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 > > worki

USB hotplug on HP 255 G6 laptop

2018-10-02 Thread Jan Kara
r any 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

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... th

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 block

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

2016-03-03 Thread Jan Kara
x27;d need to freeze block devices & 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 d

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
51260 > > ffffffc0 > > 7e00: 00db9000 ffc0 00d51260 ffc0 e7b27e30 ffc0 001a1168 > > ffc0 > > 7e20: ed1d1000 ffc1 e7b27e50 ffc0 001bcef0 > > ffc0 > > 7e40: ed0aed80 ffc1 0015 e7b27e70 ffc0 001bcf94 > > ffc0 > > 7e60: e7c56e90 ffc0 7f41c1c8 007f e7b27e80 ffc0 000ce47c > > ffc0 > > 7e80: e7b27eb0 ffc0 00089800 ffc0 0004 aca13490 > > 0055 > > 7ea0: 7f41c1c8 007f f88d2650 007f 00085b54 > > ffc0 > > 7ec0: e7b27ec0 ffc0 > > > > 7ee0: 8000 80808080 > > > > 7f00: 80808080 0080 ff2f6172 fefefefe 0027 0004 > > > > 7f20: 01010101 01010101 0030 0006 74617269 > > 2c656d69 > > 7f40: 578b 7f41c180 007f 9527ced0 > > 0055 > > 7f60: aca13490 0055 aca13490 0055 0002 > > > > 7f80: 0002 aca134f0 0055 f88d27c0 > > 007f > > 7fa0: aca134d0 0055 95279df1 0055 f88d2650 > > 007f > > 7fc0: 95226ae0 0055 f88d2500 007f 7f41c1c8 007f 8000 > > > > 7fe0: aca134d0 0055 0027 > > > > Call trace: > > [] __percpu_counter_add+0x2c/0x10c > > [] account_page_dirtied+0x74/0x12c > > [] __set_page_dirty+0x48/0xd0 > > [] mark_buffer_dirty+0x74/0xa8 > > [] ext4_commit_super+0x130/0x1f8 > > [] __ext4_abort+0x3c/0x13c > > [] ext4_put_super+0x278/0x2f4 > > [] generic_shutdown_super+0x68/0xd8 > > [] kill_block_super+0x1c/0x70 > > [] deactivate_locked_super+0x54/0x84 > > [] deactivate_super+0x8c/0x9c > > [] cleanup_mnt+0x38/0x84 > > [] __cleanup_mnt+0xc/0x18 > > [] task_work_run+0x98/0xec > > [] do_notify_resume+0x54/0x68 > > Code: 11000400 b9001880 f9401283 d538d080 (b8a36813) > > ---[ end trace 3db0dd3586537f6d ]--- > > note: umount[1470] exited with preempt_count 2 > > > > CASE 5: Trace on x86 Lenovo T420 machine running Fedora core 22 (Kernel > > 4.1.x) > > [] dump_backtrace+0x0/0x11c > > []show_stack+0x10/0x1c > > [] dump_stack+0x80/0xc4 > > [] warn_slowpath_common+0x90/0xc8 > > [] warn_slowpath_null+0x14/0x20 > > [] __blkdev_put+0xe0/0x210 > > [] blkdev_put+0x4c/0x158 > > [] kill_block_super+0x34/0x70 > > [] deactivate_locked_super+0x54/0x84 > > [] deactivate_super+0x8c/0x9c > > [] cleanup_mnt+0x38/0x84 > > [] __cleanup_mnt+0xc/0x18 > > [] task_work_run+0x94/0xe8 > > [] do_notify_resume+0x54/0x68 > > ---[ end trace 1fa355ac70316ea2 ]--- > > > > > > -- > > Regards, > > Duc Dang. > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > > the body of a message to majord...@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Jan Kara 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/majordomo-info.html

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 > &

Re: Warning when calling radix_tree_insert on 3.12-rc4

2013-10-14 Thread Jan Kara
t; Oct 11 14:42:08 xanatos kernel: [18165.847788] [] > SyS_init_module+0xd2/0x120 > Oct 11 14:42:08 xanatos kernel: [18165.847791] [] > system_call_fastpath+0x16/0x1b > > This looks possibly related to commit > 5e4c0d974139a98741b829b27cf38dc8f9284490 "lib/radix-tree.c: make >