Date: Thu, 28 Aug 2008 19:07:15 +0200 From: "Paul B. Mahol" <onemda@gmail.com> To: "Robert Noland" <rnoland@freebsd.org> Cc: freebsd-x11 <freebsd-x11@freebsd.org>, jimmiejaz@gmail.com Subject: Re: [CFT] drm updates Message-ID: <3a142e750808281007r42bbe4d0u53be9c0074386c10@mail.gmail.com> In-Reply-To: <1219850374.61484.7.camel@squirrel.corp.cox.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> <1219769914.58043.11.camel@squirrel.corp.cox.com> <3a142e750808270307k237c5660ha98e8bcdfbddc4dc@mail.gmail.com> <1219850374.61484.7.camel@squirrel.corp.cox.com>
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On 8/27/08, Robert Noland <rnoland@freebsd.org> wrote: > On Wed, 2008-08-27 at 12:07 +0200, Paul B. Mahol wrote: >> On 8/26/08, Robert Noland <rnoland@freebsd.org> wrote: >> > 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) >> > >> > I don't think that the two issues are related, but try this patch... It >> > should at least, resolve the issue below. >> > >> > robert. >> >> Issue bellow is fixed, previous problem still exist. >> >> textdump of panic when unloading drm attached. > > Ok, The locking semantics are a nightmare... Give this a try, it should > correct both the previous issue as well as this one. > > robert. > Panic fixed, now only Xorg crashing when using glxgears (,...) remains ;) >> >> >> pid 7176 (Xorg), uid 0: exited on signal 6 >> >> free_unr with the following non-sleepable locks held: >> >> exclusive sleep mutex drmdev (drmdev) r = 0 (0xc4783cec) locked @ >> >> /usr/local/src/sys/modules/drm/drm/../../../dev/drm/drm_irq.c:256 >> >> 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,c0b4f841,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 = 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,c0b4f841,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 = 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,c0b4f841,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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