* Alexander Shishkin <virtuoso@xxxxxxxxx> [090929 12:20]: > 2009/9/29 Tony Lindgren <tony@xxxxxxxxxxx>: > > * Felipe Contreras <felipe.contreras@xxxxxxxxx> [090929 10:24]: > >> On Mon, Sep 28, 2009 at 10:04 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote: > >> > Hi all, > >> > > >> > I've updated our linux-omap tree to v2.6.32-rc1. I've also > >> > added a branch omap-2.6.31 for the old code. > >> > > >> > This time I also nuked the remaining omap legacy code we > >> > still had lurking around :) The commits at the end of this > >> > mail describe what I did first as commits, then I merged > >> > everything to be the same as the mainline v2.6.32-rc1. > >> > > >> > So currently the linux-omap master branch is: > >> > > >> > v2.6.32-rc1 + omap-fixes + ehci + cbus > >> > > >> > The new model is that I'll be resetting the linux-omap master > >> > branch to mainline at each -rc, then merge in our various > >> > upstream queues back in again. > >> > >> Excellent! I was wondering why this wasn't being done. I certainly > >> hope linus' 2.6.32 will work on omap right away. > > > > Yeah, let's hope Tomi gets in the DSS2 code too. > > > >> Anyway, I haven't been able to make 2.6.31 boot on beagleboard, and > >> other people report similar issues: > >> http://www.spinics.net/lists/linux-omap/msg17968.html > >> > >> Have you got 2.6.32-rc1 (+fixes) to boot? > > > > Hmm, looks like it's musb again. This is what I get on my > > overo after applying the DEBUG_LL hack from omap-debug branch: > > > > <3>musb_hdrc musb_hdrc: musb_init_controller failed with status -19 > > <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 > > <1>pgd = c0004000 > > <1>[00000000] *pgd=00000000 > > Internal error: Oops: 5 [#1] > > <d>Modules linked in: > > CPU: 0 Not tainted (2.6.32-rc2-05967-gd350540-dirty #892) > > PC is at musb_free+0x68/0xb8 > > LR is at musb_free+0x34/0xb8 > > pc : [<c028a160>] lr : [<c028a12c>] psr: a0000013 > > sp : c781fe50 ip : 00000064 fp : 00000000 > > r10: 00000000 r9 : 00000000 r8 : c0557bc0 > > r7 : c7811000 r6 : c78110e8 r5 : c78110e8 r4 : 00000000 > > r3 : 00000000 r2 : 00000001 r1 : c04c95b6 r0 : ffffffed > > Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel > > Control: 10c5387d Table: 80004019 DAC: 00000017 > > Process swapper (pid: 1, stack limit = 0xc781e2f0) > > Stack: (0xc781fe50 to 0xc7820000) > > fe40: ffffffed 00000000 c78110e8 c001e8f8 > > fe60: c781fea4 c7804180 00000000 c7804184 c0533dc8 c0533dd0 0000005c d80ab000 > > fe80: c0533dac c7811190 00000000 c781fedc c0114ad8 c7806850 c0546248 c06d74e0 > > fea0: 00000000 c03cd5c8 00000000 c781ff00 c78b8de0 c0114cbc c78b8d80 c781ff00 > > fec0: c78b8de0 c0114864 c78b8d80 c781ff00 c78b8de0 c011493c c781ff00 c78b8de0 > > fee0: c78b8d80 00000000 c781ff00 c78b8de0 c787a210 00000001 00000000 c01157b4 > > ff00: c787a210 00000000 00000000 c0533dd0 c0533dd0 c055df04 c7873600 c0557bc0 > > ff20: 00000000 00000000 00000000 c0210b7c c0533dd0 c020fbd4 c0533dd0 c0533e04 > > ff40: c055df04 c7873600 c0557bc0 c020fce0 00000000 c020fc80 c055df04 c020f420 > > ff60: c7802d08 c787b240 c0026dd4 00000080 c055df04 c020ed38 c03f14f4 c03f14f4 > > ff80: c7820000 c0026dd4 c055def0 c055df04 00000000 00000000 00000000 c020ffb0 > > ffa0: c0026dd4 c055def0 c001dca0 00000000 00000000 c0210f70 c0026dd4 00000000 > > ffc0: c001dca0 c002d2b4 00000031 00000000 00000000 00000192 00000000 c0026dd4 > > ffe0: 00000000 00000000 00000000 c0008578 00000000 c002ee10 817fdf10 00bbff00 > > [<c028a160>] (musb_free+0x68/0xb8) from [<c001e8f8>] (musb_probe+0xab8/0xbb4) > > [<c001e8f8>] (musb_probe+0xab8/0xbb4) from [<c0210b7c>] (platform_drv_probe+0x1) > > [<c0210b7c>] (platform_drv_probe+0x18/0x1c) from [<c020fbd4>] (driver_probe_dev) > > [<c020fbd4>] (driver_probe_device+0xa0/0x14c) from [<c020fce0>] (__driver_attac) > > [<c020fce0>] (__driver_attach+0x60/0x84) from [<c020f420>] (bus_for_each_dev+0x) > > [<c020f420>] (bus_for_each_dev+0x44/0x74) from [<c020ed38>] (bus_add_driver+0xf) > > [<c020ed38>] (bus_add_driver+0xf4/0x278) from [<c020ffb0>] (driver_register+0xa) > > [<c020ffb0>] (driver_register+0xa8/0x130) from [<c0210f70>] (platform_driver_pr) > > [<c0210f70>] (platform_driver_probe+0x10/0x88) from [<c002d2b4>] (do_one_initca) > > [<c002d2b4>] (do_one_initcall+0x5c/0x1b4) from [<c0008578>] (kernel_init+0x90/0) > > [<c0008578>] (kernel_init+0x90/0x10c) from [<c002ee10>] (kernel_thread_exit+0x0) > > Code: e1a01005 ebf80722 e595309c e3a04000 (e5930000) > > <4>---[ end trace 1b75b31a2719ed1c ]--- > > <0>Kernel panic - not syncing: Attempted to kill init! > > > > After disabling musb, it boots further but can't mount root on the MMC: > > > > ... > > <4>regulator_init_complete: incomplete constraints, leaving VUSB1V8 on > > regulator_init_complete: incomplete constraints, leaving VUSB1V8 on > > <4>regulator_init_complete: incomplete constraints, leaving VUSB1V5 on > > regulator_init_complete: incomplete constraints, leaving VUSB1V5 on > > <4>regulator_init_complete: incomplete constraints, leaving VMMC1 on > > regulator_init_complete: incomplete constraints, leaving VMMC1 on > > <6>twl4030_rtc twl4030_rtc: setting system clock to 2000-01-01 00:00:00 UTC (94) > > twl4030_rtc twl4030_rtc: setting system clock to 2000-01-01 00:00:00 UTC (94668) > > <6>Waiting for root device /dev/mmcblk0p2... > > Waiting for root device /dev/mmcblk0p2... > > > > What are you getting with DEBUG_LL enabled and the associated patch applied > > from omap-debug branch? > MUSB enabled gives me the same backtrace. When I disable it, I get > (this is beagle B6): > > <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 > <1>pgd = c0004000 > <1>[00000000] *pgd=00000000 > Internal error: Oops: 805 [#1] > <d>Modules linked in: > CPU: 0 Tainted: G W (2.6.32-rc2-05968-g11ddc16 #7) > PC is at __mutex_lock_slowpath+0xe0/0x218 > LR is at __mutex_lock_slowpath+0xcc/0x218 > pc : [<c02967bc>] lr : [<c02967a8>] psr: 40000093 > sp : c7819e80 ip : 11111111 fp : c6d2e824 > r10: c6d2e800 r9 : c6d2e800 r8 : c7886c24 > r7 : c7817a40 r6 : 60000013 r5 : c7886c20 r4 : c7886c20 > r3 : 00000000 r2 : c7818000 r1 : c7819e80 r0 : c7886c20 > Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel > Control: 10c5387d Table: 80004019 DAC: 00000017 > Process swapper (pid: 1, stack limit = 0xc78182e8) > Stack: (0xc7819e80 to 0xc781a000) > 9e80: c7886c24 00000000 11111111 c7819e80 c6d2fd00 c7886c20 c6d2e800 00000000 > 9ea0: c7886c20 c7886c00 c6d2e800 c6d2e800 c6d2e824 c0296900 c6d2e800 c0197afc > 9ec0: c7886c00 00000000 c7886e68 00000000 c6d2e800 c0198f90 c6d369c8 00000000 > 9ee0: c7819f00 c6d36968 c7810518 69000001 7265746e 006c616e 00000000 00000000 > 9f00: c7810518 c0387d50 c0387d50 c03a0504 c03a0504 c03a4800 00000000 00000000 > 9f20: 00000000 c019b37c c0387d50 c01c009c c03a0504 c01bf0d4 00000000 c0387d50 > 9f40: c0387d84 c03a0504 c7819f60 c01bf204 00000000 c01bf1a4 c03a0504 c01be954 > 9f60: c7803af8 c7845970 c03a4800 c0022890 c03a0504 c03a0504 c6d30cc0 c01be1f8 > 9f80: c0315ab2 c00187a0 c6d30d40 c0022890 c0022948 c03a0504 00000000 00000000 > 9fa0: 00000000 c01bf508 c0022890 c0022948 c00187fc 00000000 00000000 c00272b4 > 9fc0: 00000000 00000192 c038ba20 00000000 00000000 c0022890 c0022948 00000000 > 9fe0: 00000000 c0008584 00000000 00000000 00000000 c0028d80 853bee50 007b4fa4 > [<c02967bc>] (__mutex_lock_slowpath+0xe0/0x218) from [<c0296900>] > (mutex_lock+0xc/0x1c) > [<c0296900>] (mutex_lock+0xc/0x1c) from [<c0197afc>] > (set_fb_fix+0x30/0xbc) > [<c0197afc>] (set_fb_fix+0x30/0xbc) from [<c0198f90>] > (omapfb_do_probe+0x404/0x858) > [<c0198f90>] (omapfb_do_probe+0x404/0x858) from [<c019b37c>] > (omap3beagle_panel_probe+0x10/0x20) > [<c019b37c>] (omap3beagle_panel_probe+0x10/0x20) from [<c01c009c>] > (platform_drv_probe+0x1c/0x24) > [<c01c009c>] (platform_drv_probe+0x1c/0x24) from [<c01bf0d4>] > (driver_probe_device+0xa4/0x174) > [<c01bf0d4>] (driver_probe_device+0xa4/0x174) from [<c01bf204>] > (__driver_attach+0x60/0x84) > [<c01bf204>] (__driver_attach+0x60/0x84) from [<c01be954>] > (bus_for_each_dev+0x4c/0x8c) > [<c01be954>] (bus_for_each_dev+0x4c/0x8c) from [<c01be1f8>] > (bus_add_driver+0xa0/0x218) > [<c01be1f8>] (bus_add_driver+0xa0/0x218) from [<c01bf508>] > (driver_register+0xbc/0x148) > [<c01bf508>] (driver_register+0xbc/0x148) from [<c00272b4>] > (do_one_initcall+0x5c/0x1bc) > [<c00272b4>] (do_one_initcall+0x5c/0x1bc) from [<c0008584>] > (kernel_init+0x94/0x110) > [<c0008584>] (kernel_init+0x94/0x110) from [<c0028d80>] > (kernel_thread_exit+0x0/0x8) > Code: e2858004 e585d008 e58d8000 e58d3004 (e583d000) > <4>---[ end trace da227214a82491b8 ]--- Maybe try Sergio's "omapfb: Condition mutex acquisition" patch: http://patchwork.kernel.org/patch/50551/ Does that help? Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
