Messages in this thread |  | | | Date | Thu, 01 Jun 2006 17:34:06 +0159 | | From | Jiri Slaby <> | | Subject | Re: 2.6.17-rc5-mm2 |
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Andrew Morton napsal(a): > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc5/2.6.17-rc5-mm2/ > Hello,
just another locking bug, I wonder if this wasn't discussed yet, but I can't find it.
============================ [ BUG: illegal lock usage! ] ---------------------------- illegal {hardirq-on-W} -> {in-hardirq-R} usage. events/0/8 [HC1[1]:SC0[0]:HE0:SE1] takes: (hl_irqs_lock){--+.}, at: [<f88e4e09>] highlevel_host_reset+0x15/0x63 [ieee1394] {hardirq-on-W} state was registered at: [<c013e3af>] lockdep_acquire+0x59/0x6e [<c03a982c>] _write_lock+0x3e/0x4c [<f88e5772>] hpsb_register_highlevel+0xe1/0x123 [ieee1394] [<f88e5fd1>] init_csr+0x2f/0x46 [ieee1394] [<f883a1a8>] 0xf883a1a8 [<c0144e9a>] sys_init_module+0x151/0x1c97 [<c03aa13b>] syscall_call+0x7/0xb irq event stamp: 380 hardirqs last enabled at (379): [<c03aa183>] restore_nocheck+0x12/0x15 hardirqs last disabled at (380): [<c01038df>] common_interrupt+0x1b/0x2c softirqs last enabled at (0): [<c011f8c1>] copy_process+0x577/0x157e softirqs last disabled at (0): [<00000000>] 0x0 other info that might help us debug this: no locks held by events/0/8.
stack backtrace: [<c0103f56>] show_trace+0x1b/0x1d [<c0104694>] dump_stack+0x26/0x28 [<c013c1f4>] print_usage_bug+0x22a/0x234 [<c013cc24>] mark_lock+0x565/0x6b0 [<c013d748>] __lockdep_acquire+0x3b8/0xc3b [<c013e3af>] lockdep_acquire+0x59/0x6e [<c03a94a3>] _read_lock+0x3e/0x4c [<f88e4e09>] highlevel_host_reset+0x15/0x63 [ieee1394] [<f88e27f3>] hpsb_selfid_complete+0x222/0x2fe [ieee1394] [<f895fe83>] ohci_irq_handler+0x705/0x9d2 [ohci1394] [<c014b30d>] handle_IRQ_event+0x31/0x65 [<c014c52f>] handle_fasteoi_irq+0x6f/0xc8 [<c0105b3a>] do_IRQ+0x61/0x87 ======================= [<c01038e9>] common_interrupt+0x25/0x2c [<f895bb65>] set_phy_reg+0x94/0x107 [ohci1394] [<f895c488>] ohci_devctl+0x43a/0x651 [ohci1394] [<f88e2034>] hpsb_reset_bus+0x34/0x38 [ieee1394] [<f88e43bc>] delayed_reset_bus+0xa5/0xf3 [ieee1394] [<c01333b7>] run_workqueue+0x7e/0xf5 [<c0133fd5>] worker_thread+0x130/0x14b [<c0136f47>] kthread+0xc5/0xea [<c0101005>] kernel_thread_helper+0x5/0xb
-- Jiri Slaby www.fi.muni.cz/~xslaby \_.-^-._ jirislaby@gmail.com _.-^-._/ B67499670407CE62ACC8 22A032CC55C339D47A7E - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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