reply-To: <XFMail.20030808171459.jhb@FreeBSD.org> References: <XFMail.20030808171459.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Aug 08, 2003 at 05:14:59PM -0400, John Baldwin wrote: > I have a completely untested (but should work :-P) patch to convert > Alpha over to the new cpu_throw/switch conventions of passing the > threads in as arguments to the function. The patch is at > http://www.FreeBSD.org/~jhb/patches/alpha_switch.patch I would > appreciate it if someone could test it. Success would be making > it to multiuser mode. Failure would probably be panic'ing very early > after starting init since failure means context switches are broken. Kaboom: : FreeBSD 5.1-CURRENT #19: Fri Aug 8 15:22:59 PDT 2003 marcel@alpha.pn.xcllnt.net:/nfs/freebsd/5.x/src/sys/alpha/compile/ALPHA Preloaded elf kernel "/boot/kernel/kernel" at 0xfffffc0000718000. Digital Personal Workstation (Miata) Digital Personal WorkStation 433au, 432MHz : Timecounter "i8254" frequency 1193182 Hz Timecounter "alpha" frequency 433203210 Hz Timecounters tick every 0.976 msec acd0: CDROM <TOSHIBA CD-ROM XM-5702B> at ata0-master PIO3 Waiting 3 seconds for SCSI devices to settle da0 at isp0 bus 0 target 0 lun 0 da0: <QUANTUM ATLAS IV 9 WLS 0B0B> Fixed Direct Access SCSI-3 device da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled da0: 8761MB (17942584 512 byte sectors: 255H 63S/T 1116C) Mounting root from ufs:/dev/da0a fatal kernel trap: trap entry = 0x2 (memory management fault) faulting va = 0x138 type = access violation cause = load instructon pc = 0xfffffc000057e6ec ra = 0xfffffc0000580174 sp = 0xfffffe0013f75be0 usp = 0x11fffc58 curthread = 0xfffffc0003c9abe0 pid = 37, comm = stty Stopped at pmap_deactivate+0xc: ldq t1,0x138(t0) <0x138> <t1=0x2> db> trace pmap_deactivate() at pmap_deactivate+0xc Lcs1() at Lcs1+0x20 --- root of call graph --- -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030808232428.GA25847>