> > and during shutdown (I believe the warnings are the same or analogous to > the > above). > > I tested with the attached patch from Andiry applied and I got the > following > BUG during resume: Does this bug occurs without the synchronize irq patch? Seems the rmmod, shutdown and resume bugs are caused by xhci_cleanup_msix(). > > [ 91.703778] sd 0:0:0:0: [sda] Starting disk > [ 91.704054] sd 2:0:0:0: [sdb] Starting disk > [ 91.703680] xhci_hcd 0000:04:00.0: Host controller not halted, aborting > reset. > [ 91.703680] BUG: sleeping function called from invalid context at > /home/rafael/src/linux-2.6/kernel/mutex.c:278 > [ 91.703680] in_atomic(): 1, irqs_disabled(): 1, pid: 1234, name: > kworker/u:6 > [ 91.703680] INFO: lockdep is turned off. > [ 91.703680] irq event stamp: 24060 > [ 91.703680] hardirqs last enabled at (24059): [<ffffffff810aa071>] > rcu_note_context_switch+0xa1/0x1c0 > [ 91.703680] hardirqs last disabled at (24060): [<ffffffff81494e92>] > _raw_spin_lock_irq+0x12/0x50 > [ 91.703680] softirqs last enabled at (20026): [<ffffffff8105056e>] > __do_softirq+0x11e/0x160 > [ 91.703680] softirqs last disabled at (20011): [<ffffffff8100368c>] > call_softirq+0x1c/0x30 > [ 91.703680] Pid: 1234, comm: kworker/u:6 Tainted: G W 2.6.37- > rc6+ #12 > [ 91.703680] Call Trace: > [ 91.703680] [<ffffffff81079290>] ? print_irqtrace_events+0xd0/0xe0 > [ 91.703680] [<ffffffff81036783>] __might_sleep+0x103/0x130 > [ 91.703680] [<ffffffff81492f73>] mutex_lock_nested+0x33/0x380 > [ 91.703680] [<ffffffff81495727>] ? > _raw_spin_unlock_irqrestore+0x67/0x70 > [ 91.703680] [<ffffffff810a39de>] ? dynamic_irq_cleanup+0xde/0x100 > [ 91.703680] [<ffffffff810a3a58>] irq_free_descs+0x58/0x90 > [ 91.703680] [<ffffffff81022008>] destroy_irq+0x78/0x90 > [ 91.703680] [<ffffffff810222c9>] native_teardown_msi_irq+0x9/0x10 > [ 91.703680] [<ffffffff811ee0b0>] default_teardown_msi_irqs+0x70/0xa0 > [ 91.703680] [<ffffffff811edb41>] free_msi_irqs+0xa1/0x110 > [ 91.703680] [<ffffffff811eec1d>] pci_disable_msix+0x3d/0x50 > [ 91.703680] [<ffffffffa03f0609>] xhci_cleanup_msix+0x39/0x80 [xhci_hcd] > [ 91.703680] [<ffffffffa03f111c>] xhci_resume+0x1ac/0x250 [xhci_hcd] > [ 91.703680] [<ffffffffa03f65c4>] xhci_pci_resume+0x14/0x20 [xhci_hcd] > [ 91.703680] [<ffffffff8138996b>] resume_common+0xbb/0x140 > [ 91.703680] [<ffffffff81389a5e>] hcd_pci_restore+0xe/0x10 > [ 91.703680] [<ffffffff811e36f3>] pci_pm_restore+0x63/0xb0 > [ 91.703680] [<ffffffff813334bd>] pm_op+0x19d/0x1c0 > [ 91.703680] [<ffffffff81333be4>] device_resume+0x94/0x220 > [ 91.703680] [<ffffffff81333d8c>] async_resume+0x1c/0x50 > [ 91.703680] [<ffffffff8106e6e6>] async_run_entry_fn+0x86/0x160 > [ 91.703680] [<ffffffff81060672>] process_one_work+0x1a2/0x450 > [ 91.703680] [<ffffffff81060614>] ? process_one_work+0x144/0x450 > [ 91.703680] [<ffffffff811d2704>] ? do_raw_spin_lock+0x104/0x170 > [ 91.703680] [<ffffffff8106e660>] ? async_run_entry_fn+0x0/0x160 > [ 91.703680] [<ffffffff81061e32>] worker_thread+0x162/0x340 > [ 91.703680] [<ffffffff81061cd0>] ? worker_thread+0x0/0x340 > [ 91.703680] [<ffffffff81066836>] kthread+0x96/0xa0 > [ 91.703680] [<ffffffff81003594>] kernel_thread_helper+0x4/0x10 > [ 91.703680] [<ffffffff81036fdb>] ? finish_task_switch+0x7b/0xe0 > [ 91.703680] [<ffffffff81495d00>] ? restore_args+0x0/0x30 > [ 91.703680] [<ffffffff810667a0>] ? kthread+0x0/0xa0 > [ 91.703680] [<ffffffff81003590>] ? kernel_thread_helper+0x0/0x10 > [ 91.706248] xhci_hcd 0000:04:00.0: irq 81 for MSI/MSI-X > [ 91.706251] xhci_hcd 0000:04:00.0: irq 82 for MSI/MSI-X > [ 91.706253] xhci_hcd 0000:04:00.0: irq 83 for MSI/MSI-X > [ 91.706256] xhci_hcd 0000:04:00.0: irq 84 for MSI/MSI-X > [ 91.706258] xhci_hcd 0000:04:00.0: irq 85 for MSI/MSI-X > [ 91.706260] xhci_hcd 0000:04:00.0: irq 86 for MSI/MSI-X > [ 91.706262] xhci_hcd 0000:04:00.0: irq 87 for MSI/MSI-X > > The issues appear to be 100% reproducible. > I'm not able to reproduce the issue. Can you specify your kernel version and attach your .config? Thanks, Andiry _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
