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Date:      Tue, 26 Aug 2008 12:20:49 -0400
From:      Robert Noland <rnoland@FreeBSD.org>
To:        "Paul B. Mahol" <onemda@gmail.com>
Cc:        freebsd-x11 <freebsd-x11@freebsd.org>, jimmiejaz@gmail.com
Subject:   Re: [CFT] drm updates
Message-ID:  <1219767649.58043.9.camel@squirrel.corp.cox.com>
In-Reply-To: <3a142e750808260851u13de6cf9jf2640c195f9be81e@mail.gmail.com>
References:  <48B1A590.2040701@gmail.com> <1219674352.53929.2.camel@squirrel.corp.cox.com> <3a142e750808250928n612761cch69a3bd2ebf374f92@mail.gmail.com> <3a142e750808260741p224bd68aw52711eab7e76aa59@mail.gmail.com> <3a142e750808260851u13de6cf9jf2640c195f9be81e@mail.gmail.com>

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On Tue, 2008-08-26 at 17:51 +0200, Paul B. Mahol wrote:
> Here is more kernel debug info (after updating libdrm and testing with
> glxgears)
>=20
> pid 7176 (Xorg), uid 0: exited on signal 6
> free_unr with the following non-sleepable locks held:
> exclusive sleep mutex drmdev (drmdev) r =3D 0 (0xc4783cec) locked @
> /usr/local/src/sys/modules/drm/drm/../../../dev/drm/drm_irq.c:256

Ok, I can fix that...  Thanks for finding it.

robert.

> KDB: stack backtrace:
> db_trace_self_wrapper(c0b570bb,c43887cc,c07f0dd5,c4d79b8f,100,...) at
> db_trace_self_wrapper+0x26
> kdb_backtrace(c4d79b8f,100,ffffffff,c0dcf79c,c4388800,...) at
> kdb_backtrace+0x29
> _witness_debugger(c0b5930a,c4388814,4,1,0,...) at _witness_debugger
> +0x25
> witness_warn(5,0,c0b58e81,c4388838,c07a528c,...) at witness_warn+0x1c1
> free_unr(c49776c0,1,c4d79696,a8,c4783ef4,...) at free_unr+0x2b
> drm_drawable_free_all(c4783c00,c4d7bce0,c4d796d9,1ba,0,...) at
> drm_drawable_free_all+0x174
> drm_lastclose(c4646c80,1,c4d796d9,2e3,8,...) at drm_lastclose+0xdf
> drm_close(c4b37000,3,2000,c4971230,c4388900,...) at drm_close+0x2ca
> giant_close(c4b37000,3,2000,c4971230,c4971230,...) at giant_close+0x67
> devfs_close(c4388948,3,c4d4d430,3,c4388968,...) at devfs_close+0x29a
> VOP_CLOSE_APV(c0c26380,c4388948,c0b61a19,124,c0c63f80,...) at
> VOP_CLOSE_APV+0xa5
> vn_close(c4d4d430,3,c4ad9700,c4971230,0,...) at vn_close+0xe4
> vn_closefile(c49df1c0,c4971230,c43889ec,c0784853,c49df1c0,...) at
> vn_closefile+0xe9
> devfs_close_f(c49df1c0,c4971230,0,0,c49df1c0,...) at devfs_close_f
> +0x25
> _fdrop(c49df1c0,c4971230,c4388a20,c07f0c1c,0,c49712d4,c0dcf798,c0c317b0,c=
0b4f841,c51c452c,6a7,c0b4f841,c4388a48,c07b9fe0,c51c452c,8,c0b4f841,6a7)
> at _fdrop+0x43
> closef(c49df1c0,c4971230,6a7,6a5,c4470340,...) at closef+0x290
> fdfree(c4971230,0,c0b5014d,102,c49712d4,...) at fdfree+0x387
> exit1(c4971230,1,c0b53f0a,aad,c0b4ed7f,...) at exit1+0x543
> sigexit(c4971230,1,c0b53f0a,a3d,c556baa8,...) at sigexit+0xaaf
> postsig(1,0,c0b587c6,df,c496d7d4,...) at postsig+0x1dd
> ast(c4388d38) at ast+0x37f
> doreti_ast() at doreti_ast+0x17
> uma_zalloc_arg: zone "16" with the following non-sleepable locks held:
> exclusive sleep mutex drmdev (drmdev) r =3D 0 (0xc4783cec) locked @
> /usr/local/src/sys/modules/drm/drm/../../../dev/drm/drm_irq.c:256
> KDB: stack backtrace:
> db_trace_self_wrapper(c0b570bb,c438874c,c07f0dd5,c4d79b8f,100,...) at
> db_trace_self_wrapper+0x26
> kdb_backtrace(c4d79b8f,100,ffffffff,c0dcf79c,c4388780,...) at
> kdb_backtrace+0x29
> _witness_debugger(c0b5930a,c4388794,4,1,0,...) at _witness_debugger
> +0x25
> witness_warn(5,0,c0b78fa6,c0b2b3ab,c0b5930a,...) at witness_warn+0x1c1
> uma_zalloc_arg(c1872960,0,102,2,1,...) at uma_zalloc_arg+0x34
> malloc(10,c0c34a40,102,c4388838,c07a528c,...) at malloc+0xd2
> free_unr(c49776c0,1,c4d79696,a8,c4783ef4,...) at free_unr+0x47
> drm_drawable_free_all(c4783c00,c4d7bce0,c4d796d9,1ba,0,...) at
> drm_drawable_free_all+0x174
> drm_lastclose(c4646c80,1,c4d796d9,2e3,8,...) at drm_lastclose+0xdf
> drm_close(c4b37000,3,2000,c4971230,c4388900,...) at drm_close+0x2ca
> giant_close(c4b37000,3,2000,c4971230,c4971230,...) at giant_close+0x67
> devfs_close(c4388948,3,c4d4d430,3,c4388968,...) at devfs_close+0x29a
> VOP_CLOSE_APV(c0c26380,c4388948,c0b61a19,124,c0c63f80,...) at
> VOP_CLOSE_APV+0xa5
> vn_close(c4d4d430,3,c4ad9700,c4971230,0,...) at vn_close+0xe4
> vn_closefile(c49df1c0,c4971230,c43889ec,c0784853,c49df1c0,...) at
> vn_closefile+0xe9
> devfs_close_f(c49df1c0,c4971230,0,0,c49df1c0,...) at devfs_close_f
> +0x25
> _fdrop(c49df1c0,c4971230,c4388a20,c07f0c1c,0,c49712d4,c0dcf798,c0c317b0,c=
0b4f841,c51c452c,6a7,c0b4f841,c4388a48,c07b9fe0,c51c452c,8,c0b4f841,6a7)
> at _fdrop+0x43
> closef(c49df1c0,c4971230,6a7,6a5,c4470340,...) at closef+0x290
> fdfree(c4971230,0,c0b5014d,102,c49712d4,...) at fdfree+0x387
> exit1(c4971230,1,c0b53f0a,aad,c0b4ed7f,...) at exit1+0x543
> sigexit(c4971230,1,c0b53f0a,a3d,c556baa8,...) at sigexit+0xaaf
> postsig(1,0,c0b587c6,df,c496d7d4,...) at postsig+0x1dd
> ast(c4388d38) at ast+0x37f
> doreti_ast() at doreti_ast+0x17
> uma_zalloc_arg: zone "16" with the following non-sleepable locks held:
> exclusive sleep mutex drmdev (drmdev) r =3D 0 (0xc4783cec) locked @
> /usr/local/src/sys/modules/drm/drm/../../../dev/drm/drm_irq.c:256
> KDB: stack backtrace:
> db_trace_self_wrapper(c0b570bb,c438874c,c07f0dd5,c4d79b8f,100,...) at
> db_trace_self_wrapper+0x26
> kdb_backtrace(c4d79b8f,100,ffffffff,c0dcf79c,c4388780,...) at
> kdb_backtrace+0x29
> _witness_debugger(c0b5930a,c4388794,4,1,0,...) at _witness_debugger
> +0x25
> witness_warn(5,0,c0b78fa6,c0b2b3ab,c0b5930a,...) at witness_warn+0x1c1
> uma_zalloc_arg(c1872960,0,102,2,1,...) at uma_zalloc_arg+0x34
> malloc(10,c0c34a40,102,c4388838,c07a528c,...) at malloc+0xd2
> free_unr(c49776c0,1,c4d79696,a8,c4783ef4,...) at free_unr+0x66
> drm_drawable_free_all(c4783c00,c4d7bce0,c4d796d9,1ba,0,...) at
> drm_drawable_free_all+0x174
> drm_lastclose(c4646c80,1,c4d796d9,2e3,8,...) at drm_lastclose+0xdf
> drm_close(c4b37000,3,2000,c4971230,c4388900,...) at drm_close+0x2ca
> giant_close(c4b37000,3,2000,c4971230,c4971230,...) at giant_close+0x67
> devfs_close(c4388948,3,c4d4d430,3,c4388968,...) at devfs_close+0x29a
> VOP_CLOSE_APV(c0c26380,c4388948,c0b61a19,124,c0c63f80,...) at
> VOP_CLOSE_APV+0xa5
> vn_close(c4d4d430,3,c4ad9700,c4971230,0,...) at vn_close+0xe4
> vn_closefile(c49df1c0,c4971230,c43889ec,c0784853,c49df1c0,...) at
> vn_closefile+0xe9
> devfs_close_f(c49df1c0,c4971230,0,0,c49df1c0,...) at devfs_close_f
> +0x25
> _fdrop(c49df1c0,c4971230,c4388a20,c07f0c1c,0,c49712d4,c0dcf798,c0c317b0,c=
0b4f841,c51c452c,6a7,c0b4f841,c4388a48,c07b9fe0,c51c452c,8,c0b4f841,6a7)
> at _fdrop+0x43
> closef(c49df1c0,c4971230,6a7,6a5,c4470340,...) at closef+0x290
> fdfree(c4971230,0,c0b5014d,102,c49712d4,...) at fdfree+0x387
> exit1(c4971230,1,c0b53f0a,aad,c0b4ed7f,...) at exit1+0x543
> sigexit(c4971230,1,c0b53f0a,a3d,c556baa8,...) at sigexit+0xaaf
> postsig(1,0,c0b587c6,df,c496d7d4,...) at postsig+0x1dd
> ast(c4388d38) at ast+0x37f
> doreti_ast() at doreti_ast+0x17
> drm0: [ITHREAD]
> pid 9156 (Xorg), uid 0: exited on signal 6

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