NetBSD Problem Report #44845

From root@kefren.ngnetworks.ro  Sat Apr  9 09:09:40 2011
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Message-Id: <20110409090937.2E06E283C10A@kefren.ngnetworks.ro>
Date: Sat,  9 Apr 2011 12:09:37 +0300 (EEST)
From: kefren@netbsd.org
Reply-To: kefren@netbsd.org
To: gnats-bugs@gnats.NetBSD.org
Subject: RUMP_MEMLIMIT crashes rump_ffs
X-Send-Pr-Version: 3.95

>Number:         44845
>Category:       kern
>Synopsis:       RUMP_MEMLIMIT crashes rump_ffs
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Apr 09 09:10:00 +0000 2011
>Last-Modified:  Sat Apr 09 09:25:00 +0000 2011
>Originator:     Mihai Chelaru
>Release:        NetBSD 5.99.48
>Organization:

>Environment:


System: NetBSD kefren.ngnetworks.ro 5.99.48 NetBSD 5.99.48 (Home) #62: Thu Apr 7 17:26:06 EEST 2011 kefren@kefren.ngnetworks.ro:/disk3/work/netbsd-current/src/sys/arch/amd64/compile/obj/Home amd64
Architecture: x86_64
Machine: amd64
>Description:

	setting RUMP_MEMLIMIT to a reasonable value (100M) causes rump_ffs to crash soon after starting a simple copy on target filesystem
>How-To-Repeat:

	RUMP_MEMLIMIT=100000000 mount -o log,rump,rw /dev/rcgd0a /mnt/externc

	(start copy in a different terminal) and see it crash:

	pagedaemoness: failed to reclaim memory ... sleeping (deadlock?)
	panic: rumpuser fatal failure 11 (Resource deadlock avoided)

>Fix:


>Audit-Trail:
From: Mihai Chelaru <kefren@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: kern/44845: RUMP_MEMLIMIT crashes rump_ffs
Date: Sat, 09 Apr 2011 12:23:39 +0300

 I forgot to include the backtrace.

 Thread 34 (process 67749):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff60778ed in rumpns_uvm_wait () from /usr/lib/librump.so.0
 #5  0x00007f7ff6425c24 in rumpns_uvm_vnp_setsize () from
 /usr/lib/librumpvfs.so.0
 #6  0x00007f7ff6425cfb in rumpns_uvn_findpages () from
 /usr/lib/librumpvfs.so.0
 #7  0x00007f7ff6423255 in rumpns_genfs_getpages () from
 /usr/lib/librumpvfs.so.0
 #8  0x00007f7ff604d33e in rumpns_VOP_GETPAGES () from /usr/lib/librump.so.0
 #9  0x00007f7ff6425919 in rumpns_uvn_needs_writefault_p () from
 /usr/lib/librumpvfs.so.0
 #10 0x00007f7ff6435f7e in rumpns_ubc_uiomove () from
 /usr/lib/librumpvfs.so.0
 #11 0x00007f7ff781613e in rumpns_ffs_write () from
 /usr/lib/librumpfs_ffs.so.0
 #12 0x00007f7ff604dfce in rumpns_VOP_WRITE () from /usr/lib/librump.so.0
 #13 0x00007f7ff6417e8c in RUMP_VOP_WRITE () from /usr/lib/librumpvfs.so.0
 #14 0x00007f7ff6c04c9e in p2k_node_write () from /usr/lib/libp2k.so.2
 #15 0x00007f7ff58082af in puffs_dispatch_create () from
 /usr/lib/libpuffs.so.2
 #16 0x00007f7ff5808bc9 in puffs__ml_dispatch () from /usr/lib/libpuffs.so.2
 #17 0x00007f7ff580ad93 in puffs__framev_input () from /usr/lib/libpuffs.so.2
 #18 0x00007f7ff580c762 in puffs__theloop () from /usr/lib/libpuffs.so.2
 #19 0x00007f7ff580c371 in puffs_mainloop () from /usr/lib/libpuffs.so.2
 #20 0x00007f7ff6c043b2 in p2k_mainloop () from /usr/lib/libp2k.so.2
 #21 0x00000000004013bb in main ()

 Thread 33 (process 133285):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 Cannot access memory at address 0x7f7ff4c00000

 Thread 32 (process 198821):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff4800000 in ?? ()
 #8  0x00007f7ff7ffe0c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 31 (process 264357):
 ---Type <return> to continue, or q <return> to quit---
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff4400000 in ?? ()
 #8  0x00007f7ff7ffe140 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 30 (process 329893):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff4000000 in ?? ()
 #8  0x00007f7ff7ffe1c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 29 (process 395429):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079c5a in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff3c00000 in ?? ()
 #8  0x00007f7ff7ffe240 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 28 (process 460965):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052442 in rumpns_xc_init_cpu () from /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 ---Type <return> to continue, or q <return> to quit---
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7ff3800000 in ?? ()
 #9  0x00007f7ff7ffe2c0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 27 (process 526501):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff3400000 in ?? ()
 #8  0x00007f7ff7ffe340 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 26 (process 592037):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff3000000 in ?? ()
 #8  0x00007f7ff7ffe3c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 25 (process 657573):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff2c00000 in ?? ()
 #8  0x00007f7ff7ffe440 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 ---Type <return> to continue, or q <return> to quit---
 Thread 24 (process 723109):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff2800000 in ?? ()
 #8  0x00007f7ff7ffe4c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 23 (process 788645):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079c5a in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff2400000 in ?? ()
 #8  0x00007f7ff7ffe540 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 22 (process 854181):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052442 in rumpns_xc_init_cpu () from /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7ff2000000 in ?? ()
 #9  0x00007f7ff7ffe5c0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 21 (process 919717):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 ---Type <return> to continue, or q <return> to quit---
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff1c00000 in ?? ()
 #8  0x00007f7ff7ffe640 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 20 (process 985253):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff1800000 in ?? ()
 #8  0x00007f7ff7ffe6c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 19 (process 1050789):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff1400000 in ?? ()
 #8  0x00007f7ff7ffe740 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 18 (process 1116325):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff1000000 in ?? ()
 #8  0x00007f7ff7ffe7c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()
 ---Type <return> to continue, or q <return> to quit---

 Thread 17 (process 1181861):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079c5a in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff0c00000 in ?? ()
 #8  0x00007f7ff7ffe840 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 16 (process 1247397):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052442 in rumpns_xc_init_cpu () from /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7ff0800000 in ?? ()
 #9  0x00007f7ff7ffe8c0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 15 (process 1312933):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff0400000 in ?? ()
 #8  0x00007f7ff7ffe940 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 14 (process 1378469):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 ---Type <return> to continue, or q <return> to quit---
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7ff0000000 in ?? ()
 #8  0x00007f7ff7ffe9c0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 13 (process 1444005):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7fefc00000 in ?? ()
 #8  0x00007f7ff7ffea40 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 12 (process 1509541):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079d63 in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7fef800000 in ?? ()
 #8  0x00007f7ff7ffeac0 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

 Thread 11 (process 1575077):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079c5a in rumpns_softint_init () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7fef400000 in ?? ()
 #8  0x00007f7ff7ffeb40 in ?? ()
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 ---Type <return> to continue, or q <return> to quit---
 #11 0x0000000000000000 in ?? ()

 Thread 10 (process 1640613):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052442 in rumpns_xc_init_cpu () from /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fef000000 in ?? ()
 #9  0x00007f7ff7ffebc0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 9 (process 1771685):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff60770d4 in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6077212 in rumpns_cv_timedwait_sig () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff6428dc2 in rumpns_vrecycle () from /usr/lib/librumpvfs.so.0
 #6  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #7  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #8  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #9  0x00007f7fee800000 in ?? ()
 #10 0x00007f7ff7ffecc0 in ?? ()
 #11 0x0000000111110001 in ?? ()
 #12 0x0000000033330003 in ?? ()
 #13 0x0000000000000000 in ?? ()

 Thread 8 (process 1837221):
 #0  0x00007f7ff4c3829a in _sys___nanosleep50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff50064bb in __nanosleep50 () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c08e7c in rumpuser_nanosleep () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607c2c1 in rumpns_kpause () from /usr/lib/librump.so.0
 #4  0x00007f7ff643ce22 in rumpns_nchinit () from /usr/lib/librumpvfs.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fee400000 in ?? ()
 #9  0x00007f7ff7ffed40 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 7 (process 1902757):
 ---Type <return> to continue, or q <return> to quit---
 #0  0x00007f7ff4c74c4a in __pwrite () from /usr/lib/libc.so.12
 #1  0x00007f7ff50062d2 in pwrite () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07d91 in rumpuser_biothread () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #5  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #6  0x00007f7fee000000 in ?? ()
 #7  0x00007f7ff7ffedc0 in ?? ()
 #8  0x0000000111110001 in ?? ()
 #9  0x0000000033330003 in ?? ()
 #10 0x0000000000000000 in ?? ()

 Thread 6 (process 1968293):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008ad9 in pthread_cond_timedwait () from
 /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07351 in rumpuser_cv_timedwait () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff60770d4 in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6077212 in rumpns_cv_timedwait_sig () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff6425423 in rumpns_sched_sync () from /usr/lib/librumpvfs.so.0
 #6  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #7  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #8  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #9  0x00007f7fedc00000 in ?? ()
 #10 0x00007f7ff7ffee40 in ?? ()
 #11 0x0000000111110001 in ?? ()
 #12 0x0000000033330003 in ?? ()
 #13 0x0000000000000000 in ?? ()

 Thread 5 (process 2033829):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052c58 in rumpns_workqueue_destroy () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fed800000 in ?? ()
 #9  0x00007f7ff7ffeec0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 4 (process 2099365):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052c58 in rumpns_workqueue_destroy () from
 /usr/lib/librump.so.0
 ---Type <return> to continue, or q <return> to quit---
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fed400000 in ?? ()
 #9  0x00007f7ff7ffef40 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 3 (process 2164901):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052c58 in rumpns_workqueue_destroy () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fed000000 in ?? ()
 #9  0x00007f7ff7ffefc0 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 2 (process 2230437):
 #0  0x00007f7ff4c750da in ___lwp_park50 () from /usr/lib/libc.so.12
 #1  0x00007f7ff5008d24 in pthread_cond_wait () from /usr/lib/libpthread.so.1
 #2  0x00007f7ff5c07421 in rumpuser_cv_wait () from /usr/lib/librumpuser.so.0
 #3  0x00007f7ff607710a in rumpns_mutex_spin_enter () from
 /usr/lib/librump.so.0
 #4  0x00007f7ff6052c58 in rumpns_workqueue_destroy () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #6  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #7  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #8  0x00007f7fecc00000 in ?? ()
 #9  0x00007f7ff7fff040 in ?? ()
 #10 0x0000000111110001 in ?? ()
 #11 0x0000000033330003 in ?? ()
 #12 0x0000000000000000 in ?? ()

 Thread 1 (process 1706149):
 #0  0x00007f7ff4ce981a in _lwp_kill () from /usr/lib/libc.so.12
 #1  0x00007f7ff4ce918e in abort () from /usr/lib/libc.so.12
 #2  0x00007f7ff5c07a21 in rumpuser_mutex_enter () from
 /usr/lib/librumpuser.so.0
 #3  0x00007f7ff6077854 in rumpns_uvm_pageout () from /usr/lib/librump.so.0
 #4  0x00007f7ff6079033 in rumpns_kthread_create () from
 /usr/lib/librump.so.0
 #5  0x00007f7ff500b109 in pthread_setcancelstate () from
 /usr/lib/libpthread.so.1
 #6  0x00007f7ff4c750f0 in ___lwp_park50 () from /usr/lib/libc.so.12
 #7  0x00007f7feec00000 in ?? ()
 #8  0x00007f7ff7ffec40 in ?? ()
 ---Type <return> to continue, or q <return> to quit---
 #9  0x0000000111110001 in ?? ()
 #10 0x0000000033330003 in ?? ()
 #11 0x0000000000000000 in ?? ()

>Unformatted:

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