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[Bug 727620] Re: [Radeon HD 5650 and 5470] Kernel BUG during recovery boot and in normal boot (Hybrid graphics)

 

Here's what I got as an error with bisect 011:

[  29.400514] Stack:
[  29.400524]  ffff88014d4dfc38 ffffffffa01c7303 ffff88014d4dfc08 00000631815dd48e
[  29.400561]  ffff88014d4dfc38 ffff88013f2b3240 0000000000000002 ffff880143a60968
[  29.400595]  ffff880143a60560 ffff88014db00148 ffff88014d4dfc58 ffffffffa01c4e41
[  29.400630] Call Trace:
[  29.400653]  [<ffffffffa01c7303>] radeon_gart_unbind+0xf3/0x160 [radeon]
[  29.400687]  [<ffffffffa01c4e41>] radeon_ttm_backend_unbind+0x21/0x30 [radeon]
[  29.400717]  [<ffffffffa016591f>] ttm_tt_unbind+0x2f/0x50 [ttm]
[  29.400741]  [<ffffffffa0165c52>] ttm_bo_cleanup_memtype_use+0x22/0x90 [ttm]
[  29.400769]  [<ffffffffa0166f21>] ttm_bo_cleanup_refs_or_queue+0x190/0x190
[  29.400798]  [<ffffffffa0166fdb>] ttm_bo_release+0x9b/0xd0 [ttm]
[  29.400822]  [<ffffffffa0166f40>] ? ttm_bo_cleanup_refs_or_queue+0x190/0x190
[  29.400852]  [<ffffffff812d9dc6>] kref_put+0x36/0x70
[  29.400873]  [<ffffffffa01660de>] ttm_bo_unref+0x3e/0x50 [ttm]
[  29.400904]  [<ffffffffa01c63e7>] radeon_bo_unref+0x47/0x80 [radeon]
[  29.400937]  [<ffffffffa012df30>] ? drm_gem_object_release+0x20/0x20 [drm]
[  29.400971]  [<ffffffffa01ddb46>] radeon_gem_object_free+0x26/0x30 [radeon]
[  29.401000]  [<ffffffffa012df5a>] drm_gem_object_free+0x2a/0x30 [drm]
[  29.401024]  [<ffffffff812d9dc6>] kref_put+0x36/0x70
[  29.401052]  [<ffffffffa01d5994>] radeon_user_framebuffer_destroy+0x44/0x70 [radeon]
[  29.401085]  [<ffffffffa013b983>] drm_fb_release+0x83/0xb0 [drm]
[  29.401112]  [<ffffffffa012d930>] drm_release+0x340/0x3e0 [drm]
[  29.401136]  [<ffffffff811631ee>] __fput+0xbe/0x210
[  29.402583]  [<ffffffff81163365>] fput+0x25/0x30
[  29.404042]  [<ffffffff8115f9f6>] flip_close+0x66/0x90
[  29.405462]  [<ffffffff8115fad4>] sys_close+0xb4/0x120
[  29.406859]  [<ffffffff815e5942>] system_call_fastpath+0x16/0x1b
[  29.408252] Code: ea ff ff ff 48 8b 8f 80 03 00 00 85 f6 78 21 3b b7 68 03 00 00 77 19 c1 e6 03 48 81 e2 00 f0 ff ff 48 63 f6 48 83 ca 67 48 01 f1
[  29.408451]  89 11 31 c0 5d c3 0f 1f 40 00 55 48 89 e5 53 48 83 ec 08 0f
[  29.411472] RIP  [<ffffffffa01f8495>] rs600_gart_set_page+0x35/0x40 [radeon]
[  29.412948]  RSP <ffff88014d4dfbe8>
[  29.414386] CR2: ffffc90011601088

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https://bugs.launchpad.net/bugs/727620

Title:
  [Radeon HD 5650 and 5470] Kernel BUG during recovery boot and in
  normal boot (Hybrid graphics)

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