It's probably not related, but I had a snv_106 server hang recently
while copying files over CIFS.  Hadn't seen any problems at all before
I did that upgrade:
http://www.opensolaris.org/jive/thread.jspa?threadID=90779&tstart=0



On Tue, Feb 10, 2009 at 7:11 AM, Brent Jones <brent at servuhome.net> wrote:
> Hello all,
> I got an alert this morning from one of my X4540's running OpenSolaris
> snv_105 that it had rebooted. Upon closer inspection, it it had a
> kernel panic while many machines were connections to it to perform
> backups (over CIFS).
> Of note, it says "rw_destroy: lock still active" down below.
> I had enabled the CIFS oplocks to increase performance (I had some bad
> performance under some load conditions) but I am aware this is not a
> tested or recommended setting.
> May I be seeing some effects of this? I tried all day to reproduce the
> situation unsuccessfully, but when tomorrows backups run again, I'll
> see if it happens again.
>
> Feb  9 14:47:31 pdxfilu01 unix: [ID 836849 kern.notice]
> Feb  9 14:47:31 pdxfilu01 ^Mpanic[cpu0]/thread=ffffff007a99cc60:
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 763660 kern.notice] rw_destroy:
> lock still active, lp=ffffff11aa2760d0 wwwh=ffffff007ae97c64
> thread=ffffff007a99cc60
> Feb  9 14:47:31 pdxfilu01 unix: [ID 100000 kern.notice]
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99c990 unix:rw_panic+6f ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99c9b0 unix:rw_destroy+33 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99c9d0 smbsrv:smb_rwx_destroy+2c ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99ca10 smbsrv:smb_node_release+d7 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99ca50 smbsrv:smb_node_release+a9 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99ca70 smbsrv:smb_ofile_delete+98 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99caa0 smbsrv:smb_ofile_release+53 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99cac0 smbsrv:smbsr_disconnect_file+29 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99caf0 smbsrv:smbsr_cleanup+29 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99cb80 smbsrv:smb_dispatch_request+495 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99cbb0 smbsrv:smb_session_worker+3a ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99cc40 genunix:taskq_d_thread+b1 ()
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 655072 kern.notice]
> ffffff007a99cc50 unix:thread_start+8 ()
> Feb  9 14:47:31 pdxfilu01 unix: [ID 100000 kern.notice]
> Feb  9 14:47:31 pdxfilu01 genunix: [ID 672855 kern.notice] syncing
> file systems...
> Feb  9 14:47:34 pdxfilu01 genunix: [ID 904073 kern.notice]  done
> Feb  9 14:47:35 pdxfilu01 genunix: [ID 111219 kern.notice] dumping to
> /dev/zvol/dsk/rpool/dump, offset 65536, content: kernel
> Feb  9 14:56:18 pdxfilu01 genunix: [ID 409368 kern.notice] ^M100%
> done: 6271242 pages dumped, compression ratio 3.62,
> Feb  9 14:56:18 pdxfilu01 genunix: [ID 851671 kern.notice] dump succeeded
>
>
> I'll keep you all posted of my findings.
>
>
> --
> Brent Jones
> brent at servuhome.net
> _______________________________________________
> cifs-discuss mailing list
> cifs-discuss at opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/cifs-discuss
>

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