Date: Sat, 17 Jul 1999 04:05:31 +0200 From: Juergen Lock <nox@jelal.kn-bremen.de> To: Matthew Jacob <mjacob@feral.com> Cc: Juergen Lock <nox@jelal.kn-bremen.de>, freebsd-bugs@FreeBSD.ORG Subject: Re: kern/11945: tape problems on -stable, mt bl(ocksize), mt erase and hanging SCSI bus Message-ID: <19990717040530.A35804@saturn.kn-bremen.de> In-Reply-To: <19990714195352.A33275@saturn.kn-bremen.de>; from Juergen Lock on Wed, Jul 14, 1999 at 07:53:53PM %2B0200 References: <199907130010.RAA87312@freefall.freebsd.org> <Pine.BSF.4.05.9907121713080.8020-100000@semuta.feral.com> <19990714195352.A33275@saturn.kn-bremen.de>
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On Wed, Jul 14, 1999 at 07:53:53PM +0200, Juergen Lock wrote:
> On Mon, Jul 12, 1999 at 05:33:51PM -0700, Matthew Jacob wrote:
> > >
> > > 2. mt erase fails similarly (I don't have the syslog right
> > > now, sorry)
> >
> > Possibly due to the same cause.
> >
> Yup, its working now as i type.
Hmm. I spoke too soon it seems... it worked once at that day but
today it just went hanging similar to how mt retension hung:
bash# gdb -k /kernel /dev/mem
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-unknown-freebsd"...
IdlePTD 3100672
initial pcb at 386000
panic messages:
---
---
#0 mi_switch () at ../../kern/kern_synch.c:825
825 if (switchtime.tv_sec)
(kgdb) proc 35503
(kgdb) bt
#0 mi_switch () at ../../kern/kern_synch.c:825
#1 0xc015f3e5 in tsleep (ident=0xc0846c28, priority=16,
wmesg=0xc0224da5 "cbwait", timo=0) at ../../kern/kern_synch.c:443
#2 0xc01225fd in cam_periph_ccbwait (ccb=0xc0846c00)
at ../../cam/cam_periph.c:720
#3 0xc012270a in cam_periph_runccb (ccb=0xc0846c00,
error_routine=0xc0128144 <saerror>, camflags=CAM_FLAG_NONE, sense_flags=0,
ds=0xc07ee824) at ../../cam/cam_periph.c:809
#4 0xc012944b in saerase (periph=0xc07e5180, longerase=1)
at ../../cam/scsi/scsi_sa.c:3057
#5 0xc0126d45 in saioctl (dev=3585, cmd=2148035841, arg=0xc3ae9ed0 "\f",
flag=3, p=0xc39e7fa0) at ../../cam/scsi/scsi_sa.c:974
#6 0xc018d713 in spec_ioctl (ap=0xc3ae9e0c)
at ../../miscfs/specfs/spec_vnops.c:424
#7 0xc018cfbd in spec_vnoperate (ap=0xc3ae9e0c)
at ../../miscfs/specfs/spec_vnops.c:129
#8 0xc01c5c2d in ufs_vnoperatespec (ap=0xc3ae9e0c)
at ../../ufs/ufs/ufs_vnops.c:2317
#9 0xc0187e01 in vn_ioctl (fp=0xc08b2ac0, com=2148035841,
data=0xc3ae9ed0 "\f", p=0xc39e7fa0) at vnode_if.h:395
#10 0xc0168844 in ioctl (p=0xc39e7fa0, uap=0xc3ae9f84)
at ../../kern/sys_generic.c:564
#11 0xc01f306f in syscall (frame={tf_es = 39, tf_ds = 39, tf_edi = 5,
tf_esi = -1077945748, tf_ebp = -1077945800, tf_isp = -1011965996,
tf_ebx = 134524492, tf_edx = 12, tf_ecx = 134518218, tf_eax = 54,
tf_trapno = 12, tf_err = 2, tf_eip = 671702344, tf_cs = 31,
tf_eflags = 515, tf_esp = -1077946204, tf_ss = 39})
at ../../i386/i386/trap.c:1123
#12 0xc01e539c in Xint0x80_syscall ()
#13 0x80486e5 in ?? ()
(kgdb) q
Ideas anyone?
Regards,
--
Juergen Lock <nox.foo@jelal.kn-bremen.de>
(remove dot foo from address to reply)
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