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Re: Hammer Core Dumped on DragonFly v2.13.0.154.g481b38-DEVELOPMENT


From: Siju George <sgeorge.ml@xxxxxxxxx>
Date: Mon, 14 Nov 2011 13:01:25 +0530

I had these many PFSes on the hammer volume /Backup3


/Backup3/pfs/mysql-baks /Backup3/mysql-baks null rw 0
0/Backup3/pfs/VM-Backup /Backup3/VM-Backup null rw 00
/Backup3/pfs/svn-baks /Backup3/svn-baks null rw 0
0/Backup3/pfs/software /Backup3/software null rw 0 0/Backup3/pfs/Data
/Backup3/Data null rw 0 0

The /Backup3/pfs Directory is missing completely

None of these are mounted

BUT

Two of these PFSes are available as directories.

# pwd
/Backup3
# ls -l
total 4
drwxr-xr-x  5 root  wheel  512 Dec 13  2010 mysql-baks
drwxr-xr-x  3 root  wheel  512 Jan  7  2011 svn-baks


# pwd
/Backup3/mysql-baks/agsrv
# undo -i 2011-11-11-all.sql.bz2
2011-11-11-all.sql.bz2: ITERATE ENTIRE HISTORY: Inappropriate ioctl for device

Thanks :-)

--Siju



On Mon, Nov 14, 2011 at 10:16 AM, Siju George <sgeorge.ml@gmail.com> wrote:
> Hi,
>
> Hammer Core Dumped on My v2.13.0.154.g481b38-DEVELOPMENT.
>
> I have uploaded the core dump to leaf:/home/sgeorge/crash/Coredump20111114.tbz
> Files are
>
> Coredump20111114/
> Coredump20111114/kern.2
> Coredump20111114/info.2
> Coredump20111114/vmcore.2
> Coredump20111114/bounds
> Coredump20111114/core.txt.2
>
>
> However the system is up and running after a reboot.
>
> Would this have affected the file system?
>
> Should I try a latest src or wait till I hear from you?
>
> This kernel did run fine for many days though
>
>
> DragonFly dfly-bkpsrv.hifxnx.local 2.13-DEVELOPMENT DragonFly
> v2.13.0.154.g481b38-DEVELOPMENT #2: Mon Oct 31 14:21:57 IST 2011
> root@dfly-bkpsrv.hifxnx.local:/usr/obj/Backup1/src/sys/GENERIC  i386
>
>
> Thanks
>
> --Siju
>
> The messsage is
>
> =========
>
> HAMMER(Backup3) recovery undo  300000000bc4d788-300000000bc502c0
> (11064 bytes)(RW)
> ad8: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> error=4<ABORTED>
> LBA=890156672
> HAMMER(): Critical error inode=-1 error=5 while flushing meta-data
> HAMMER(): Forcing read-only mode
> ad8: FAILURE - WRITE_DMA48 status=51<READY,DSC,ERROR> error=4<ABORTED>
> LBA=890935168
> HAMMER(): Critical error inode=-1 error=5 while flushing meta-data
> panic: assertion "hammer_oneref(&buffer->io.lock)" failed in
> hammer_recover_flush_buffer_callback at
> /Backup1/src/sys/vfs/hammer/hammer_recover.c:1525
> cpuid = 0
> Trace beginning at frame 0xdcfde8b8
> panic(ffffffff,0,c06c7328,dcfde8ec,d8329de0) at panic+0x198
> panic(c06c7328,c070a3d0,c0678c60,c070a3a0,5f5) at panic+0x198
> hammer_recover_flush_buffer_callback(dcf701c8,dcfde968,0,0,dcf70138)
> at hammer_recover_flush_buffer_callback+0xe7
> hammer_buf_rb_tree_RB_SCAN(dd09a034,c054fb9f,c0556ff7,dcfde968,dd09a034)
> at hammer_buf_rb_tree_RB_SCAN+0xc0
> hammer_recover_flush_buffers(dd09a000,c72ec310,1,0,0) at
> hammer_recover_flush_buffers+0x71
> hammer_recover_stage1(dd09a000,c72ec310,280,0,dcfde9fc) at
> hammer_recover_stage1+0x857
> hammer_vfs_mount(d832eb60,bfbffc13,bfbff948,d7310bd0,d832ed80) at
> hammer_vfs_mount+0xb6c
> vfs_mount(d832eb60,bfbffc13,bfbff948,d7310bd0,bfbff924) at vfs_mount+0x52
> sys_mount(dcfdecf0,dcfded00,10,dcfe24b8,0) at sys_mount+0x712
> syscall2(dcfded40) at syscall2+0x26f
> Xint0x80_syscall() at Xint0x80_syscall+0x36
> Debugger("panic")
>
> CPU0 stopping CPUs: 0x00000000
>  stopped
> Physical memory: 3541 MB
> Dumping 169 MB: 154 138 122 106 90 74 58 42 26 10
> ======================================
>




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