On Mon, Mar 05, 2018 at 08:35:10PM +0200, Ivaylo Dimitrov wrote: > Hi, > > On 5.03.2018 19:38, Bin Liu wrote: > >On Wed, Feb 28, 2018 at 01:59:43PM -0800, Tony Lindgren wrote: > >>* Merlijn Wajer <merlijn@xxxxxxxxxx> [180227 22:29]: > >>>Without pm_runtime_{get,put}_sync calls in place, reading > >>>vbus status via /sys causes the following error: > >>> > >>>Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa0ab060 > >>>pgd = b333e822 > >>>[fa0ab060] *pgd=48011452(bad) > >>> > >>>[<c05261b0>] (musb_default_readb) from [<c0525bd0>] (musb_vbus_show+0x58/0xe4) > >>>[<c0525bd0>] (musb_vbus_show) from [<c04c0148>] (dev_attr_show+0x20/0x44) > >>>[<c04c0148>] (dev_attr_show) from [<c0259f74>] (sysfs_kf_seq_show+0x80/0xdc) > >>>[<c0259f74>] (sysfs_kf_seq_show) from [<c0210bac>] (seq_read+0x250/0x448) > >>>[<c0210bac>] (seq_read) from [<c01edb40>] (__vfs_read+0x1c/0x118) > >>>[<c01edb40>] (__vfs_read) from [<c01edccc>] (vfs_read+0x90/0x144) > >>>[<c01edccc>] (vfs_read) from [<c01ee1d0>] (SyS_read+0x3c/0x74) > >>>[<c01ee1d0>] (SyS_read) from [<c0106fe0>] (ret_fast_syscall+0x0/0x54) > >>> > >>>Solution was suggested by Tony Lindgren <tony@xxxxxxxxxxx>. > >>> > >>>Signed-off-by: Merlijn Wajer <merlijn@xxxxxxxxxx> > >> > >>Thanks for fixing this. Assuming it passes Bin's tests: > >> > >>Acked-by: Tony Lindgren <tony@xxxxxxxxxxx> > > > >Applied and sent out. Thanks. > > > > What about stable kernels? Shouldn't this be fixed there as well? Yes, it should, but I need to figure out which stables to send to and I am busy in something at the moment. So I will send it @stable some time later. Regards, -Bin. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html