Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 03:58:52PM +0200, Nicolai Stange wrote: > > Can you try if the following patch cures the problem? > > Unfortunately not. That patch installs the check after the > acpi_i2c_get_info() invocation which is part of the backtrace above. Ah, indeed it needs to happen before we

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 03:58:52PM +0200, Nicolai Stange wrote: > > Can you try if the following patch cures the problem? > > Unfortunately not. That patch installs the check after the > acpi_i2c_get_info() invocation which is part of the backtrace above. Ah, indeed it needs to happen before we

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

Mika Westerberg writes: > On Mon, Sep 19, 2016 at 11:48:07AM +0300, Mika Westerberg wrote: >> On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: >> > I'm encountering the following: >> > >> > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

Mika Westerberg writes: > On Mon, Sep 19, 2016 at 11:48:07AM +0300, Mika Westerberg wrote: >> On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: >> > I'm encountering the following: >> > >> > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37 >> > >> > Note that the system

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 11:48:07AM +0300, Mika Westerberg wrote: > On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: > > Hi, > > > > I'm encountering the following: > > > > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37 > > > > Note that the system works fine, so it's a

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 11:48:07AM +0300, Mika Westerberg wrote: > On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: > > Hi, > > > > I'm encountering the following: > > > > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37 > > > > Note that the system works fine, so it's a

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: > Hi, > > I'm encountering the following: > > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37 > > Note that the system works fine, so it's a "cosmetic" regression, I think. > > > I added a dump_stack() right below the

Re: [REGRESSION? v4.8] i2c-core: acpi_i2c_get_info() touches non-existent devices

On Mon, Sep 19, 2016 at 12:30:53AM +0200, Nicolai Stange wrote: > Hi, > > I'm encountering the following: > > [ 10.409490] ERROR: Unable to locate IOAPIC for GSI 37 > > Note that the system works fine, so it's a "cosmetic" regression, I think. > > > I added a dump_stack() right below the