Bug#757805: linux: linux-3.14.13/drivers/gpu/drm/i915/intel_panel.c:696 i9xx_enable_backlight+0xd4/0x100 [i915]()
On Mon, Aug 11, 2014 at 04:30:01PM +0300, Martin-Éric Racine wrote:
> Package: src:linux
> Version: 3.14.13-2
> Severity: normal
> File: linux
>
> While debugging something else, I found the following in syslog:
can you reproduce with latest 3.16 (should be in exp).
thank you.
> Aug 10 11:17:10 suomi kernel: [ 2.743921] fbcon: inteldrmfb (fb0) is primary device
> Aug 10 11:17:10 suomi kernel: [ 2.762046] [drm] Setting output timings on SDVOB failed
> Aug 10 11:17:10 suomi kernel: [ 2.924020] ------------[ cut here ]------------
> Aug 10 11:17:10 suomi kernel: [ 2.924093] WARNING: CPU: 0 PID: 64 at /build/linux-sud87B/linux-3.14.13/drivers/gpu/drm/i915/intel_panel.c:696 i9xx_enable_backlight+0xd4/0x100 [i915]()
> Aug 10 11:17:10 suomi kernel: [ 2.924094] backlight already enabled
> Aug 10 11:17:10 suomi kernel: [ 2.924116] Modules linked in: dell_laptop rfkill dcdbas ata_piix(+) firewire_ohci sdhci_pci sdhci mmc_core firewire_core crc_itu_t libata scsi_mod ehci_pci(+) uhci_hcd(+) ehci_h
> cd tg3 ptp pps_core libphy usbcore usb_common i915(+) i2c_algo_bit drm_kms_helper video thermal wmi button drm i2c_core thermal_sys
> Aug 10 11:17:10 suomi kernel: [ 2.924121] CPU: 0 PID: 64 Comm: systemd-udevd Not tainted 3.14-2-686-pae #1 Debian 3.14.13-2
> Aug 10 11:17:10 suomi kernel: [ 2.924123] Hardware name: Dell Inc. Latitude D430 /000007, BIOS A01 06/20/2007
> Aug 10 11:17:10 suomi kernel: [ 2.924130] 00000009 c142f0e4 f6555864 c105069e f8aa5995 f655587c 00000040 f8a9f2ac
> Aug 10 11:17:10 suomi kernel: [ 2.924136] 000002b8 f8a66c14 f8a66c14 f4e08000 f65bdc00 f657ec00 00000296 c10506f3
> Aug 10 11:17:10 suomi kernel: [ 2.924141] 00000009 f6555864 f8aa5995 f655587c f8a66c14 f8a9f2ac 000002b8 f8aa5995
> Aug 10 11:17:10 suomi kernel: [ 2.924142] Call Trace:
> Aug 10 11:17:10 suomi kernel: [ 2.924152] [<c142f0e4>] ? dump_stack+0x3e/0x4e
--
maks
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