https://bugs.freedesktop.org/show_bug.cgi?id=63865
Priority: medium Bug ID: 63865 Assignee: dri-devel@lists.freedesktop.org Summary: radeon_atombios_get_power_modes oops with E-350 Severity: normal Classification: Unclassified OS: Linux (All) Reporter: fdo@zahe.me Hardware: x86-64 (AMD64) Status: NEW Version: XOrg CVS Component: DRM/Radeon Product: DRI
With linux 3.8.8 on an AMD E-350 cpu, the screen corrupts and freezes during modesetting switching. The system is otherwise responsive.
kernel: [drm] Encoders: kernel: [drm] CRT1: INTERNAL_KLDSCP_DAC1 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 kernel: IP: [<ffffffffa034ceb8>] radeon_atombios_get_power_modes+0x748/0x7f0 [radeon] kernel: PGD 1b5061067 PUD 1b502d067 PMD 0 kernel: Oops: 0002 [#1] PREEMPT SMP kernel: Modules linked in: eeepc_wmi snd_hwdep asus_wmi radeon(+) sparse_keymap rfkill video pci_hotplug snd_pcm snd_page_alloc ttm snd_timer microcode snd drm_kms_helper evdev pcspkr drm k10temp i2c_algo_bit sp5100_tco i2c_piix4 i2c_core soundcore r8169 mii wmi button processor w83627ehf hwmon_vid cpufreq_stats nls_cp437 vfat fat fuse ext4 crc16 jbd2 mbcache hid_generic usbhid hid usb_storage sd_mod ahci libahci ehci_pci ohci_hcd ehci_hcd libata usbcore usb_common scsi_mod kernel: CPU 1 kernel: Pid: 151, comm: systemd-udevd Not tainted 3.8.8-1-ARCH #1 System manufacturer System Product Name/E35M1-M kernel: RIP: 0010:[<ffffffffa034ceb8>] [<ffffffffa034ceb8>] radeon_atombios_get_power_modes+0x748/0x7f0 [radeon] kernel: RSP: 0018:ffff8801b5d13a98 EFLAGS: 00010246 kernel: RAX: 0000000000000010 RBX: ffff8801b4afaffa RCX: 0000000000000000 kernel: RDX: 000000000000affa RSI: ffff8801b4afaffa RDI: 0000000000000000 kernel: RBP: ffff8801b5d13b00 R08: ffff8801b5d13ad3 R09: 0000000000000010 kernel: R10: ffff8801b4af0000 R11: 000000000000ab30 R12: 0000000000000000 kernel: R13: ffff8801b55e0000 R14: 0000000000000000 R15: ffff8801b4afaffa kernel: FS: 00007f4618cf9780(0000) GS:ffff8801bed00000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: CR2: 0000000000000010 CR3: 00000001b50bd000 CR4: 00000000000007e0 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 kernel: Process systemd-udevd (pid: 151, threadinfo ffff8801b5d12000, task ffff8801b48fcb60) kernel: Stack: kernel: 0400080000000000 0000000004000800 ffff8801b4afaffa ffff8801b55e0000 kernel: ffff8801b4afaffa 0000000000000202 0000000080000000 affaaffa01060106 systemd-udevd[130]: worker [151] terminated by signal 9 (Killed) systemd-udevd[130]: worker [151] failed while handling '/devices/pci0000:00/0000:00:01.0' kernel: ffff8801b5abec58 ffff8801b55e0000 ffff8801b5abe800 0000000000000000 kernel: Call Trace: kernel: [<ffffffffa039f507>] radeon_pm_init+0x3a7/0x580 [radeon] kernel: [<ffffffffa036bdc7>] ? radeon_modeset_init+0x3e7/0xba0 [radeon] kernel: [<ffffffffa036bf08>] radeon_modeset_init+0x528/0xba0 [radeon] kernel: [<ffffffffa03484d0>] radeon_driver_load_kms+0xf0/0x1a0 [radeon] kernel: [<ffffffffa02605d6>] drm_get_pci_dev+0x176/0x2b0 [drm] kernel: [<ffffffffa032e1c1>] ? radeon_pci_probe+0xa1/0xe0 [radeon] kernel: [<ffffffffa032e1d3>] radeon_pci_probe+0xb3/0xe0 [radeon] kernel: [<ffffffff8129556e>] local_pci_probe+0x3e/0x70 kernel: [<ffffffff81295761>] pci_device_probe+0x111/0x120 kernel: [<ffffffff8134c707>] driver_probe_device+0x87/0x3a0 kernel: [<ffffffff8134caf3>] __driver_attach+0x93/0xa0 kernel: [<ffffffff8134ca60>] ? __device_attach+0x40/0x40 kernel: [<ffffffff8134a703>] bus_for_each_dev+0x63/0xa0 kernel: [<ffffffff8134c18e>] driver_attach+0x1e/0x20 kernel: [<ffffffff8134bc0a>] bus_add_driver+0xda/0x2b0 kernel: [<ffffffffa040a000>] ? 0xffffffffa0409fff kernel: [<ffffffff8134d181>] driver_register+0x71/0x150 kernel: [<ffffffffa040a000>] ? 0xffffffffa0409fff kernel: [<ffffffff812953fd>] __pci_register_driver+0x4d/0x50 kernel: [<ffffffffa026082a>] drm_pci_init+0x11a/0x130 [drm] kernel: [<ffffffffa040a000>] ? 0xffffffffa0409fff kernel: [<ffffffffa040a0ec>] radeon_init+0xec/0xee [radeon] kernel: [<ffffffff8100210a>] do_one_initcall+0x10a/0x160 kernel: [<ffffffff810bd85b>] load_module+0x1a0b/0x20d0 kernel: [<ffffffff81286490>] ? ddebug_proc_write+0xf0/0xf0 kernel: [<ffffffff810bdfc2>] sys_init_module+0xa2/0xf0 kernel: [<ffffffff814c731d>] system_call_fastpath+0x1a/0x1f kernel: Code: 01 7e 08 48 8b 52 08 83 4a 24 01 48 83 c0 30 48 39 c8 75 df 49 63 85 d4 12 00 00 83 f8 ff 0f 85 18 fa ff ff 49 8b 85 b8 12 00 00 <c7> 00 00 00 00 00 49 8b 85 b8 12 00 00 41 c7 85 d4 12 00 00 00 kernel: RIP [<ffffffffa034ceb8>] radeon_atombios_get_power_modes+0x748/0x7f0 [radeon] kernel: RSP <ffff8801b5d13a98> kernel: CR2: 0000000000000010 kernel: ---[ end trace b7966bb12ee1e96d ]---