Re: port-arm/50087: all threaded programs crash on arm

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR port-arm/50087; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: Christos Zoulas <christos%zoulas.com@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-arm/50087: all threaded programs crash on arm
Date: Mon, 27 Jul 2015 08:45:39 +0200

 Unfortunately it causes quite heavy fallout in the current test runs:
 
 One example:
 
 http://www.netbsd.org/~martin/evbearmv7hf-atf/53_atf.html#fs_ffs_t_snapshot_log_snapshotstress
 
 Core was generated by `t_snapshot_log'.
 Program terminated with signal SIGSEGV, Segmentation fault.
 #0  arena_dalloc (ptr=0x71204400, chunk=0x71200000, arena=0x230a8) at /usr/src/lib/libc/stdlib/jemalloc.c:2590
 #0  arena_dalloc (ptr=0x71204400, chunk=0x71200000, arena=0x230a8) at /usr/src/lib/libc/stdlib/jemalloc.c:2590
 #1  idalloc (ptr=ptr@entry=0x71204400) at /usr/src/lib/libc/stdlib/jemalloc.c:3267
 #2  0x7bb0f310 in free (ptr=0x71204400) at /usr/src/lib/libc/stdlib/jemalloc.c:3944
 #3  0x7bcee434 in mutex_obj_free (lock=0x7182b700) at /usr/src/lib/librump/../../sys/rump/../kern/kern_mutex_obj.c:140
 #4  0x7bdaa5b8 in vnfree (vp=0x7120dc48) at /usr/src/lib/librumpvfs/../../sys/rump/../kern/vfs_vnode.c:296
 #5  0x7bdaa838 in vrelel (vp=0x7120dc48, flags=<optimized out>) at /usr/src/lib/librumpvfs/../../sys/rump/../kern/vfs_vnode.c:703
 #6  0x7bf8cf04 in ufs_remove (v=0x70bffe28) at /usr/src/sys/rump/fs/lib/libffs/../../../../ufs/ufs/ufs_vnops.c:757
 #7  0x7bcbb914 in VOP_REMOVE (dvp=0x75708c60, vp=<optimized out>, cnp=<optimized out>) at /usr/src/lib/librump/../../sys/rump/../kern/vnode_if.c:791
 #8  0x7bdafd78 in do_sys_unlinkat (l=<optimized out>, fdat=fdat@entry=-100, arg=<optimized out>, flags=flags@entry=0, seg=seg@entry=UIO_USERSPACE) at /usr/src/lib/librumpvfs/../../sys/rump/../kern/vfs_syscalls.c:2715
 #9  0x7bdb3644 in sys_unlink (l=<optimized out>, uap=<optimized out>, retval=<optimized out>) at /usr/src/lib/librumpvfs/../../sys/rump/../kern/vfs_syscalls.c:2613
 #10 0x7bd096ec in sy_call (rval=0x70bfff20, uap=0x70bfff1c, l=0x71902d00, sy=0x7bd48f78 <rumpns_sysent+200>) at /usr/src/lib/librump/../../sys/rump/../sys/syscallvar.h:65
 #11 sy_invoke (code=10, rval=0x70bfff20, uap=0x70bfff1c, l=0x71902d00, sy=0x7bd48f78 <rumpns_sysent+200>) at /usr/src/lib/librump/../../sys/rump/../sys/syscallvar.h:94
 #12 rump_syscall (num=num@entry=10, data=data@entry=0x70bfff1c, dlen=dlen@entry=4, retval=retval@entry=0x70bfff20) at /usr/src/lib/librump/../../sys/rump/librump/rumpkern/rump.c:758
 #13 0x7bcfd46c in rump___sysimpl_unlink (path=path@entry=0x70bfff48 "/mnt/a2/d0/f0") at /usr/src/lib/librump/../../sys/rump/librump/rumpkern/rump_syscalls.c:225
 #14 0x00011394 in fs_activity (arg=0x7fffc958) at /usr/src/tests/fs/ffs/../common/snapshot.c:153
 #15 0x7bc25a60 in pthread__create_tramp (cookie=0x757ea000) at /usr/src/lib/libpthread/pthread.c:576
 
 and the overview:
 
 http://www.netbsd.org/~martin/evbearmv7hf-atf/53_atf.html#failed-tcs-summary
 
 (previous run had only two failures, where one is supposed to be fixed in the
 mean time)
 
 
 Martin