panic: softdep_move_dependencies: need merge code (driver mtp(4)?)

[Scott Long]

Sorry, my answer to this is to move away from softupdates and
towards journalling.  I'm working on that, albeit slowly due
to the many other NFS and VFS bugs that I have to deal with.

Scott


Marcus Alves Grando wrote:
> Someone have one idea about that?
> 
> Apparently that's occurs after high disk load (bsdtar).
> 
> Matt, your changes in mpt driver are stable?
> 
> Regards
> 
> Scott Long wrote:
> 
>>Heh, that's supposed to be a 'this will never happen' case.
>>
>>Scott
>>
>>
>>Marcus Alves Grando wrote:
>>
>>>panic: softdep_move_dependencies: need merge code
>>>
>>>Maybe something in mtp(4) driver?
>>>
>>>FreeBSD 6.1-PRERELEASE #0: Sat Apr  1 04:20:17 BRT 2006
>>>
>>>db> sh msgbuf
>>>msgbufp = 0xc103afe4
>>>magic = 63062, size = 32740, r= 35282, w = 66579, ptr = 0xc1033000,
>>>cksum= 2663542
>>>mpt0: Attempting to Abort Req 0xc4bd3238
>>>mpt0: Request 0xc4bd36e8 Timed out.
>>>mpt0: Request 0xc4bd2e00 Timed out.
>>>...
>>>g_vfs_done():da0s1g[READ(offset=36612947968, length=16384)]error = 5i
>>>g_vfs_done():da0s1g[READ(offset=37008271360, length=2048)]error = 5n
>>>g_vfs_done():da0s1g[READ(offset=37725519872, length=8192)]error = 5
>>>g_vfs_done():da0s1g[WRITE(offset=40080080896, length=16384)]error = 5
>>>panic: softdep_move_dependencies: need merge code
>>>cpuid = 1
>>>KDB: enter: panic
>>>xited on signal 11
>>>
>>>db> bt
>>>Tracing pid 3 tid 100016 td 0xc4ae6af0
>>>kdb_enter(c0791fcb) at kdb_enter+0x2b
>>>panic(c079eff5,d8bf6bc0,c4f4e830,4,e35dcc90) at panic+0x127
>>>softdep_move_dependencies(d8bf6bc0,d8bcf040) at
>>>softdep_move_dependencies+0x1f
>>>ffs_backgroundwritedone(d8bf6bc0) at ffs_backgroundwritedone+0xca
>>>bufdone(d8bf6bc0) at bufdone+0x42
>>>g_vfs_done(c5d9e084) at g_vfs_done+0xab
>>>biodone(c5d9e084) at biodone+0x8b
>>>g_io_schedule_up(c4ae6af0) at g_io_schedule_up+0x86
>>>g_up_procbody(0,e35dcd38) at g_up_procbody+0x92
>>>fork_exit(c05270b8,0,e35dcd38) at fork_exit+0x71
>>>fork_trampoline() at fork_trampoline+0x8
>>>--- trap 0x1, eip = 0, esp = 0xe35dcd6c, ebp = 0 ---
>>>
>>>All DDB info:
>>>http://marcus.grupos.com.br:8080/patch/panic-server.log
>>>
>>>Thanks
>>>
>>
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> 
>