https://bugzilla.suse.com/show_bug.cgi?id=1186194 Bug ID: 1186194 Summary: Many processes and up in D state after system resume (5.12.3-1-default, git 25d4ec7) Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: lpechacek@suse.com QA Contact: qa-bugs@suse.de CC: oneukum@suse.com Found By: --- Blocker: --- Created attachment 849440 --> https://bugzilla.suse.com/attachment.cgi?id=849440&action=edit Output of SysRq-T I'm using a Dell laptop (Inspiron 7373) with a USB ethernet adapter (17ef:7205 Lenovo Thinkpad LAN, driver r8152). Sometimes, after resume, network-related utilities (e.g. ip, ping) freeze in D state. No communication over IP networks is possible. Attached is SysRq-T from the malfunctioning state. From my POV, the following stand out: May 18 11:00:34 fmn kernel: task:teams state:D stack: 0 pid: 316 ppid: 3234 flags:0x00000000 May 18 11:00:34 fmn kernel: Call Trace: May 18 11:00:34 fmn kernel: __schedule+0x2ee/0x950 May 18 11:00:34 fmn kernel: schedule+0x46/0xb0 May 18 11:00:34 fmn kernel: rpm_resume+0x19c/0x7b0 May 18 11:00:34 fmn kernel: ? wait_woken+0x80/0x80 May 18 11:00:34 fmn kernel: rpm_resume+0x2e7/0x7b0 May 18 11:00:34 fmn kernel: ? kernfs_fop_open+0x2a8/0x3a0 May 18 11:00:34 fmn kernel: __pm_runtime_resume+0x4a/0x80 May 18 11:00:34 fmn kernel: usb_autopm_get_interface+0x18/0x50 [usbcore] May 18 11:00:34 fmn kernel: rtl8152_get_link_ksettings+0x27/0x80 [r8152] May 18 11:00:34 fmn kernel: speed_show+0x6e/0xb0 May 18 11:00:34 fmn kernel: dev_attr_show+0x19/0x40 May 18 11:00:34 fmn kernel: sysfs_kf_seq_show+0xa6/0xe0 May 18 11:00:34 fmn kernel: seq_read_iter+0x1e1/0x510 May 18 11:00:34 fmn kernel: new_sync_read+0x115/0x1a0 May 18 11:00:34 fmn kernel: vfs_read+0x14b/0x1a0 May 18 11:00:34 fmn kernel: ksys_read+0x5f/0xe0 May 18 11:00:34 fmn kernel: do_syscall_64+0x33/0x80 May 18 11:00:34 fmn kernel: entry_SYSCALL_64_after_hwframe+0x44/0xae AND May 18 11:00:34 fmn kernel: task:kworker/3:2 state:D stack: 0 pid:23489 ppid: 2 flags:0x00004000 May 18 11:00:34 fmn kernel: Workqueue: pm pm_runtime_work May 18 11:00:34 fmn kernel: Call Trace: May 18 11:00:34 fmn kernel: __schedule+0x2ee/0x950 May 18 11:00:34 fmn kernel: schedule+0x46/0xb0 May 18 11:00:34 fmn kernel: schedule_timeout+0x8b/0x140 May 18 11:00:34 fmn kernel: ? __next_timer_interrupt+0x100/0x100 May 18 11:00:34 fmn kernel: msleep+0x2a/0x40 May 18 11:00:34 fmn kernel: napi_disable+0x2b/0x70 May 18 11:00:34 fmn kernel: rtl8152_suspend+0x2ad/0x340 [r8152] May 18 11:00:34 fmn kernel: usb_suspend_both+0x9d/0x230 [usbcore] May 18 11:00:34 fmn kernel: usb_runtime_suspend+0x2b/0x70 [usbcore] May 18 11:00:34 fmn kernel: ? usb_autoresume_device+0x50/0x50 [usbcore] May 18 11:00:34 fmn kernel: __rpm_callback+0x81/0x140 May 18 11:00:34 fmn kernel: rpm_callback+0x4f/0x70 May 18 11:00:34 fmn kernel: ? usb_autoresume_device+0x50/0x50 [usbcore] May 18 11:00:34 fmn kernel: rpm_suspend+0x147/0x6f0 May 18 11:00:34 fmn kernel: ? __switch_to+0x26f/0x450 May 18 11:00:34 fmn kernel: pm_runtime_work+0x8e/0x90 May 18 11:00:34 fmn kernel: process_one_work+0x1df/0x370 May 18 11:00:34 fmn kernel: worker_thread+0x50/0x400 May 18 11:00:34 fmn kernel: ? process_one_work+0x370/0x370 May 18 11:00:34 fmn kernel: kthread+0x11b/0x140 May 18 11:00:34 fmn kernel: ? __kthread_bind_mask+0x60/0x60 May 18 11:00:34 fmn kernel: ret_from_fork+0x22/0x30 -- You are receiving this mail because: You are on the CC list for the bug.