Re: USB hotplug on HP 255 G6 laptop

2018-10-19 Thread Jan Kara
On Tue 16-10-18 17:47:17, Mathias Nyman wrote: > On 16.10.2018 14:38, Jan Kara wrote: > > On Wed 03-10-18 16:46:05, Jan Kara wrote: > > > On Wed 03-10-18 17:19:33, Mathias Nyman wrote: > > > > On 02.10.2018 17:53, Jan Kara wrote: > > > > >

Re: USB hotplug on HP 255 G6 laptop

2018-10-16 Thread Jan Kara
On Wed 03-10-18 16:46:05, Jan Kara wrote: > On Wed 03-10-18 17:19:33, Mathias Nyman wrote: > > On 02.10.2018 17:53, Jan Kara wrote: > > > On Tue 02-10-18 17:01:54, Mathias Nyman wrote: > > > > On 02.10.2018 16:06, Jan Kara wrote: > > > > > Hello, >

Re: USB hotplug on HP 255 G6 laptop

2018-10-03 Thread Jan Kara
On Wed 03-10-18 17:19:33, Mathias Nyman wrote: > On 02.10.2018 17:53, Jan Kara wrote: > > On Tue 02-10-18 17:01:54, Mathias Nyman wrote: > > > On 02.10.2018 16:06, Jan Kara wrote: > > > > Hello, > > > > > > > > my wife has HP 255 G6 laptop

Re: USB hotplug on HP 255 G6 laptop

2018-10-02 Thread Jan Kara
On Tue 02-10-18 17:01:54, Mathias Nyman wrote: > On 02.10.2018 16:06, Jan Kara wrote: > > Hello, > > > > my wife has HP 255 G6 laptop. When it is attached to AC, everything works > > as expected however when it is running on battery, USB hotplug stops > > w

USB hotplug on HP 255 G6 laptop

2018-10-02 Thread Jan Kara
help. Honza -- Jan Kara SUSE Labs, CR [0.00] Linux version 4.18.11-1.g4a5c1c1-default (geeko@buildhost) (gcc version 8.2.1 20180831 [gcc-8-branch revision 264010] (SUSE Linux)) #1 SMP PREEMPT Sat Sep 29 11:29:05 UTC 2018

Re: Freezable workqueue blocks non-freezable workqueue during the system resume process

2016-03-15 Thread Jan Kara
On Mon 14-03-16 10:37:22, Alan Stern wrote: > On Mon, 14 Mar 2016, Jan Kara wrote: > > > On Fri 11-03-16 12:56:10, Tejun Heo wrote: > > > Hello, Jan. > > > > > > On Thu, Mar 03, 2016 at 10:33:10AM +0100, Jan Kara wrote: > > > > > Ugh...

Re: Freezable workqueue blocks non-freezable workqueue during the system resume process

2016-03-14 Thread Jan Kara
On Fri 11-03-16 12:56:10, Tejun Heo wrote: > Hello, Jan. > > On Thu, Mar 03, 2016 at 10:33:10AM +0100, Jan Kara wrote: > > > Ugh... that's nasty. I wonder whether the right thing to do is making > > > writeback workers non-freezable. IOs are supposed to be blocked fr

Re: Freezable workqueue blocks non-freezable workqueue during the system resume process

2016-03-03 Thread Jan Kara
filesystems and there are issues with that (Jiri Kosina was the last one which was trying to make this work AFAIR). And I think you need to stop writeback (and generally any IO) to be generated so that it doesn't interact in a strange way with device drivers being frozen. So IMO until suspend freez

Re: 4.2 kernel trace when hot unplug a mounted USB/SATA/MMC devices with ext2/ext3/ext4 file system

2015-08-14 Thread Jan Kara
...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jan Kara j...@suse.com SUSE Labs, CR -- To unsubscribe from this list: send the line unsubscribe linux-usb in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org

Re: Warning when calling radix_tree_insert on 3.12-rc4

2013-10-14 Thread Jan Kara
5e4c0d974139a98741b829b27cf38dc8f9284490 lib/radix-tree.c: make radix_tree_node_alloc() work correctly within interrupt. I'll revert the commit, and see if the warning disappears. In the meantime, can you look into fixing this? Thanks, Sarah Sharp -- Jan Kara j...@suse.cz SUSE Labs, CR

Re: Warning when calling radix_tree_insert on 3.12-rc4

2013-10-14 Thread Jan Kara
On Mon 14-10-13 11:17:21, Sarah Sharp wrote: On Mon, Oct 14, 2013 at 02:30:34PM +0200, Jan Kara wrote: Hello Sarah, On Fri 11-10-13 15:13:15, Sarah Sharp wrote: I'm testing out some changes to the xHCI USB host controller driver (which uses a radix tree when a UAS device