On Mon, Mar 24, 2025 at 10:41:06AM +0800, Herbert Xu wrote: > Hi Giovanni: > > On Thu, Sep 16, 2021 at 03:45:41PM +0100, Giovanni Cabiddu wrote: > > + /* Poll status register to make sure the device is powered up */ > > + ret = read_poll_timeout(ADF_CSR_RD, status, > > + status & ADF_4XXX_PM_INIT_STATE, > > + ADF_4XXX_PM_POLL_DELAY_US, > > + ADF_4XXX_PM_POLL_TIMEOUT_US, true, addr, > > + ADF_4XXX_PM_STATUS); > > + if (ret) > > + dev_err(&GET_DEV(accel_dev), "Failed to power up the device\n"); > > + > > + return ret; > > +} > > I just received a bug report that this printk is triggering on > a warm reboot via kexec: > > https://issues.redhat.com/browse/RHEL-84366 > > [ 11.040319] vpr089-p05-15u kernel: 4xxx 0000:01:00.0: Failed to power up the device > [ 11.148557] vpr089-p05-15u kernel: 4xxx 0000:01:00.0: Failed to initialize device > [ 11.148702] vpr089-p05-15u kernel: 4xxx 0000:01:00.0: Resetting device qat_dev0 > [ 11.148809] vpr089-p05-15u kernel: 4xxx 0000:01:00.0: probe with driver 4xxx failed with error -14 > > Could you please take a look at it? Sure. It could be that the device is not get properly reset during a warm reboot. I'm going to have a look. Thanks, -- Giovanni