From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Joe Woodward" Subject: Re: Problems with 3.4-rc5 Date: Wed, 02 May 2012 13:46:38 +0100 Message-ID: References: <4FA12775.1090206@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Received: from smtp1.keele.netcentral.co.uk ([212.57.235.197]:38029 "EHLO smtp3.keele.netcentral.co.uk" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753797Ab2EBMqy (ORCPT ); Wed, 2 May 2012 08:46:54 -0400 In-Reply-To: <4FA12775.1090206@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Archit Taneja Cc: linux-omap@vger.kernel.org -----Original Message----- From: Archit Taneja To: Joe Woodward Cc: Date: Wed, 2 May 2012 17:54:21 +0530 Subject: Re: Problems with 3.4-rc5 > Hi, > > On Wednesday 02 May 2012 05:22 PM, Joe Woodward wrote: > > I've just given 3.4-rc5 a quick run-through on my GUMSTIX Overo > (AM3703), and have noticed a couple of issues... > > > > Firstly, it fails to build "drivers/mfd/omap-usb-host.c" if you have: > > > > CONFIG_USB_EHCI_HCD=m > > CONFIG_USB_EHCI_ROOT_HUB_TT=y > > CONFIG_USB_EHCI_TT_NEWSCHED=y > > CONFIG_USB_EHCI_HCD_OMAP=y > > > > drivers/mfd/omap-usb-host.c: In function 'omap_usbhs_init': > > drivers/mfd/omap-usb-host.c:524:3: error: implicit declaration of > function 'cpu_is_omap3430' > > drivers/mfd/omap-usb-host.c:524:3: error: implicit declaration of > function 'omap_rev' > > drivers/mfd/omap-usb-host.c:524:43: error: 'OMAP3430_REV_ES2_1' > undeclared (first use in this function) > > drivers/mfd/omap-usb-host.c:524:43: note: each undeclared identifier > is reported only once for each function it appears in > > > > I'm assuming this has been spotted and I've missed the fix (just a > missing include?). > > > > Secondly, I get the following when booted: > > ... > > [ 4.701232] devtmpfs: mounted > > [ 4.704772] Freeing init memory: 168K > > [ 4.827301] omapdss DISPC error: FIFO UNDERFLOW on gfx, disabling > the overlay > > ... > > > > Could you add some dss debug prints? You can add "omapdss.debug=1 > debug" > in the bootargs to get that. > > There was a feature called fifo merge added in 3.4, this might lead to > underflow, we had tested this using a DVI monitor on beagle but didn't > see any underflows. > > Are you trying this out on 3.4 for the first time? What was the last > kernel revision on which you tested this and didn't see any issues? See below for a more complete trace with debug enabled. I have been using 3.3.0, which doesn't give me any DSS underflow problems at all. And yes, this is the first time I've tried anything 3.4-based. For reference, I'm running from a RAM-based file system which is the same as I use on 3.3.0. Cheers, Joe Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0 [ 0.000000] Linux version 3.4.0-rc5 (joe@joe-VirtualBox) (gcc version 4.5.1 (Sourcery G++ Lite 2010.09-50) ) #4 SMP Wed May 2 12:43:38 BST 2012 [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine: Gumstix Overo [ 0.000000] Reserving 8388608 bytes SDRAM for VRAM [ 0.000000] Memory policy: ECC disabled, Data cache writeback [ 0.000000] On node 0 totalpages: 128768 [ 0.000000] free_area_init_node: node 0, pgdat c06f4740, node_mem_map c7000000 [ 0.000000] Normal zone: 1024 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 127744 pages, LIFO batch:31 [ 0.000000] OMAP3630 ES1.2 (l2cache neon isp 192mhz_clk ) [ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz [ 0.000000] PERCPU: Embedded 8 pages/cpu @c7408000 s11520 r8192 d13056 u32768 [ 0.000000] pcpu-alloc: s11520 r8192 d13056 u32768 alloc=8*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 127744 [ 0.000000] Kernel command line: console=ttyO2,115200 omapfb.rotate=0 omapdss.debug=1 debug root=/dev/ram0 rw ramdisk_size=98304 initrd=0x81000000,96M rootfstype=squashfs [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Memory: 503MB = 503MB total [ 0.000000] Memory: 399616k/399616k available, 124672k reserved, 0K highmem [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB) [ 0.000000] vmalloc : 0xe0800000 - 0xff000000 ( 488 MB) [ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB) [ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB) [ 0.000000] .text : 0xc0008000 - 0xc0614f30 (6196 kB) [ 0.000000] .init : 0xc0615000 - 0xc0662d00 ( 312 kB) [ 0.000000] .data : 0xc0664000 - 0xc06f63d8 ( 585 kB) [ 0.000000] .bss : 0xc06f63fc - 0xc0c4c020 (5464 kB) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] NR_IRQS:474 [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 4.0) with 96 interrupts [ 0.000000] Total of 96 interrupts on 1 active controller [ 0.000000] OMAP clockevent source: GPTIMER1 at 32768 Hz [ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 131071999ms [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 3695 kB [ 0.000000] per task-struct memory footprint: 1152 bytes [ 0.000854] Calibrating delay loop... 597.64 BogoMIPS (lpj=2334720) [ 0.085968] pid_max: default: 32768 minimum: 301 [ 0.086669] Security Framework initialized [ 0.086944] Mount-cache hash table entries: 512 [ 0.091857] CPU: Testing write buffer coherency: ok [ 0.092712] CPU0: thread -1, cpu 0, socket -1, mpidr 0 [ 0.092773] Setting up static identity map for 0x80469f88 - 0x80469ff8 [ 0.094421] Brought up 1 CPUs [ 0.094451] SMP: Total of 1 processors activated (597.64 BogoMIPS). [ 0.097656] devtmpfs: initialized [ 0.107910] ttyO2 used as console in debug mode uart2 clocks will not be gated [ 0.117309] dummy: [ 0.119415] NET: Registered protocol family 16 [ 0.120605] GPMC revision 5.0 [ 0.129852] gpiochip_add: registered GPIOs 0 to 31 on device: gpio [ 0.130371] OMAP GPIO hardware version 2.5 [ 0.131469] gpiochip_add: registered GPIOs 32 to 63 on device: gpio [ 0.133270] gpiochip_add: registered GPIOs 64 to 95 on device: gpio [ 0.134704] gpiochip_add: registered GPIOs 96 to 127 on device: gpio [ 0.136108] gpiochip_add: registered GPIOs 128 to 159 on device: gpio [ 0.137481] gpiochip_add: registered GPIOs 160 to 191 on device: gpio [ 0.144836] omap_mux_init: Add partition: #1: core, flags: 0 [ 0.159606] Reprogramming SDRC clock to 400000000 Hz [ 0.159637] dpll3_m2_clk rate change failed: -22 [ 0.159637] NAND: Unable to find configuration in GPMC [ 0.159637] [ 0.174530] hw-breakpoint: debug architecture 0x4 unsupported. [ 0.189086] omap-mcbsp.2: alias fck already exists [ 0.189849] omap-mcbsp.3: alias fck already exists [ 0.194091] OMAP DMA hardware revision 5.0 [ 0.261291] bio: create slab at 0 [ 0.264801] fixed-dummy: [ 0.266174] vads7846: 3300 mV [ 0.271728] SCSI subsystem initialized [ 0.273986] omap2_mcspi omap2_mcspi.1: master is unqueued, this is deprecated [ 0.276733] omap2_mcspi omap2_mcspi.2: master is unqueued, this is deprecated [ 0.277862] omap2_mcspi omap2_mcspi.3: master is unqueued, this is deprecated [ 0.278961] omap2_mcspi omap2_mcspi.4: master is unqueued, this is deprecated [ 0.282440] usbcore: registered new interface driver usbfs [ 0.283477] usbcore: registered new interface driver hub [ 0.284118] usbcore: registered new device driver usb [ 0.297576] omap_i2c omap_i2c.1: bus 1 rev1.4.0 at 2600 kHz [ 0.307006] twl 1-0048: PIH (irq 7) chaining IRQs 320..328 [ 0.307647] twl 1-0048: power (irq 325) chaining IRQs 328..335 [ 0.310028] twl4030_gpio twl4030_gpio: gpio (irq 320) chaining IRQs 336..353 [ 0.311431] gpiochip_add: registered GPIOs 192 to 211 on device: twl4030 [ 0.317047] VMMC1: 1850 <--> 3150 mV at 3150 mV normal standby [ 0.319335] VDAC: 1800 mV normal standby [ 0.321685] VDVI: 1800 mV normal standby [ 0.336181] omap_i2c omap_i2c.3: bus 3 rev1.4.0 at 400 kHz [ 0.344543] Switching to clocksource 32k_counter [ 0.467407] NET: Registered protocol family 2 [ 0.468292] IP route cache hash table entries: 4096 (order: 2, 16384 bytes) [ 0.470916] TCP established hash table entries: 16384 (order: 5, 131072 bytes) [ 0.471618] TCP bind hash table entries: 16384 (order: 7, 589824 bytes) [ 0.480651] TCP: Hash tables configured (established 16384 bind 16384) [ 0.480743] TCP: reno registered [ 0.480804] UDP hash table entries: 256 (order: 2, 20480 bytes) [ 0.481109] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes) [ 0.482086] NET: Registered protocol family 1 [ 0.483520] RPC: Registered named UNIX socket transport module. [ 0.483551] RPC: Registered udp transport module. [ 0.483581] RPC: Registered tcp transport module. [ 0.483581] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.484374] Trying to unpack rootfs image as initramfs... [ 0.485504] rootfs image is not initramfs (junk in compressed archive); looks like an initrd [ 1.099151] Freeing initrd memory: 98304K [ 1.099334] NetWinder Floating Point Emulator V0.97 (double precision) [ 1.263275] VFS: Disk quotas dquot_6.5.2 [ 1.263610] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 1.265106] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 1.265289] NFS: Registering the id_resolver key type [ 1.267211] msgmni has been set to 972 [ 1.270568] io scheduler noop registered [ 1.270599] io scheduler deadline registered [ 1.270812] io scheduler cfq registered (default) [ 1.275726] omapdss DSS: dss_runtime_get [ 1.275787] omapdss DSS: dss_restore_context [ 1.275817] OMAP DSS rev 2.0 [ 1.275817] omapdss DSS: dss_runtime_put [ 1.275878] omapdss DSS: dss_save_context [ 1.275909] omapdss DSS: context saved [ 1.276794] omapdss DISPC: dispc_runtime_get [ 1.276855] omapdss DSS: dss_runtime_get [ 1.276885] omapdss DSS: dss_restore_context [ 1.276885] omapdss DSS: context restored [ 1.276916] omapdss DISPC: dispc_restore_context [ 1.277099] omapdss DISPC: dispc_runtime_put [ 1.277130] omapdss DISPC: dispc_save_context [ 1.277191] omapdss DISPC: context saved, ctx_loss_count 0 [ 1.277221] omapdss DSS: dss_runtime_put [ 1.277252] omapdss DSS: dss_save_context [ 1.277252] omapdss DSS: context saved [ 1.278137] omapdss RFBI: rfbi_runtime_get [ 1.278198] omapdss DSS: dss_runtime_get [ 1.278228] omapdss DSS: dss_restore_context [ 1.278228] omapdss DSS: context restored [ 1.278259] omapdss DISPC: dispc_runtime_get [ 1.278289] omapdss DSS: dss_runtime_get [ 1.278289] omapdss DISPC: dispc_restore_context [ 1.298217] omapdss RFBI: rfbi_runtime_put [ 1.298278] omapdss DISPC: dispc_runtime_put [ 1.298309] omapdss DISPC: dispc_save_context [ 1.298370] omapdss DISPC: context saved, ctx_loss_count 0 [ 1.298370] omapdss DSS: dss_runtime_put [ 1.298431] omapdss DSS: dss_runtime_put [ 1.298461] omapdss DSS: dss_save_context [ 1.298461] omapdss DSS: context saved [ 1.299285] omapdss VENC: venc_runtime_get [ 1.299316] omapdss DSS: dss_runtime_get [ 1.299377] omapdss DSS: dss_restore_context [ 1.299377] omapdss DSS: context restored [ 1.299407] omapdss DISPC: dispc_runtime_get [ 1.299438] omapdss DSS: dss_runtime_get [ 1.299438] omapdss DISPC: dispc_restore_context [ 1.299468] omapdss VENC: venc_runtime_put [ 1.299530] omapdss CORE: bus_match. dev display0/generic_dpi_panel, drv venc [ 1.300079] omapdss DISPC: dispc_runtime_put [ 1.300079] omapdss DISPC: dispc_save_context [ 1.300140] omapdss DISPC: context saved, ctx_loss_count 0 [ 1.300170] omapdss DSS: dss_runtime_put [ 1.300201] omapdss DSS: dss_runtime_put [ 1.300231] omapdss DSS: dss_save_context [ 1.300231] omapdss DSS: context saved [ 1.301147] omapdss DSI: dsi_runtime_get [ 1.301208] omapdss DSS: dss_runtime_get [ 1.301239] omapdss DSS: dss_restore_context [ 1.301239] omapdss DSS: context restored [ 1.301269] omapdss DISPC: dispc_runtime_get [ 1.301300] omapdss DSS: dss_runtime_get [ 1.301300] omapdss DISPC: dispc_restore_context [ 1.301330] omapdss DSI: dsi_runtime_put [ 1.301391] omapdss DISPC: dispc_runtime_put [ 1.301422] omapdss DISPC: dispc_save_context [ 1.301452] omapdss DISPC: context saved, ctx_loss_count 0 [ 1.301483] omapdss DSS: dss_runtime_put [ 1.301513] omapdss DSS: dss_runtime_put [ 1.301544] omapdss DSS: dss_save_context [ 1.301544] omapdss DSS: context saved [ 1.302825] omapdss CORE: bus_match. dev display0/generic_dpi_panel, drv generic_dpi_panel [ 1.302917] omapdss CORE: driver_probe: dev display0/generic_dpi_panel, drv generic_dpi_panel [ 1.302917] omapdss DPI: init_display [ 1.303833] omapdss DISPC: dispc_runtime_get [ 1.303894] omapdss DSS: dss_runtime_get [ 1.303924] omapdss DSS: dss_restore_context [ 1.303955] omapdss DSS: context restored [ 1.303955] omapdss DISPC: dispc_restore_context [ 1.304077] omapdss DISPC: dispc_runtime_put [ 1.304107] omapdss DISPC: dispc_save_context [ 1.304168] omapdss DISPC: context saved, ctx_loss_count 0 [ 1.304199] omapdss DSS: dss_runtime_put [ 1.304199] omapdss DSS: dss_save_context [ 1.304229] omapdss DSS: context saved [ 1.304290] omapdss CORE: probe done for device display0 [ 1.305816] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.313018] omap_uart.0: ttyO0 at MMIO 0x4806a000 (irq = 72) is a OMAP UART0 [ 1.315521] omap_uart.1: ttyO1 at MMIO 0x4806c000 (irq = 73) is a OMAP UART1 [ 1.317077] omap_uart.2: ttyO2 at MMIO 0x49020000 (irq = 74) is a OMAP UART2 [ 2.428833] console [ttyO2] enabled [ 2.434326] omap_uart.3: ttyO3 at MMIO 0x49042000 (irq = 80) is a OMAP UART3 [ 2.478302] brd: module loaded [ 2.502929] loop: module loaded [ 2.514190] mtdoops: mtd device (mtddev=name/number) must be supplied [ 2.522094] OneNAND driver initializing [ 2.532806] smsc911x: Driver version 2008-10-21 [ 2.539978] smsc911x: Driver version 2008-10-21 [ 2.547790] usbcore: registered new interface driver asix [ 2.554199] usbcore: registered new interface driver cdc_ether [ 2.561004] usbcore: registered new interface driver net1080 [ 2.567596] usbcore: registered new interface driver cdc_subset [ 2.574432] usbcore: registered new interface driver zaurus [ 2.580963] usbcore: registered new interface driver cdc_ncm [ 2.589324] usbcore: registered new interface driver cdc_wdm [ 2.595428] Initializing USB Mass Storage driver... [ 2.601165] usbcore: registered new interface driver usb-storage [ 2.607635] USB Mass Storage support registered. [ 2.613677] usbcore: registered new interface driver libusual [ 2.620452] usbcore: registered new interface driver usbtest [ 2.628662] mousedev: PS/2 mouse device common for all mice [ 2.639648] ads7846 spi1.0: touchscreen, irq 210 [ 2.647399] input: ADS7846 Touchscreen as /devices/platform/omap2_mcspi.1/spi_master/spi1/spi1.0/input/input0 [ 2.663818] input: twl4030_pwrbutton as /devices/platform/omap_i2c.1/i2c-1/1-0049/twl4030_pwrbutton/input/input1 [ 2.676635] twl_rtc twl_rtc: Power up reset detected. [ 2.682312] twl_rtc twl_rtc: Enabling TWL-RTC [ 2.691192] twl_rtc twl_rtc: rtc core: registered twl_rtc as rtc0 [ 2.699127] i2c /dev entries driver [ 2.706207] Driver for 1-wire Dallas network protocol. [ 2.715270] omap_wdt: OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec [ 2.723785] twl4030_wdt twl4030_wdt: Failed to register misc device [ 2.730621] twl4030_wdt: probe of twl4030_wdt failed with error -16 [ 2.963989] usbcore: registered new interface driver usbhid [ 2.969879] usbhid: USB HID core driver [ 2.974090] oprofile: hardware counters not available [ 2.979461] oprofile: using timer interrupt. [ 2.984863] TCP: cubic registered [ 2.988464] Initializing XFRM netlink socket [ 2.993103] NET: Registered protocol family 17 [ 2.997955] NET: Registered protocol family 15 [ 3.003479] Registering the dns_resolver key type [ 3.008728] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 [ 3.017059] ThumbEE CPU extension supported. [ 3.065826] clock: disabling unused clocks to save power [ 3.085449] omapdss APPLY: omap_dss_mgr_apply(lcd) [ 3.089996] Console: switching to colour frame buffer device 100x30 [ 3.108276] omapdss APPLY: omap_dss_mgr_apply(lcd) [ 3.113586] omapdss APPLY: omap_dss_mgr_apply(lcd) [ 3.118713] omapdss APPLY: omap_dss_mgr_apply(tv) [ 3.123962] omapdss DSS: dss_runtime_get [ 3.128295] omapdss DSS: dss_restore_context [ 3.132812] omapdss DSS: context restored [ 3.137084] omapdss DISPC: dispc_runtime_get [ 3.141601] omapdss DSS: dss_runtime_get [ 3.145812] omapdss DISPC: dispc_restore_context [ 3.150726] omapdss DISPC: onoff 0 rf 0 ieo 0 ipc 0 ihs 1 ivs 1 acbi 0 acb 0 [ 3.158264] omapdss DSS: dpll4_m4 = 864000000 [ 3.162872] omapdss DSS: fck = 36000000 (24) [ 3.167419] omapdss DISPC: lck = 36000000 (1) [ 3.172027] omapdss DISPC: pck = 36000000 (1) [ 3.176666] omapdss DISPC: channel 0 xres 800 yres 480 [ 3.182128] omapdss DISPC: pck 36000 [ 3.185913] omapdss DISPC: hsw 10 hfp 164 hbp 89 vsw 10 vfp 10 vbp 23 [ 3.192749] omapdss DISPC: hsync 33866Hz, vsync 64Hz [ 3.200042] omapdss DISPC: FIFO merge enabled [ 3.204620] omapdss APPLY: dss_mgr_write_regs(0) [ 3.209503] omapdss APPLY: dss_ovl_write_regs(0) [ 3.214385] omapdss DISPC: dispc_ovl_setup 0, pa 9f800000, pa_uv 0, sw 800, 0,0, 800x480 -> 800x480, cmode 40, rot 0, mir 0, ilace 0 chan 0 repl 1 [ 3.228240] omapdss DISPC: calc_rot(0): scrw 800, 800x480 [ 3.233917] omapdss DISPC: offset0 0, offset1 0, row_inc 1, pix_inc 1 [ 3.240722] omapdss DISPC: 0,0 800x480 -> 800x480 [ 3.245697] omapdss APPLY: dss_ovl_write_regs_extra(0) [ 3.251098] omapdss DISPC: dispc_enable_plane 0, 1 [ 3.256164] omapdss DISPC: fifo(0) threshold (bytes), old 960/1023, new 896/3008 [ 3.263977] omapdss APPLY: dss_ovl_write_regs(1) [ 3.268829] omapdss APPLY: dss_ovl_write_regs_extra(1) [ 3.274261] omapdss DISPC: dispc_enable_plane 1, 0 [ 3.279296] omapdss DISPC: fifo(1) threshold (bytes), old 960/1023, new 0/0 [ 3.286651] omapdss APPLY: dss_ovl_write_regs(2) [ 3.291503] omapdss APPLY: dss_ovl_write_regs_extra(2) [ 3.296936] omapdss DISPC: dispc_enable_plane 2, 0 [ 3.302001] omapdss DISPC: fifo(2) threshold (bytes), old 960/1023, new 0/0 [ 3.317657] VDAC: incomplete constraints, leaving on [ 3.325897] input: gpio-keys as /devices/platform/gpio-keys/input/input2 [ 3.340087] twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:10 UTC (946684810) [ 3.352264] RAMDISK: squashfs filesystem found at block 0 [ 3.358154] RAMDISK: Loading 49972KiB [1 disk] into ram disk... \ [ 3.450561] mmc0: host does not support reading read-only switch. assuming write-enable. [ 3.459838] | [ 3.470581] mmc0: new high speed SDHC card at address 0001 [ 3.478485] \ [ 3.487304] mmcblk0: mmc0:0001 00000 29.2 GiB [ 3.493865] - [ 3.516296] mmcblk0: p1 [ 3.521087] / [ 3.610717] mmc1: new SDIO card at address 0001 [ 3.616546] done. [ 5.950683] VFS: Mounted root (squashfs filesystem) readonly on device 1:0. [ 5.960449] devtmpfs: mounted [ 5.964263] Freeing init memory: 308K [ 6.123443] DISPC IRQ: 0x100e2: GFX_FIFO_UNDERFLOW [ 6.129302] omapdss DISPC: dispc_runtime_get [ 6.133819] omapdss DISPC error: FIFO UNDERFLOW on gfx, disabling the overlay [ 6.141662] omapdss DISPC: dispc_enable_plane 0, 0 [ 6.146759] omapdss DISPC: GO LCD [ 6.200408] omapdss DISPC: dispc_runtime_put Starting logging: OK Populating using udev: done [ 6.435211] udevd[575]: starting version 175 > > Thanks, > Archit > > > Which means that the display doesn't work. > > > > I am currently running 3.3, which works just fine and doesn't give an > underflow. > > > > So was wondering what changes have been made that may affect this? > There were problems in the 3.2-era due to runtime- > > PM causing a similar issue, has anything changed around here again? > > > > (as a side not: the panel I use is a custom 800x480 added to > panel-generic-dpi.c, with board-overo.c updated to use it). > > > > Cheers, > > Joe Woodward > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-omap" > in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" > in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html