Date: Wed, 14 May 2003 18:29:22 +0200 From: Pawel Jakub Dawidek <nick@garage.freebsd.pl> To: current@freebsd.org Subject: LOR in VM. Message-ID: <20030514162922.GO45118@garage.freebsd.pl>
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--kXY52bIqOkzyC1te Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello. I'm not sure if this was reported already. If not - here you go: Kernel from 12 May. lock order reversal 1st 0xc30cfbe0 vm object (vm object) @ /usr/src/sys/vm/vm_object.c:512 2nd 0xc082f110 system map (system map) @ /usr/src/sys/vm/vm_kern.c:325 Stack backtrace: backtrace(c02de769,c082f110,c02e9056,c02e9056,c02e8eed) at backtrace+0x17 witness_lock(c082f110,8,c02e8eed,145,d5065a90) at witness_lock+0x697 _mtx_lock_flags(c082f110,0,c02e8eed,145,c2eba260) at _mtx_lock_flags+0xb1 _vm_map_lock(c082f0b0,c02e8eed,145,c01a9934,246) at _vm_map_lock+0x36 kmem_malloc(c082f0b0,1000,101,d5065b24,c0273a45) at kmem_malloc+0x65 page_alloc(c083a240,1000,d5065b17,101,c030080c) at page_alloc+0x27 slab_zalloc(c083a240,101,c02ea8c1,66f,c083a924) at slab_zalloc+0x155 uma_zone_slab(c083a240,101,c02ea8c1,66f,0) at uma_zone_slab+0xd8 uma_zalloc_internal(c083a240,0,101,6ef,0) at uma_zalloc_internal+0x55 uma_zfree_arg(c083a900,c3105000,0,d5065bcc,c025b698) at uma_zfree_arg+0x2cc dev_pager_putfake(c3105000,0,c02e8708,bc,c30cfbe0) at dev_pager_putfake+0x3a dev_pager_dealloc(c30cfbe0,1,c02ea7c4,10b,0) at dev_pager_dealloc+0xc8 vm_pager_deallocate(c30cfbe0,0,c02e999a,25e,c032f4a8) at vm_pager_deallocat= e+0x3d vm_object_terminate(c30cfbe0,0,c02e999a,200,c30a46cc) at vm_object_terminat= e+0x1f4 vm_object_deallocate(c30cfbe0,c30a46cc,c30cfbe0,c30a46cc,d5065c9c) at vm_ob= ject_deallocate+0x217 vm_map_entry_delete(c308fe00,c30a46cc,c02e90c4,86e,c02da08a) at vm_map_entr= y_delete+0x3b vm_map_delete(c308fe00,282e2000,282e3000,1000,282e2000) at vm_map_delete+0x= 453 vm_map_remove(c308fe00,282e2000,282e3000,0,c30cb428) at vm_map_remove+0x55 munmap(c2eba260,d5065d10,c02ee54b,3fb,2) at munmap+0x9e syscall(2f,2f,2f,f8000,1000) at syscall+0x26e Xint0x80_syscall() at Xint0x80_syscall+0x1d --- syscall (73), eip =3D 0x282534e3, esp =3D 0xbfbffa2c, ebp =3D 0xbfbffa5= 8 --- --=20 Pawel Jakub Dawidek pawel@dawidek.net UNIX Systems Programmer/Administrator http://garage.freebsd.pl Am I Evil? Yes, I Am! http://cerber.sourceforge.net --kXY52bIqOkzyC1te Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (FreeBSD) iQCVAwUBPsJu4j/PhmMH/Mf1AQGFHgP/byYv+EUfyyaQQU1t385Egy2FyKGdcLC6 0j5COleELIwbN0EPxYzEvhf2SCyWfNRV5QB2CfT2+Mua3n96muq++oc0oZAl6pYX CLVrmzIjeYiKaqtHD2zYHtQ/nzT4s4NozWHA6CSzi0VpZB8MZmuqxgmFxpt37rnK 0H/hkrOmw8Q= =P8FB -----END PGP SIGNATURE----- --kXY52bIqOkzyC1te--
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