Re: Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug_register")

2017-12-15 Thread Laura Abbott
On 12/15/2017 08:30 AM, Bruno Wolff III wrote: On Fri, Dec 15, 2017 at 22:02:20 +0800,  weiping zhang wrote: Yes, please help reproduce this issue include my debug patch. Reproduce means we can see WARN_ON in device_add_disk caused by failure of bdi_register_owner. I'm

Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug_register")

2017-12-13 Thread Laura Abbott
Hi, Fedora got a bug report https://bugzilla.redhat.com/show_bug.cgi?id=1520982 of a boot failure/bug on Linus' master (full bootlog at the bugzilla) WARNING: CPU: 3 PID: 3486 at block/genhd.c:680 device_add_disk+0x3d9/0x460 Modules linked in: intel_rapl sb_edac x86_pkg_temp_thermal

Hangs in balance_dirty_pages with arm-32 LPAE + highmem

2018-02-23 Thread Laura Abbott
Hi, The Fedora arm-32 build VMs have a somewhat long standing problem of hanging when running mkfs.ext4 with a bunch of processes stuck in D state. This has been seen as far back as 4.13 but is still present on 4.14: sysrq: SysRq : Show Blocked State

Re: Hangs in balance_dirty_pages with arm-32 LPAE + highmem

2018-03-05 Thread Laura Abbott
On 02/26/2018 06:28 AM, Michal Hocko wrote: On Fri 23-02-18 11:51:41, Laura Abbott wrote: Hi, The Fedora arm-32 build VMs have a somewhat long standing problem of hanging when running mkfs.ext4 with a bunch of processes stuck in D state. This has been seen as far back as 4.13 but is still