Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

Hi, On 1/27/22 14:33, Rafael J. Wysocki wrote: > On Thu, Jan 27, 2022 at 2:05 PM Hans de Goede wrote: >> >> Hi, >> >> On 1/26/22 18:11, Rafael J. Wysocki wrote: >>> On Wed, Jan 26, 2022 at 5:41 PM Hans de Goede wrote: Hi, On 1/26/22 16:54, Rafael J. Wysocki wrote: > On

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

On Thu, Jan 27, 2022 at 2:05 PM Hans de Goede wrote: > > Hi, > > On 1/26/22 18:11, Rafael J. Wysocki wrote: > > On Wed, Jan 26, 2022 at 5:41 PM Hans de Goede wrote: > >> > >> Hi, > >> > >> On 1/26/22 16:54, Rafael J. Wysocki wrote: > >>> On Wed, Jan 26, 2022 at 2:47 PM Hans de Goede wrote: >

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

Hi, On 1/26/22 18:11, Rafael J. Wysocki wrote: > On Wed, Jan 26, 2022 at 5:41 PM Hans de Goede wrote: >> >> Hi, >> >> On 1/26/22 16:54, Rafael J. Wysocki wrote: >>> On Wed, Jan 26, 2022 at 2:47 PM Hans de Goede wrote: Hi All, On 1/23/22 10:10, Tong Zhang wrote: > when

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

On Wed, Jan 26, 2022 at 5:41 PM Hans de Goede wrote: > > Hi, > > On 1/26/22 16:54, Rafael J. Wysocki wrote: > > On Wed, Jan 26, 2022 at 2:47 PM Hans de Goede wrote: > >> > >> Hi All, > >> > >> On 1/23/22 10:10, Tong Zhang wrote: > >>> when acpi=off is provided in bootarg, kernel crash with > >>>

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

Hi, On 1/26/22 16:54, Rafael J. Wysocki wrote: > On Wed, Jan 26, 2022 at 2:47 PM Hans de Goede wrote: >> >> Hi All, >> >> On 1/23/22 10:10, Tong Zhang wrote: >>> when acpi=off is provided in bootarg, kernel crash with >>> >>> [1.252739] BUG: kernel NULL pointer dereference, address: >>>

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

On Wed, Jan 26, 2022 at 2:47 PM Hans de Goede wrote: > > Hi All, > > On 1/23/22 10:10, Tong Zhang wrote: > > when acpi=off is provided in bootarg, kernel crash with > > > > [1.252739] BUG: kernel NULL pointer dereference, address: > > 0018 > > [1.258308] Call Trace: > > [

Re: acpi_get_devices() crash when acpi_disabled==true (was [PATCH v2] drm/privacy-screen: honor acpi=off in detect_thinkpad_privacy_screen)

Hi, On 1/26/22 14:47, Hans de Goede wrote: > Hi All, > > On 1/23/22 10:10, Tong Zhang wrote: >> when acpi=off is provided in bootarg, kernel crash with >> >> [1.252739] BUG: kernel NULL pointer dereference, address: >> 0018 >> [1.258308] Call Trace: >> [1.258490] ?