Comment # 2
on bug 87553
from d.lecardez@gmail.com
HP Laptop hp dv6 with ATI Mobility Radeon HD 5000 Series When I boot fc21, 90% of the times, it hangs at screen mmessage: [drm] Loading REDWOOD microcode For the remaining 10% everything works fine. This sympthom appeared in fc19 starting with kernels 3.10.X and has always been present in fc20 inany versions. One of the workaround is to boot in 'nomodeset' then manualy perform a 'modprobe radeon modeset=1' Full trace as attachment. Most of the time this solves the problem, but sometimes it also fails. In this situation, as I'm already booted, I can get traces in /var/log/messages ThiDec 19 20:05:19 localhost kernel: [ 153.615554] Call Trace: Dec 19 20:05:19 localhost kernel: [ 153.615799] [<f9e7312e>] ? radeon_ring_lock+0x2e/0x50 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.616047] [<f9f1f66e>] uvd_v1_0_ring_test+0x4e/0x150 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.616272] [<c06e258e>] ? __const_udelay+0x1e/0x20 Dec 19 20:05:19 localhost kernel: [ 153.616520] [<f9f1f21a>] ? uvd_v1_0_start+0x1ea/0x380 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.616770] [<f9f1f44a>] uvd_v1_0_init+0x9a/0x190 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.617024] [<f9eb385e>] evergreen_startup+0x1b0e/0x1b20 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.617278] [<f9eb3ad5>] evergreen_init+0x1c5/0x370 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.617525] [<f9e42184>] radeon_device_init+0x924/0xaf0 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.617769] [<f9e40400>] ? cail_mc_write+0x20/0x20 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.618010] [<f9e4468a>] radeon_driver_load_kms+0x8a/0x1f0 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.618359] [<f7ce377e>] drm_dev_register+0x8e/0xd0 [drm] Dec 19 20:05:19 localhost kernel: [ 153.618599] [<f7ce60c9>] drm_get_pci_dev+0x79/0x1c0 [drm] Dec 19 20:05:19 localhost kernel: [ 153.618821] [<c05793e5>] ? kmem_cache_alloc_trace+0x195/0x1c0 Dec 19 20:05:19 localhost kernel: [ 153.619068] [<f9e4034e>] ? radeon_pci_probe+0x6e/0xa0 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.619309] [<f9e4035c>] radeon_pci_probe+0x7c/0xa0 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.619533] [<c07177ff>] pci_device_probe+0x6f/0xd0 Dec 19 20:05:19 localhost kernel: [ 153.619755] [<c05f3195>] ? sysfs_create_link+0x25/0x50 Dec 19 20:05:19 localhost kernel: [ 153.619975] [<c07cfbe3>] driver_probe_device+0x93/0x3b0 Dec 19 20:05:19 localhost kernel: [ 153.620198] [<c05f2ea7>] ? sysfs_create_dir_ns+0x37/0x90 Dec 19 20:05:19 localhost kernel: [ 153.620421] [<c0717741>] ? pci_match_device+0xc1/0xe0 Dec 19 20:05:19 localhost kernel: [ 153.620638] [<c07cffb9>] __driver_attach+0x79/0x80 Dec 19 20:05:19 localhost kernel: [ 153.620859] [<c07cff40>] ? __device_attach+0x40/0x40 Dec 19 20:05:19 localhost kernel: [ 153.621075] [<c07cde57>] bus_for_each_dev+0x57/0xa0 Dec 19 20:05:19 localhost kernel: [ 153.621322] [<c07cf6ee>] driver_attach+0x1e/0x20 Dec 19 20:05:19 localhost kernel: [ 153.621548] [<c07cff40>] ? __device_attach+0x40/0x40 Dec 19 20:05:19 localhost kernel: [ 153.621769] [<c07cf337>] bus_add_driver+0x167/0x240 Dec 19 20:05:19 localhost kernel: [ 153.621990] [<f9f92000>] ? 0xf9f92000 Dec 19 20:05:19 localhost kernel: [ 153.622210] [<f9f92000>] ? 0xf9f92000 Dec 19 20:05:19 localhost kernel: [ 153.622428] [<c07d06cd>] driver_register+0x5d/0xf0 Dec 19 20:05:19 localhost kernel: [ 153.622650] [<c0716063>] __pci_register_driver+0x33/0x40 Dec 19 20:05:19 localhost kernel: [ 153.622879] [<f7ce62fd>] drm_pci_init+0xed/0x110 [drm] Dec 19 20:05:19 localhost kernel: [ 153.623100] [<f9f92000>] ? 0xf9f92000 Dec 19 20:05:19 localhost kernel: [ 153.623338] [<f9f9208d>] radeon_init+0x8d/0xa8 [radeon] Dec 19 20:05:19 localhost kernel: [ 153.623555] [<c0400496>] do_one_initcall+0xc6/0x200 Dec 19 20:05:19 localhost kernel: [ 153.623778] [<f9f92000>] ? 0xf9f92000 Dec 19 20:05:19 localhost kernel: [ 153.623996] [<c0564928>] ? lazy_max_pages+0x18/0x30 Dec 19 20:05:19 localhost kernel: [ 153.624321] [<c0566895>] ? __vunmap+0xa5/0xf0 Dec 19 20:05:19 localhost kernel: [ 153.624553] [<c0566895>] ? __vunmap+0xa5/0xf0 Dec 19 20:05:19 localhost kernel: [ 153.624773] [<c04caa2b>] load_module+0x1ebb/0x23f0 Dec 19 20:05:19 localhost kernel: [ 153.624997] [<c04cb00f>] SyS_init_module+0xaf/0x120 Dec 19 20:05:19 localhost kernel: [ 153.625222] [<c0a45c1f>] sysenter_do_call+0x12/0x12 Dec 19 20:05:19 localhost kernel: [ 153.630317] Code: 90 66 90 66 90 90 55 89 e5 56 53 83 ec 0c 66 66 66 66 90 89 c3 8b 40 2c 85 c0 7e 2a 8b 43 1c 8b 4b 04 8d 70 01 8d 04 81 89 73 1c <89> 10 8b 43 4c 83 6b 2c 01 21 43 1c 83 6b 28 01 83 c4 0c 5b 5e Dec 19 20:05:19 localhost kernel: [ 153.638171] EIP: [<f9e72ce5>] radeon_ring_write+0x25/0x60 [radeon] SS:ESP 0068:f3ba5b50 Dec 19 20:05:19 localhost kernel: [ 153.638744] CR2: 00000000ff846000 Dec 19 20:05:19 localhost kernel: [ 153.638959] ---[ end trace 4f07e3ff097194e7 ]--- s is a kernel stack extract of what happens after performing 'modprobe'
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