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[Ricardo Salveti <rsalveti@xxxxxxxxxxxx>]

Setting to Won't Fix per Nicolas's comment.

** Changed in: ubuntu-omap4-extras-graphics
       Status: Confirmed => Won't Fix

** Changed in: linaro-ubuntu
       Status: Confirmed => Won't Fix

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https://bugs.launchpad.net/bugs/803412

Title:
  Opening many windows on Compiz-GLES makes the kernel crash with SGX

Status in Linaro Ubuntu Evaluation Builds:
  Won't Fix
Status in Ubuntu OMAP4 graphics addons:
  Won't Fix

Bug description:
  I booted Linaro LEB Ubuntu desktop image on EA1 pandaboard. After
  opening several terminal windows X11 died and kernel generated oops:

  [  624.715759] Unable to handle kernel NULL pointer dereference at virtual address 000000e8
  [  624.724609] pgd = c0004000
  [  624.727508] [000000e8] *pgd=00000000
  [  624.731445] Internal error: Oops: 5 [#1] PREEMPT SMP
  [  624.736724] last sysfs file: /sys/devices/virtual/sound/timer/uevent
  [  624.743530] Modules linked in: hid binfmt_misc fat vfat usbhid nls_cp437 nls_iso8859_1 omap2_mcspi leds_gpio rfkill omap_wdt ohci_hcd bluetooth usbnet btsdio smsc95xx parport l2cap lp bnep ppdev sco pvrsrvkm
  [  624.763519] CPU: 0    Not tainted  (2.6.38-1003-linaro-omap #4~ppa5-Ubuntu)
  [  624.780364] PC is at HASH_Remove_Extended+0x67/0x76 [pvrsrvkm]
  [  624.795837] LR is at HASH_Remove_Extended+0x18/0x76 [pvrsrvkm]
  [  624.811157] pc : [<bf908064>]    lr : [<bf908015>]    psr: 600f0033
  [  624.811157] sp : e851bca8  ip : 00000000  fp : ebed94f4
  [  624.841644] r10: 00000000  r9 : 00000000  r8 : 00000000
  [  624.856292] r7 : e851bcc4  r6 : 000000e8  r5 : 00000000  r4 : ebabf300
  [  624.872222] r3 : b15e7f80  r2 : 00000040  r1 : 0000003a  r0 : 02c579fe
  [  624.888092] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA Thumb  Segment user
  [  624.904785] Control: 50c53c7d  Table: ac01c04a  DAC: 00000015
  [  624.919799] Process compiz (pid: 750, stack limit = 0xe851a2f8)
  [  624.934967] Stack: (0xe851bca8 to 0xe851c000)
  [  624.948394] bca0:                   e851bcc4 eb9abe00 00000000 02110a03 00000000 bf908081
  [  624.965911] bcc0: ebabf300 0a516000 00000000 bf90a63f cb679380 cb680420 cb679380 bf904b49
  [  624.983428] bce0: 00000000 d6306720 00000000 00000000 e6e1230c bf905931 00000000 bf905e61
  [  625.000976] bd00: d6306720 00000000 00000024 d8758f80 00000000 00000000 e6e1230c bf905f17
  [  625.018463] bd20: bf905ecf 00000001 d8758d40 bf90a9f1 00000000 0000000e 00000001 bf90aa5d
  [  625.035949] bd40: 00000000 00000000 0000000e 00000000 e6e1230c e6e12300 bf917f08 ebed94e8
  [  625.053436] bd60: e6d9dbe8 bf90ac51 00000000 00000000 e6d50300 bf9183ec ebed9400 bf90ced3
  [  625.070983] bd80: eb928340 bf90897b 000002ee bf903959 bf91123d c07079f0 ecba1580 bf911247
  [  625.088470] bda0: bf91123d c02e60bd ebed9400 ecba1580 00000000 ecba1580 ebed9400 00000000
  [  625.106018] bdc0: ebed94c0 c02da491 000002ee 0000e200 00000001 00000000 00000001 e6d9dbe0
  [  625.123535] bde0: ebed5220 ec593f68 eb95b280 00000008 e6d9dbe8 00000000 0000b25a c0111435
  [  625.141052] be00: 00000000 00000000 e6d9dbe0 ec82f7e0 00000000 ec82f7e0 0000004c 00000000
  [  625.158782] be20: 0000d442 c010ecc3 00000000 000019ff da345f40 c0085de3 ebadaa00 e851a000
  [  625.176483] be40: 00000006 00000001 eb978fc0 eb40fa40 0000d442 c008781d ebadaa00 eb40fa40
  [  625.194091] be60: 00000006 e851a000 e851a000 00000014 e851bef4 c071ea38 ebe6c520 c0087aef
  [  625.211791] be80: 00000003 00000006 020c0027 eb40fa40 e851a000 c0092713 00000000 ebe6ca24
  [  625.229461] bea0: 418004fc c06bb044 e851bfb0 e851bf74 00040100 e851a000 e851bec0 c007de65
  [  625.247131] bec0: ebadaa00 e851bfb0 c0052104 e851a000 00000000 406f48c6 406f48c4 00000000
  [  625.264801] bee0: 00000032 c0054493 ebadaa00 e851bf10 00000000 00000006 00000000 fffffffa
  [  625.282592] bf00: 000002ee 000003e8 c0473f09 e73a6f40 c0086feb e851a000 0000040a 00000000
  [  625.300384] bf20: c011042d 00000001 e851a000 e851bf50 c007de65 e851a000 00000000 e851bf80
  [  625.318176] bf40: c0473ecf e851a000 c0091059 00000020 00000000 00000001 e851a000 e851bf88
  [  625.335937] bf60: c00929f3 00000020 00000000 00000000 00000000 e851a000 e851bf88 c00929f3
  [  625.353698] bf80: 00000020 00000000 00000000 00000001 408874c0 00000001 0000010c 00000000
  [  625.371520] bfa0: e851a000 c00549d1 00000006 c0051faf 00000000 000002ee 00000006 000002ee
  [  625.389343] bfc0: 00000006 408874c0 00000001 0000010c 005cc9e8 beed19ac 00000000 00000032
  [  625.407104] bfe0: 0000010c beed1764 40702a8f 406f48c6 200f0030 000002ee 00000000 00000000
  [  625.425048] [<bf908064>] (HASH_Remove_Extended+0x67/0x76 [pvrsrvkm]) from [<bf908081>] (HASH_Remove+0xe/0x10 [pvrsrvkm])
  [  625.445922] [<bf908081>] (HASH_Remove+0xe/0x10 [pvrsrvkm]) from [<bf90a63f>] (RA_Free+0x10/0x28 [pvrsrvkm])
  [  625.465606] [<bf90a63f>] (RA_Free+0x10/0x28 [pvrsrvkm]) from [<bf904b49>] (BM_CreateHeap_AnyVaCb+0x92/0x104 [pvrsrvkm])
  [  625.486450] [<bf904b49>] (BM_CreateHeap_AnyVaCb+0x92/0x104 [pvrsrvkm]) from [<bf905931>] (BM_FreeExport+0xe/0x10 [pvrsrvkm])
  [  625.507781] [<bf905931>] (BM_FreeExport+0xe/0x10 [pvrsrvkm]) from [<bf905e61>] (PVRSRVFreeSyncInfoKM+0xd0/0x108 [pvrsrvkm])
  [  625.529174] [<bf905e61>] (PVRSRVFreeSyncInfoKM+0xd0/0x108 [pvrsrvkm]) from [<bf905f17>] (UnmapDeviceMemoryCallBack+0x48/0x5a [pvrsrvkm])
  [  625.551940] [<bf905f17>] (UnmapDeviceMemoryCallBack+0x48/0x5a [pvrsrvkm]) from [<bf90a9f1>] (FreeResourceByCriteria_AnyVaCb+0xbc/0x14c [pvrsrvkm])
  [  625.575744] [<bf90a9f1>] (FreeResourceByCriteria_AnyVaCb+0xbc/0x14c [pvrsrvkm]) from [<bf90aa5d>] (FreeResourceByCriteria_AnyVaCb+0x128/0x14c [pvrsrvkm])
  [  625.600311] [<bf90aa5d>] (FreeResourceByCriteria_AnyVaCb+0x128/0x14c [pvrsrvkm]) from [<bf90ac51>] (PVRSRVResManDisconnect+0x108/0x19c [pvrsrvkm])
  [  625.624267] [<bf90ac51>] (PVRSRVResManDisconnect+0x108/0x19c [pvrsrvkm]) from [<bf90ced3>] (PVRSRVPerProcessDataDisconnect+0x1e/0x38 [pvrsrvkm])
  [  625.647979] [<bf90ced3>] (PVRSRVPerProcessDataDisconnect+0x1e/0x38 [pvrsrvkm]) from [<bf90897b>] (PVRSRVProcessDisconnect+0x6/0x8 [pvrsrvkm])
  [  625.671417] [<bf90897b>] (PVRSRVProcessDisconnect+0x6/0x8 [pvrsrvkm]) from [<bf903959>] (PVRSRVRelease+0x28/0x50 [pvrsrvkm])
  [  625.693267] [<bf903959>] (PVRSRVRelease+0x28/0x50 [pvrsrvkm]) from [<bf911247>] (PVRSRVDrmRelease+0xa/0xe [pvrsrvkm])
  [  625.714447] [<bf911247>] (PVRSRVDrmRelease+0xa/0xe [pvrsrvkm]) from [<c02e60bd>] (dev_postclose+0x39/0x50)
  [  625.734680] [<c02e60bd>] (dev_postclose+0x39/0x50) from [<c02da491>] (drm_release+0x205/0x2a4)
  [  625.753845] [<c02da491>] (drm_release+0x205/0x2a4) from [<c0111435>] (__fput+0x5d/0x12c)
  [  625.772338] [<c0111435>] (__fput+0x5d/0x12c) from [<c010ecc3>] (filp_close+0x2f/0x40)
  [  625.790435] [<c010ecc3>] (filp_close+0x2f/0x40) from [<c0085de3>] (put_files_struct+0xaf/0xc0)
  [  625.809295] [<c0085de3>] (put_files_struct+0xaf/0xc0) from [<c008781d>] (do_exit+0x101/0x2a8)
  [  625.828094] [<c008781d>] (do_exit+0x101/0x2a8) from [<c0087aef>] (do_group_exit+0x2b/0x80)
  [  625.846618] [<c0087aef>] (do_group_exit+0x2b/0x80) from [<c0092713>] (get_signal_to_deliver+0x167/0x2ac)
  [  625.866546] [<c0092713>] (get_signal_to_deliver+0x167/0x2ac) from [<c0054493>] (do_signal+0x67/0x14c)
  [  625.886138] [<c0054493>] (do_signal+0x67/0x14c) from [<c00549d1>] (do_notify_resume+0x3d/0x40)
  [  625.905090] [<c00549d1>] (do_notify_resume+0x3d/0x40) from [<c0051faf>] (work_pending+0x1f/0x20)
  [  625.924285] Code: f7ff ff02 e005 4616 (6835) 
  [  625.941467] ---[ end trace f19fdb1329df8698 ]---
  [  625.956695] Fixing recursive fault but reboot is needed!

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