Problems loading Gnome

Roger Grosswiler roger at gwch.net
Wed Sep 28 12:25:33 PDT 2005


Jeremie Le Hen wrote:

>Hi Roger,
>
>  
>
>>i recently installed Beta4 sucessfully, but after login i have to wait 
>>10 minutes to get a workin system.
>>
>>Dmesg shows this:
>>
>>lock order reversal
>>1st 0xc097f8e0 UMA lock (UMA lock) @ /usr/src/sys/vm/uma_core.c:1494
>>2nd 0xc1060144 system map (system map) @ /usr/src/sys/vm/vm_map.c:2317
>>KDB: stack backtrace:
>>kdb_backtrace(0,ffffffff,c09348c0,c0934a00,c08bef84) at kdb_backtrace+0x29
>>witness_checkorder(c1060144,9,c0875486,90d) at witness_checkorder+0x564
>>_mtx_lock_flags(c1060144,0,c0875486,90d) at _mtx_lock_flags+0x5b
>>_vm_map_lock(c10600c0,c0875486,90d) at _vm_map_lock+0x26
>>vm_map_remove(c10600c0,c1d05000,c1d06000,cc9ffc0c,c07827a9) at 
>>vm_map_remove+0x1f
>>kmem_free(c10600c0,c1d05000,1000,cc9ffc3c,c0782156) at kmem_free+0x25
>>page_free(c1d05000,1000,2) at page_free+0x29
>>zone_drain(c103f000) at zone_drain+0x26a
>>zone_foreach(c0781eec,cc9ffcec,c07940d7,cc9ffc74,246) at zone_foreach+0x37
>>uma_reclaim(cc9ffc74,246,0,cc9ffc80,c062b7d9) at uma_reclaim+0x12
>>vm_pageout_scan(0,c097fd40,0,c0876973,604) at vm_pageout_scan+0x103
>>vm_pageout(0,cc9ffd38,0,c0794f2c,0) at vm_pageout+0x2c3
>>fork_exit(c0794f2c,0,cc9ffd38) at fork_exit+0xa0
>>fork_trampoline() at fork_trampoline+0x8
>>--- trap 0x1, eip = 0, esp = 0xcc9ffd6c, ebp = 0 ---
>>
>>
>>What can this be? What can i do?
>>    
>>
>
>This is clearly explained by Robert Watson in this post :
>http://lists.freebsd.org/pipermail/freebsd-current/2003-December/016617.html
>
>What you can do depends on your skills actually.  If you feel strong
>enough, you can fix it.  If not, you can check this page
>http://sources.zabbadoz.net/freebsd/lor.html
>maintained by Bjoern A. Zeeb if this LOR is already reported (this
>should be done pretty quickly by looking for the string "UMA lock" for
>intance).  In case of it is not, then report it on this very list.
>
>Regards,
>  
>
in fact it is, but where do i get the patch from?

Roger


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