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List:       dragonfly-bugs
Subject:    [DragonFlyBSD - Bug #2494] (Closed) DFBSD v3.2.2-RELEASE - Signal panic during tmpfs_write
From:       "Antonio M. Huete Jimenez via Redmine" <bugtracker-admin () leaf ! dragonflybsd ! org>
Date:       2013-01-23 21:47:49
Message-ID: redmine.journal-11217.20130123134749 () leaf ! dragonflybsd ! org
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Issue #2494 has been updated by tuxillo.

Status changed from New to Closed

Fix committed: 4c5cdd6bb4303e59e020dc83ec0dd9c02e9f5dac
It has been MFC'ed to 3.2 also

Thanks Matt for fixing it.
----------------------------------------
Bug #2494: DFBSD v3.2.2-RELEASE - Signal panic during tmpfs_write
http://bugs.dragonflybsd.org/issues/2494

Author: tuxillo
Status: Closed
Priority: High
Assignee: 
Category: 
Target version: 


Hi,

While trying to do a LVM installation in 3.2.2 with two SCSI disks, I get the \
following panic:

dm_target_stripe: Successfully initialized
dm_target_linear: Successfully initialized
disk scheduler: set policy of mapper/main-lv_swap to noop
disk scheduler: set policy of mapper/main-lv_root to noop
HAMMER(ROOT) recovery check seqno=000fbfff
HAMMER(ROOT) recovery range 3000000000000000-3000000000000000
HAMMER(ROOT) recovery nexto 3000000000000000 endseqno=000fc000
HAMMER(ROOT) mounted clean, no recovery needed
disk scheduler: set policy of vn0 to noop
disk scheduler: set policy of vn1 to noop
disk scheduler: set policy of vn2 to noop
disk scheduler: set policy of vn3 to noop
disk scheduler: set policy of vn4 to noop

Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic->id = 00000000
fault virtual address   = 0x3e4
fault code              = supervisor write data, page not present
instruction pointer     = 0x8:0xffffffff804e310b
stack pointer           = 0x10:0xffffffe032243560
frame pointer           = 0x10:0xffffffe032243560
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = Idle
current thread          = pri 12
kernel: type 12 trap, code=2

CPU0 stopping CPUs: 0x00000002
 stopped
Physical memory: 971 MB


Backtrace:

#0  _get_mycpu () at ./machine/thread.h:69
#1  md_dumpsys (di=<optimized out>) at \
/build/home/justin/src/sys/platform/pc64/x86_64/dump_machdep.c:265 #2  \
0xffffffff804ecce2 in dumpsys () at \
/build/home/justin/src/sys/kern/kern_shutdown.c:925 #3  0xffffffff802a631c in \
db_fncall (dummy1=<optimized out>, dummy2=<optimized out>, dummy3=<optimized out>, \
dummy4=<optimized out>)  at /build/home/justin/src/sys/ddb/db_command.c:539
#4  0xffffffff802a67ef in db_command (aux_cmd_tablep_end=0xffffffff809cd9c0, \
aux_cmd_tablep=0xffffffff809cd988,  cmd_table=<optimized out>, last_cmdp=<optimized \
out>) at /build/home/justin/src/sys/ddb/db_command.c:401 #5  db_command_loop () at \
/build/home/justin/src/sys/ddb/db_command.c:467 #6  0xffffffff802a96b1 in db_trap \
(type=<optimized out>, code=<optimized out>) at \
/build/home/justin/src/sys/ddb/db_trap.c:71 #7  0xffffffff80899918 in kdb_trap \
(type=<optimized out>, code=<optimized out>, regs=<optimized out>)  at \
/build/home/justin/src/sys/platform/pc64/x86_64/db_interface.c:176 #8  \
0xffffffff8089ef6e in trap_fatal (frame=0xffffffe032243498, eva=<optimized out>)  at \
/build/home/justin/src/sys/platform/pc64/x86_64/trap.c:1042 #9  0xffffffff8089f1c6 in \
trap_pfault (frame=0xffffffe032243498, usermode=0)  at \
/build/home/justin/src/sys/platform/pc64/x86_64/trap.c:933 #10 0xffffffff8089f795 in \
trap (frame=0xffffffe032243498) at \
/build/home/justin/src/sys/platform/pc64/x86_64/trap.c:625 #11 0xffffffff8088957f in \
calltrap () at /build/home/justin/src/sys/platform/pc64/x86_64/exception.S:188 #12 \
0xffffffff804e310b in phold (p=0x3e4) at \
/build/home/justin/src/sys/kern/kern_proc.c:207 #13 0xffffffff804ef4f7 in lwpsignal \
(p=0x0, lp=0x0, sig=25) at /build/home/justin/src/sys/kern/kern_sig.c:1118 #14 \
0xffffffff804efa89 in ksignal (p=0x3e4, sig=25) at \
/build/home/justin/src/sys/kern/kern_sig.c:1084 #15 0xffffffff80701256 in tmpfs_write \
(ap=0xffffffe032243790) at /build/home/justin/src/sys/vfs/tmpfs/tmpfs_vnops.c:545 #16 \
0xffffffff805716a0 in vop_write (ops=0xffffffe00354adc0, vp=0xffffffe05a5a0da8, \
uio=0xffffffe032243810, ioflag=<optimized out>,  cred=0xffffffe0555fb120) at \
/build/home/justin/src/sys/kern/vfs_vopops.c:455 #17 0xffffffff8365bab7 in vnstrategy \
(ap=<optimized out>) at /usr/src/sys/dev/disk/vn/vn.c:353 #18 0xffffffff804cec15 in \
dev_dstrategy (dev=0xffffffe021436610, bio=0xffffffe0035b2490)  at \
/build/home/justin/src/sys/kern/kern_device.c:346 #19 0xffffffff80506384 in \
dsched_strategy_raw (dp=0xffffffe05a65e188, bp=0xffffffe0035b2490)  at \
/build/home/justin/src/sys/kern/kern_dsched.c:519 #20 0xffffffff8050639f in \
noop_queue (diskctx=<optimized out>, tdio=<optimized out>, bio=0x19)  at \
/build/home/justin/src/sys/kern/kern_dsched.c:1180 #21 0xffffffff8050654b in \
dsched_queue (dp=0xffffffe05a65e188, bio=0xffffffe0035b2490)  at \
/build/home/justin/src/sys/kern/kern_dsched.c:304 #22 0xffffffff8051549d in \
diskstrategy (ap=<optimized out>) at /build/home/justin/src/sys/kern/subr_disk.c:1105 \
#23 0xffffffff804ceadf in dev_dstrategy_chain (dev=0xffffffe0214368d0, bio=0x0) at \
/build/home/justin/src/sys/kern/kern_device.c:365 #24 0xffffffff806c6c81 in \
devfs_spec_strategy (ap=<optimized out>) at \
/build/home/justin/src/sys/vfs/devfs/devfs_vnops.c:1686 #25 0xffffffff805704c5 in \
vop_strategy (ops=0xffffffe0213f7a80, vp=0x0, bio=0x19) at \
/build/home/justin/src/sys/kern/vfs_vopops.c:866 #26 0xffffffff80546e73 in \
vn_strategy (vp=0xffffffe05a530e88, bio=0xffffffe0035b2408)  at \
/build/home/justin/src/sys/kern/vfs_bio.c:3639 #27 0xffffffff806be1f3 in ufs_strategy \
(ap=<optimized out>) at /build/home/justin/src/sys/vfs/ufs/ufs_vnops.c:1800 #28 \
0xffffffff806be0b3 in ufs_vnoperate (ap=0x3e4) at \
/build/home/justin/src/sys/vfs/ufs/ufs_vnops.c:2298 #29 0xffffffff80570498 in \
vop_strategy (ops=0xffffffe00354bd80, vp=0xffffffe05a5326e8, bio=<optimized out>)  at \
/build/home/justin/src/sys/kern/vfs_vopops.c:866 #30 0xffffffff80546e73 in \
vn_strategy (vp=0xffffffe05a5326e8, bio=0xffffffe0035b2380)  at \
/build/home/justin/src/sys/kern/vfs_bio.c:3639 #31 0xffffffff805533a6 in \
cluster_wbuild (vp=<optimized out>, bpp=0x0, blksize=<optimized out>, \
start_loffset=81920, bytes=65536)  at \
/build/home/justin/src/sys/kern/vfs_cluster.c:1129 #32 0xffffffff80553439 in \
cluster_awrite (bp=0x0) at /build/home/justin/src/sys/kern/vfs_cluster.c:881 #33 \
0xffffffff8054a471 in flushbufqueues (q=<optimized out>, marker=<optimized out>)  at \
/build/home/justin/src/sys/kern/vfs_bio.c:2645 #34 buf_daemon1 (td=<optimized out>, \
queue=<optimized out>, buf_limit_fn=<optimized out>, bd_req=<optimized out>)  at \
/build/home/justin/src/sys/kern/vfs_bio.c:2467 #35 0xffffffff8054a65f in buf_daemon \
() at /build/home/justin/src/sys/kern/vfs_bio.c:2506 #36 0xffffffff804dca30 in \
suspend_kproc (td=0x3e4, timo=0) at \
/build/home/justin/src/sys/kern/kern_kthread.c:195 Backtrace stopped: previous frame \
inner to this frame (corrupt stack?)

Coredump is in leaf:~tuxillo/crash/tmpfswrite_*.0

Cheers,
Antonio Huete




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