[Bug 588243] [NEW] kernel BUG at /build/buildd/linux-ti-omap-2.6.33/drivers/video/omap2/dss/core.c:323!

[Zygmunt Krynicki]

Public bug reported:

Crashed during shutdown.
Lucid omap3 kernel on a beagle board rev C4
Video output via HDMI link to a HDMI monitor


[ OK ]ounting weak filesystems...    
 * Will now halt
[  920.850830] kernel BUG at /build/buildd/linux-ti-omap-2.6.33/drivers/video/omap2/dss/core.c:323!
[  920.860107] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[  920.868560] pgd = c 3 920.871368] [00000000] *pgd=00000000
[  920.875091] Internal error: Oops: 805 [#1]
[  920.879302] last sysfs file: /sys/kernel/uevent_seqnum
[  920.884613] Modules linked in: asix usbnet omap_wdt musb_hdrc twl4030_usb leds_gpio
[  920.892608] CPU: 0    Not tainted  (2.6.33-60-Ubuntu)
[  920.898620] PC is at __bug+0x18/0x24
[  920.902313] LR is at __bug+0x14/0x24
[  920.906036] pc : [<c00375f0>]    lr : [<c00375ec>]    psr: 60000013
[  920.906036] sp : cefd5e 800000000  fp : 00000000
[  920.917816] r10: 00000000  r9 : cefd4000  r8 : c0033ba8
[  920.923217] r7 : 00000000  r6 : c026dd24  r5 : cefd5e50  r4 : 00000003
[  920.929901] r3 : 00000000  528  r1 : c05be880  r0 : 0000006a
[  920.936645] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  920.943969] Control: 10c5387d  Table: 8f368019  DAC: 00000015
[  920.94c8ess halt (pid: 531, stack limit = 0xcefd42e8)
[  920.955780] Stack: (0xcefd5e28 to 0xcefd6000)
8[688] 5e40: 00000000 c026dd34 c05b6d70 c02a0acc cf846a78 ced8fd70 bf00d0b8 c05bd6e0c027731c
[  920.977111] 5e60: c065dfc4 4321fedc 00000058 c02a23d4 c02a23bc c029db94 4321fedc 28121969
[  920.985533]21fedc c0074ed8 4321fedc c0075094 00000000 4002c000 00000000 ceea6548
[  920.993927] 5ea0: ceed53c0 cf368000 cf369000 00000000 00000000 c00d69c0 0000000d 00000000
[  921.002349] 5ec0: 0000001 cefd5fb0 80000007 ceed53c0 4002c3fc 000000c6 cefd5fb0
[  921.010772] 5ee0: 80000007 c042fc24 c05be2b8 ffffffff 00000007 c05ae474 4002c3fc cefd5fb0
[  921.019165] 5f00: 00000000 00000000 0a03325c ced6c580 c05be288 cefd5f6c c042c348
[  921.027587] 5f20: cefd5f34 cf35ed40 00000013 c042c670 0001ab3f 00000000 66ed3516 000000d6
[  921.036010] 5f40: 00007736 00000000 0067d7ac cefd10ac 00000000 00000024 00000000
[  921.044403] 5f60: cefd4000 00000000 cefd5f7c c042c670 40000001 ceeaa440 00000000 ceeaa400
[  921.052825] 5f80: 00000000 c010f050 2a009f3c 00000002 0000000002000002 beb67c88
[  921.061248] 5fa0: 00000058 c0033a00 2a009f3c 00000002 fee1dead 28121969 4321fedc 00000058
[  921.069641] 5fc0: 2a009f3c 00000002 beb67c88 00000058 00000000 00000000 2a000f00
[  921.083007] 5fe0: 2a009f50 beb67c88 2a00128f 400c0c32 00000030 fee1dead 00000000 00000000
5[58] [<c0267d98>] (dss_clk_disable+0x80/0x98) from [<c026dbd0>] (omapdss_dpi_display_disable+0x20/0x3c)
[  921.124725] [<c026dbd0>] (omapdss_dpi_display_disable+0x20/0x3c) from [<c027731c>] _gdisable+0xc/0x18)
[  921.140502] [<c027731c>] (generic_panel_disable+0xc/0x18) from [<c026dd34>] (dss_disable_device+0x10/0x18)
[  921.155639] [<c026dd34>] (dss_disable_device+0x10/0x18) f0o2a0acc>] (bus_for_each_dev+0x60/0x8c)
[  921.170501] [<c02a0acc>] (bus_for_each_dev+0x60/0x8c) from [<c02a23d4>] (platform_drv_shutdown+0x18/0x1c)
[  921.185699] [<c02a23d4>] (platform_drv8s/0x1c) from [<c029db94>] (device_shutdown+0x84/0xac)
[  921.200897] [<c029db94>] (device_shutdown+0x84/0xac) from [<c0074ed8>] (kernel_halt+0xc/0x24)
[  921.215179] [<c0074ed8>] (kernel_ha)t from [<c0075094>] (sys_reboot+0x15c/0x1ec)
[  921.229309] [<c0075094>] (sys_reboot+0x15c/0x1ec) from [<c0033a00>] (ret_fast_syscall+0x0/0x2c)
[  921.243927] Code: e1a01000 e59f000c eb0fd235000 (e5833000) 
[  921.258483] OMAPFB: pan_display(0)
[  921.267669] OMAPFB: setcmap
[  921.276062] OMAPFB: setcmap
[  921.297393] OMAPFB: setcmap
[  921.305725] ---[ end trace 99e3d6f6
                                      0Segmentation fault

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

-- 
kernel BUG at /build/buildd/linux-ti-omap-2.6.33/drivers/video/omap2/dss/core.c:323! 
https://bugs.launchpad.net/bugs/588243
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