Subject: port-alpha/10147: softdeps on /var panics -current alpha
To: None <gnats-bugs@gnats.netbsd.org>
From: None <lukem@netbsd.org>
List: netbsd-bugs
Date: 05/18/2000 06:35:12
>Number:         10147
>Category:       port-alpha
>Synopsis:       enabling softdeps on /var panics my alpha during boot
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-alpha-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 18 06:36:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Luke Mewburn
>Release:        2000/05/17
>Organization:
	NetBSD
>Environment:
System: NetBSD  1.4Y NetBSD 1.4Y (LUKEM_ALPHA-$Revision$) #1: Wed May 17 13:13:55 EST 2000 lukem@karybdis.akimbo.com.au:/var/scratch/kern.alpha/LUKEM_ALPHA alpha

>Description:
	when i enabled softdeps on /var on my alpha, it panics during
	boot. it's not always the same point; sometimes it's during
	dev_mkdb, sometimes in portmap, or whatever.

fatal kernel trap:

    trap entry = 0x2 (memory management fault)
    a0         = 0x3
    a1         = 0x1
    a2         = 0x0
    pc         = 0xfffffc000048153c
    ra         = 0xfffffc00004814a8
    curproc    = 0xfffffc0008c38968
        pid = 335, comm = portmap

panic: trap
Stopped in portmap at   cpu_Debugger+0x4:       ret     zero,(ra)

db> trace
cpu_Debugger() at cpu_Debugger+0x4
panic() at panic+0xec
trap() at trap+0x6b4
XentMM() at XentMM+0x20
--- memory management fault (from ipl 0) ---
chkdq() at chkdq+0xdc
ffs_truncate() at ffs_truncate+0x1fc
ufs_inactive() at ufs_inactive+0xec
vput() at vput+0xe4
ufs_remove() at ufs_remove+0xb8
sys_unlink() at sys_unlink+0x1c8
syscall() at syscall+0x1d0
XentSys() at XentSys+0x50
--- syscall (10, netbsd.sys_unlink) ---
--- user mode ---

db> reboot
syncing disks... panic: lockmgr: locking against myself
Stopped in portmap at   cpu_Debugger+0x4:       ret     zero,(ra)

db> reboot
rebooting...


>How-To-Repeat:
	enable softdeps on /var.
	boot alpha.
	watch it panic.

>Fix:
	annoy frank? :-)
>Release-Note:
>Audit-Trail:
>Unformatted: