LOR (swap_pager.c , uma_core.c)

cosmin cosmin at nacom.phy.uic.edu
Tue Nov 11 13:35:03 PST 2003


Getting a lock order reversal when the system first boots up.  And this is the only time it seems to happen.

Nov 11 15:16:31 cosmin kernel: lock order reversal
Nov 11 15:16:31 cosmin kernel: 1st 0xc1ee165c vm object (vm object) @ /usr/src/sys/vm/swap_pager.c:1323
Nov 11 15:16:31 cosmin kernel: 2nd 0xc07100c0 swap_pager swhash (swap_pager swhash) @ /usr/src/sys/vm/swap_pager.c:1838
Nov 11 15:16:31 cosmin kernel: 3rd 0xc0c3440c vm object (vm object) @ /usr/src/sys/vm/uma_core.c:876
Nov 11 15:16:31 cosmin kernel: Stack backtrace:

I'm running the sources from yesterday:

FreeBSD cosmin.phy.uic.edu 5.1-CURRENT FreeBSD 5.1-CURRENT #7: Mon Nov 10 12:15:53 CST 2003     root at cosmin.phy.uic.edu:/usr/obj/usr/src/sys/GALAXY  i386

If you need more information, please let me know.

Cosmin Stroe.


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