Date: Fri, 11 Jan 2008 10:47:47 -0500 From: Mikhail Teterin <mi+kde@aldan.algebra.com> To: stable@FreeBSD.org Cc: sos@FreeBSD.org Subject: panic: vinvalbuf: dirty bufs Message-ID: <200801111047.48232@aldan>
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Attached is the stack...
I was trying to back up a DVD (acd0) to a file-system (on ad8). According to
the ``systat 1 -vm'' window frozen on my screen, the system was processing an
awful lot of interrupts, when it paniced.
I have the entire vmcore. Attached is the debugger's stack of it. The kernel
is 6.3-PRERELEASE as of Dec 30th.
Please, advise. Thanks,
-mi
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Unread portion of the kernel message buffer:
panic: vinvalbuf: dirty bufs
cpuid = 0
Uptime: 7d3h6m7s
Dumping 2047 MB (2 chunks)
chunk 0: 1MB (156 pages) ... ok
chunk 1: 2047MB (524016 pages) 2031 2015 1999 1983 1967 1951 1935 1919 1903 1887 1871 1855 1839 1823 1807 1791 1775 1759 1743 1727 1711 1695 1679 1663 1647 1631 1615 1599 1583 1567 1551 1535 1519 1503 1487 1471 1455 1439 1423 1407 1391 1375 1359 1343 1327 1311 1295 1279 1263 1247 1231 1215 1199 1183 1167 1151 1135 1119 1103 1087 1071 1055 1039 1023 1007 991 975 959 943 927 911 895 879 863 847 831 815 799 783 767 751 735 719 703 (CTRL-C to abort) (CTRL-C to abort) (CTRL-C to abort) 687 (CTRL-C to abort) (CTRL-C to abort) (CTRL-C to abort) 671 655 639 623 607 591 575 559 543 527 511 495 479 463 447 431 415 399 383 367 351 335 319 303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15
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This GDB was configured as "amd64-marcel-freebsd"...
(kgdb) #0 doadump () at pcpu.h:172
#1 0x0000000000000004 in ?? ()
#2 0xffffffff802b9a47 in boot (howto=260)
at /var/src/sys/kern/kern_shutdown.c:409
#3 0xffffffff802ba0e1 in panic (fmt=0xffffff00597f54c0 "")
at /var/src/sys/kern/kern_shutdown.c:565
#4 0xffffffff80324a3f in bufobj_invalbuf (bo=0xffffff0016f58910, flags=1,
td=0xffffff00597f54c0, slpflag=0, slptimeo=0)
at /var/src/sys/kern/vfs_subr.c:1032
#5 0xffffffff80327657 in vgonel (vp=0xffffff0016f587c0)
at /var/src/sys/kern/vfs_subr.c:2453
#6 0xffffffff803286ae in vgone (vp=0xffffff0016f587c0)
at /var/src/sys/kern/vfs_subr.c:2408
#7 0xffffffff80267fad in devfs_delete (dm=0xffffff0005bf2900,
de=0xffffff0012557d00, vp_locked=0)
at /var/src/sys/fs/devfs/devfs_devs.c:265
#8 0xffffffff80268576 in devfs_populate_loop (dm=0xffffff0005bf2900,
cleanup=0) at /var/src/sys/fs/devfs/devfs_devs.c:384
#9 0xffffffff802685d9 in devfs_populate (dm=0xffffff0005bf2900)
at /var/src/sys/fs/devfs/devfs_devs.c:486
#10 0xffffffff8026ace4 in devfs_lookup (ap=0x0)
at /var/src/sys/fs/devfs/devfs_vnops.c:587
#11 0xffffffff8046838d in VOP_LOOKUP_APV (vop=0xffffffff805e6900,
a=0xffffffffd52f68a0) at vnode_if.c:99
#12 0xffffffff8031d9b5 in lookup (ndp=0xffffffffd52f6a20) at vnode_if.h:56
#13 0xffffffff8031e6e5 in namei (ndp=0xffffffffd52f6a20)
at /var/src/sys/kern/vfs_lookup.c:216
#14 0xffffffff8032fe04 in kern_stat (td=0xffffff00597f54c0, path=0x0,
pathseg=UIO_USERSPACE, sbp=0xffffffffd52f6af0)
at /var/src/sys/kern/vfs_syscalls.c:2077
#15 0xffffffff8032ff87 in stat (td=0x0, uap=0xffffffffd52f6bc0)
at /var/src/sys/kern/vfs_syscalls.c:2061
#16 0xffffffff8041e431 in syscall (frame=
{tf_rdi = 4620026, tf_rsi = 140737488350224, tf_rdx = 1200063540, tf_rcx = 34378002812, tf_r8 = -2141280448, tf_r9 = 140737488350168, tf_rax = 188, tf_rbx = 0, tf_rbp = 5763328, tf_r10 = -1098187407360, tf_r11 = 582, tf_r12 = 140737488350224, tf_r13 = 1200063360, tf_r14 = 0, tf_r15 = 0, tf_trapno = 22, tf_addr = 0, tf_flags = 140737488247792, tf_err = 2, tf_rip = 34378002748, tf_cs = 43, tf_rflags = 582, tf_rsp = 140737488350200, tf_ss = 35})
at /var/src/sys/amd64/amd64/trap.c:807
#17 0xffffffff80403938 in Xfast_syscall ()
at /var/src/sys/amd64/amd64/exception.S:287
#18 0x000000080116b13c in ?? ()
(kgdb)
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