kern/138367: [tmpfs] 'panic: Assertion pages > 0 failed' when running regression/tmpfs

Bruce Cran bruce at
Mon Aug 31 01:20:05 UTC 2009

>Number:         138367
>Category:       kern
>Synopsis:       [tmpfs] 'panic: Assertion pages > 0 failed' when running regression/tmpfs
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Aug 31 01:20:04 UTC 2009
>Originator:     Bruce Cran
>Release:        8.0-BETA3
FreeBSD gluon.draftnet 8.0-BETA3 FreeBSD 8.0-BETA3 #0: Sat Aug 22 01:01:34 BST 2009     brucec at gluon.draftnet:/usr/obj/usr/src/sys/GENERIC  i386
When running 'make regress' in tools/regression/tmpfs the following panic occurs:

panic: Assertion pages > 0 failed at /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_vfsops.c:246

(kgdb) bt
#0  doadump () at pcpu.h:246
#1  0xc08801de in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416
#2  0xc08804b2 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:579
#3  0xc4de9385 in tmpfs_mount (mp=0xc4966000) at /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_vfsops.c:246
#4  0xc09097c2 in vfs_donmount (td=0xc497b000, fsflags=0, fsoptions=0xc4c4f100) at /usr/src/sys/kern/vfs_mount.c:984
#5  0xc090aec5 in nmount (td=0xc497b000, uap=0xe6b60cf8) at /usr/src/sys/kern/vfs_mount.c:420
#6  0xc0bb0143 in syscall (frame=0xe6b60d38) at /usr/src/sys/i386/i386/trap.c:1071
#7  0xc0b929b0 in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:261
#8  0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)

run 'make regress' in /usr/src/tools/regression/tmpfs


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