Re: Kernel crash during heavy disk access

Hi,

Try doing a full, non-journal fsck.



-adrian

On 8 July 2013 21:41, Eric Camachat <eric.camachat_at_gmail.com> wrote:
> I experienced kernel crashes while make world or ports.
> For example:
> # cd /usr/port/lang/mono
> # make
>
> Will cause the crash, from /var/crash/core.txt:
> eb8460p dumped core - see /var/crash/vmcore.5
>
> Mon Jul  8 21:22:58 PDT 2013
>
> FreeBSD eb8460p 10.0-CURRENT FreeBSD 10.0-CURRENT #5 r253048: Mon Jul  8
> 19:07:18 PDT 2013     root_at_eb8460p:/u
> sr/obj/usr/src/sys/EB8460p  amd64
>
> panic: ffs_valloc: dup alloc
>
> GNU gdb 6.1.1 [FreeBSD]
> Copyright 2004 Free Software Foundation, Inc.
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> This GDB was configured as "amd64-marcel-freebsd"...
>
> Unread portion of the kernel message buffer:
> mode = 0100600, inum = 52969060, fs = /
> panic: ffs_valloc: dup alloc
> cpuid = 0
> KDB: stack backtrace:
> #0 0xffffffff805fd6d0 at kdb_backtrace+0x60
> #1 0xffffffff805c5b65 at panic+0x155
> #2 0xffffffff807dda6a at ffs_valloc+0x88a
> #3 0xffffffff8081a34c at ufs_makeinode+0x7c
> #4 0xffffffff808d2872 at VOP_CREATE_APV+0x92
> #5 0xffffffff80670c49 at vn_open_cred+0x2c9
> #6 0xffffffff8066a22f at kern_openat+0x1ef
> #7 0xffffffff8085db47 at amd64_syscall+0x357
> #8 0xffffffff808475db at Xfast_syscall+0xfb
> Uptime: 6m57s
> Dumping 599 out of 3972
> MB:..3%..11%..22%..33%..41%..51%..62%..73%..81%..91%
>
> Reading symbols from /boot/modules/cuse4bsd.ko...done.
> Loaded symbols for /boot/modules/cuse4bsd.ko
> Reading symbols from /boot/kernel/fdescfs.ko.symbols...done.
> Loaded symbols for /boot/kernel/fdescfs.ko.symbols
> Reading symbols from /boot/kernel/ng_ubt.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_ubt.ko.symbols
> Reading symbols from /boot/kernel/netgraph.ko.symbols...done.
> Loaded symbols for /boot/kernel/netgraph.ko.symbols
> Reading symbols from /boot/kernel/ng_hci.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_hci.ko.symbols
> Reading symbols from /boot/kernel/ng_bluetooth.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_bluetooth.ko.symbols
> Reading symbols from /boot/kernel/ums.ko.symbols...done.
> Loaded symbols for /boot/kernel/ums.ko.symbols
> Reading symbols from /boot/kernel/ng_l2cap.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_l2cap.ko.symbols
> Reading symbols from /boot/kernel/ng_btsocket.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_btsocket.ko.symbols
> Reading symbols from /boot/kernel/ng_socket.ko.symbols...done.
> Loaded symbols for /boot/kernel/ng_socket.ko.symbols
> #0  doadump (textdump=<value optimized out>) at pcpu.h:236
> 236     pcpu.h: No such file or directory.
>         in pcpu.h
> (kgdb) #0  doadump (textdump=<value optimized out>) at pcpu.h:236
> #1  0xffffffff805c57e0 in kern_reboot (howto=260)
>     at /usr/src/sys/kern/kern_shutdown.c:447
> #2  0xffffffff805c5ba4 in panic (fmt=<value optimized out>)
>     at /usr/src/sys/kern/kern_shutdown.c:754
> #3  0xffffffff807dda6a in ffs_valloc (pvp=<value optimized out>,
>     mode=<value optimized out>, cred=<value optimized out>,
>     vpp=<value optimized out>) at /usr/src/sys/ufs/ffs/ffs_alloc.c:1022
> #4  0xffffffff8081a34c in ufs_makeinode (mode=<value optimized out>,
>     dvp=0xfffffe011bf44ce8, vpp=0xffffff811ba058d8,
> cnp=0xffffff811ba05900)
>     at /usr/src/sys/ufs/ufs/ufs_vnops.c:2620
> #5  0xffffffff808d2872 in VOP_CREATE_APV (vop=<value optimized out>,
>     a=<value optimized out>) at vnode_if.c:265
> #6  0xffffffff80670c49 in vn_open_cred (ndp=0xffffff811ba05880,
>     flagp=0xffffff811ba0595c, cmode=420, vn_open_flags=<value optimized
> out>,
>     cred=0xfffffe0011fcee00, fp=0xfffffe00110925a0) at vnode_if.h:109
> #7  0xffffffff8066a22f in kern_openat (td=0xfffffe011960f920,
>     fd=<value optimized out>,
>     path=0x801dbd580 <Address 0x801dbd580 out of bounds>,
>     pathseg=UIO_USERSPACE, flags=1538, mode=<value optimized out>)
>     at /usr/src/sys/kern/vfs_syscalls.c:1093
> #8  0xffffffff8085db47 in amd64_syscall (td=0xfffffe011960f920,
> traced=0)
>     at subr_syscall.c:134
> #9  0xffffffff808475db in Xfast_syscall ()
>     at /usr/src/sys/amd64/amd64/exception.S:391
> #10 0x00000008013a5f2a in ?? ()
> Previous frame inner to this frame (corrupt stack?)
> Current language:  auto; currently minimal
> (kgdb)
>
>
> --
> Eric Camachat