[Bug 26836] Memory read error when closing X session

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26836





--- Comment #1 from Pauli <suokkos at gmail.com>  2010-03-02 06:28:37 PST ---
Ok. It was real VT switches that caused the read error. And i could capture the
free trace too now.

==26198== Invalid read of size 1
==26198==    at 0x4024CF2: strncpy (mc_replace_strmem.c:329)
==26198==    by 0x516F589: drmmode_set_mode_major (string3.h:122)
==26198==    by 0x5171561: drmmode_set_desired_modes (drmmode_display.c:1274)
==26198==    by 0x516CF47: RADEONEnterVT_KMS (radeon_kms.c:852)
==26198==    by 0x80D93C0: xf86XVEnterVT (xf86xv.c:1228)
==26198==    by 0x80CC653: CMapEnterVT (xf86cmap.c:455)
==26198==    by 0x4C417F3: glxDRIEnterVT (glxdri2.c:520)
==26198==    by 0x80C1BC4: xf86Wakeup (xf86Events.c:634)
==26198==    by 0x8091671: WakeupHandler (dixutils.c:418)
==26198==    by 0x81317F9: WaitForSomething (WaitFor.c:231)
==26198==    by 0x808CEE7: Dispatch (dispatch.c:386)
==26198==    by 0x8072514: main (main.c:397)
==26198==  Address 0x4cd71c8 is 0 bytes inside a block of size 9 free'd
==26198==    at 0x4023836: free (vg_replace_malloc.c:325)
==26198==    by 0x8137A70: Xfree (utils.c:1165)
==26198==    by 0x80D28F7: xf86DeleteMode (xf86Mode.c:1795)
==26198==    by 0x80EF6F3: xf86ProbeOutputModes (xf86Crtc.c:1526)
==26198==    by 0x80F759F: xf86RandR12GetInfo12 (xf86RandR12.c:1482)
==26198==    by 0x8164A10: RRGetInfo (rrinfo.c:204)
==26198==    by 0x81695A3: rrGetScreenResources (rrscreen.c:343)
==26198==    by 0x8160D24: ProcRRDispatch (randr.c:483)
==26198==    by 0x808D1AE: Dispatch (dispatch.c:456)
==26198==    by 0x8072514: main (main.c:397)
==26198==
==26198== Invalid read of size 1
==26198==    at 0x4024D08: strncpy (mc_replace_strmem.c:329)
==26198==    by 0x516F589: drmmode_set_mode_major (string3.h:122)
==26198==    by 0x5171561: drmmode_set_desired_modes (drmmode_display.c:1274)
==26198==    by 0x516CF47: RADEONEnterVT_KMS (radeon_kms.c:852)
==26198==    by 0x80D93C0: xf86XVEnterVT (xf86xv.c:1228)
==26198==    by 0x80CC653: CMapEnterVT (xf86cmap.c:455)
==26198==    by 0x4C417F3: glxDRIEnterVT (glxdri2.c:520)
==26198==    by 0x80C1BC4: xf86Wakeup (xf86Events.c:634)
==26198==    by 0x8091671: WakeupHandler (dixutils.c:418)
==26198==    by 0x81317F9: WaitForSomething (WaitFor.c:231)
==26198==    by 0x808CEE7: Dispatch (dispatch.c:386)
==26198==    by 0x8072514: main (main.c:397)
==26198==  Address 0x4cd71c9 is 1 bytes inside a block of size 9 free'd
==26198==    at 0x4023836: free (vg_replace_malloc.c:325)
==26198==    by 0x8137A70: Xfree (utils.c:1165)
==26198==    by 0x80D28F7: xf86DeleteMode (xf86Mode.c:1795)
==26198==    by 0x80EF6F3: xf86ProbeOutputModes (xf86Crtc.c:1526)
==26198==    by 0x80F759F: xf86RandR12GetInfo12 (xf86RandR12.c:1482)
==26198==    by 0x8164A10: RRGetInfo (rrinfo.c:204)
==26198==    by 0x81695A3: rrGetScreenResources (rrscreen.c:343)
==26198==    by 0x8160D24: ProcRRDispatch (randr.c:483)
==26198==    by 0x808D1AE: Dispatch (dispatch.c:456)
==26198==    by 0x8072514: main (main.c:397)


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