[Bug 55311] Since 3.7.1-17.1 radeon has no backlight when using vgaswitcheroo (regression)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=55311

--- Comment #65 from Aximab <laurent.debian at gmail.com> ---
Well guys sorry to be a an atmosphere killer but I still get kernel OOPS each
time I try to switch to the radeon driver (kernel 3.11rc5) ...
Should I open a specific BUG report ? 




Here is the log just following the echo DIS > bla command (in console) : 
 radeon: switched on
 radeon 0000:01:00.0: power state changed by ACPI to D0
 [drm] PCIE GART of 512M enabled (table at 0x000000000025D000).
 radeon 0000:01:00.0: WB enabled
 radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00
and cpu addr 0xffff8801518e4c00
 radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c
and cpu addr 0xffff8801518e4c0c
radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and
cpu addr 0xffffc9000929c418
[drm] ring test on 0 succeeded in 2 usecs
[drm] ring test on 3 succeeded in 1 usecs
 BUG: unable to handle kernel paging request at ffff880151b72000
 IP: [<ffffffffa0691d1b>] radeon_ring_write+0x33/0x44 [radeon]
PGD 1873067 PUD 1876067 PMD 134e67063 PTE 8000000151b72161
 Oops: 0003 [#1] SMP 
 Modules linked in: parport_pc ppdev bnep lp parport rfcomm
cpufreq_conservative cpufreq_userspace cpufreq_powersave cpufreq_stats
binfmt_misc uinput nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache
sunrpc loop fuse radeon i915 arc4 brcmsmac ttm cordic brcmutil drm_kms_helper
b43 drm snd_hda_codec_hdmi mac80211 snd_hda_codec_idt snd_hda_intel
snd_hda_codec snd_hwdep snd_pcm cfg80211 snd_page_alloc btusb uvcvideo
videobuf2_vmalloc videobuf2_memops videobuf2_core bluetooth videodev snd_seq
ssb mmc_core mei_me media snd_seq_device snd_timer snd rng_core coretemp pcmcia
joydev psmouse iTCO_wdt mei hp_wmi acpi_cpufreq pcmcia_core microcode i2c_i801
hp_accel sparse_keymap iTCO_vendor_support mperf lpc_ich soundcore serio_raw
evdev lis3lv02d bcma i2c_algo_bit i2c_core rfkill processor mfd_core pcspkr
button input_polldev intel_ips battery video ac wmi ext4 crc16 jbd2 mbcache
hid_generic usbhid hid sg sr_mod cdrom sd_mod crc_t10dif ahci libahci libata
ehci_
pci ehci_hcd scsi_mod thermal thermal_sys usbcore r8169 mii usb_common
 CPU: 1 PID: 4115 Comm: bash Not tainted 3.11.0-rc5+ #7
 Hardware name: Hewlett-Packard HP Pavilion dv6 Notebook PC/144A, BIOS F.23
10/21/2010
task: ffff880135ae37c0 ti: ffff880135b58000 task.ti: ffff880135b58000
 RIP: 0010:[<ffffffffa0691d1b>]  [<ffffffffa0691d1b>]
radeon_ring_write+0x33/0x44 [radeon]
 RSP: 0018:ffff880135b59d38  EFLAGS: 00010202
 RAX: ffff880151b72000 RBX: ffff880151039618 RCX: 0000000000020001
 RDX: ffff880151af2000 RSI: 0000000000003dbd RDI: ffff880151039618
 RBP: 0000000000003dbd R08: ffff880135b58000 R09: 0000000000000000
 R10: 0000000000000000 R11: 0000000000000020 R12: 0000000000000000
 R13: 0000000000000000 R14: 0000000000001010 R15: 00000000002a002a
 FS:  00007fd90cb5b700(0000) GS:ffff880157c40000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: ffff880151b72000 CR3: 0000000150b57000 CR4: 00000000000007e0
Stack:
  ffff880151039618 ffff880151038000 ffffffffa06a7d36 ffff880151038000
  ffff880151039618 0000000040000a00 0000000000000000 0000000000001010
  ffffffffa06a74c6 ffff880151038000 000000000000000a 0000000000000063
Call Trace:
  [<ffffffffa06a7d36>] ? r600_uvd_ring_test+0x65/0xfc [radeon]
  [<ffffffffa06a74c6>] ? r600_uvd_rbc_start+0x128/0x204 [radeon]
  [<ffffffffa06a79e2>] ? r600_uvd_init+0x35d/0x38e [radeon]
  [<ffffffffa06c0fcd>] ? evergreen_startup+0x177a/0x17e5 [radeon]
  [<ffffffffa06c107f>] ? evergreen_resume+0x47/0x6e [radeon]
  [<ffffffffa066f73f>] ? radeon_resume_kms+0x75/0x165 [radeon]
  [<ffffffffa066f8a7>] ? radeon_switcheroo_set_state+0x78/0xd7 [radeon]
  [<ffffffff8127d52f>] ? vga_switchon+0x2c/0x37
  [<ffffffff8127d701>] ? vga_switchto_stage1+0x1c/0x28
  [<ffffffff8127ddd6>] ? vga_switcheroo_debugfs_write+0x25f/0x307
  [<ffffffff81114fd6>] ? __sb_start_write+0xae/0xde
  [<ffffffff811149a7>] ? fput+0xe/0x8d
  [<ffffffff8111343c>] ? vfs_write+0xa7/0x10b
  [<ffffffff81113a7a>] ? SyS_write+0x41/0x75
  [<ffffffff8138f7a9>] ? system_call_fastpath+0x16/0x1b
 Code: 48 89 fb 7f 15 48 c7 c6 05 e1 72 a0 48 c7 c7 b0 55 70 a0 31 c0 e8 74 0e
e2 ff 8b 43 30 48 8b 53 08 8d 48 01 48 8d 04 82 89 4b 30 <89> 28 8b 43 64 ff 4b
44 21 43 30 ff 4b 40 5b 5d c3 83 7e 78 02 
RIP  [<ffffffffa0691d1b>] radeon_ring_write+0x33/0x44 [radeon]
 RSP <ffff880135b59d38>
CR2: ffff880151b72000
 ---[ end trace e47088b73be36227 ]---
Aug 16 15:02:56 laurent-debian shutdown[4140]: shutting down for system halt

-- 
You are receiving this mail because:
You are on the CC list for the bug.