Date: Tue, 2 Apr 1996 15:24:26 -0600 From: Rich Murphey <rich@rich.isdn.bcm.tmc.edu> To: freebsd-scsi@FreeBSD.org Subject: Re: More Nakamichi problems Message-ID: <199604022124.PAA26321@richc.isdn.bcm.tmc.edu> In-Reply-To: <199604010139.UAA13448@hda.com> (message from Peter Dufault on Sun, 31 Mar 1996 20:39:55 %2B4300 (EST))
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|From: Peter Dufault <dufault@hda.com>
|Date: Sun, 31 Mar 1996 20:39:55 +4300 (EST)
|Cc: freebsd-scsi@FreeBSD.org
|
|>
|> As Hellmuth Michaelis wrote:
|>
|> > I'm using a Nakamichi with an Adaptec 1742 under 2.1 RELEASE and have no
|> > problem with it.
|>
|> Including concurrent disk access?
|
|I torture tested things a fair amount using Hellmuth's drive back
|in December on 2.1 and didn't have any problems after the DK_NDRIVE
|patch.
I reinstalled a kernel from today's -stable sources but
increased the '#define DK_NDRIVE 16' in dkstat.h. As
far as I know all the other patches have been
incorporated into -stable.
I then triggered a panic with:
for i in 0 1 2 3
do
find /cd/$i >$i &
done
The backtrace is below. I'll be glad to try things and
test changes, but I've not been able to track down the
cause so far. Rich
IdlePTD 226000
current pcb at 217fc8
panic: page fault
#0 boot (howto=256) at ../../i386/i386/machdep.c:911
(kgdb) where
#0 boot (howto=256) at ../../i386/i386/machdep.c:911
#1 0xf0113533 in panic (fmt=0xf01a34cc "page fault") at ../../kern/subr_prf.c:116
#2 0xf01a3fbe in trap_fatal (frame=0xefbffb68) at ../../i386/i386/trap.c:746
#3 0xf01a3b30 in trap_pfault (frame=0xefbffb68, usermode=0) at ../../i386/i386/trap.c:668
#4 0xf01a37cf in trap (frame={tf_es = -226820080, tf_ds = -2147483632, tf_edi = -258804864, tf_esi = -259785600, tf_ebp = -272630836, tf_isp = -272630896,
tf_ebx = -226800792, tf_edx = 560, tf_ecx = -226800716, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -267370249, tf_cs = -267386872,
tf_eflags = 66067, tf_esp = -272630764, tf_ss = -226800792}) at ../../i386/i386/trap.c:308
#5 0xf019c391 in calltrap ()
#6 0xf012458e in bread (vp=0xf0900000, blkno=0, size=2048, cred=0xffffffff, bpp=0xefbffc14) at ./vnode_if.h:865
#7 0xf0100f3e in iso_blkatoff (ip=0xf092f380, offset=0, bpp=0xefbffc50) at ../../isofs/cd9660/cd9660_lookup.c:468
#8 0xf01010fa in iso_iget (xp=0xefbffcfc, ino=286720, relocated=1, ipp=0xefbffc8c, isodir=0xf0863b44) at ../../isofs/cd9660/cd9660_node.c:244
#9 0xf0103015 in cd9660_root (mp=0xf0863c00, vpp=0xefbffdac) at ../../isofs/cd9660/cd9660_vfsops.c:481
#10 0xf0128628 in lookup (ndp=0xefbffe44) at ../../kern/vfs_lookup.c:473
#11 0xf0128051 in namei (ndp=0xefbffe44) at ../../kern/vfs_lookup.c:147
#12 0xf012bf1e in lstat (p=0xf0838c00, uap=0xefbfff94, retval=0xefbfff8c) at ../../kern/vfs_syscalls.c:1268
#13 0xf01a428b in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 36992, tf_esi = -272639028, tf_ebp = -272638932, tf_isp = -272629788, tf_ebx = 134688864,
tf_edx = 28672, tf_ecx = 37056, tf_eax = 190, tf_trapno = 662, tf_err = 662, tf_eip = 134493573, tf_cs = 31, tf_eflags = 662, tf_esp = -272639060,
tf_ss = 39}) at ../../i386/i386/trap.c:906
#14 0xf019c3db in Xsyscall ()
#15 0x8038152 in ?? ()
#16 0x16da in ?? ()
#17 0x310a in ?? ()
#18 0x10d3 in ?? ()
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