Re: Problems loading Gnome

From: Jeremie Le Hen (jeremie_at_le-hen.org)
Date: 09/28/05

  • Next message: Roger Grosswiler: "Re: Problems loading Gnome" 
    Date: Wed, 28 Sep 2005 21:17:46 +0200
To: Roger Grosswiler <roger@gwch.net>

    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, 

    -- 
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >
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