Messages in this thread | | | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.6.8 | From | Fernando Pablo Lopez-Lezcano <> | Date | 02 Nov 2004 18:54:28 -0800 |
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On Tue, 2004-11-02 at 11:27, Ingo Molnar wrote: > * Ingo Molnar <mingo@elte.hu> wrote: > > > This build appears to run OK and then in the middle of the real time > > > tests stops doing useful work (during network test). > > > > weird, the deadlock detector did not trigger, although it is a clear > > circular deadlock: > > ah ... found it - a fair portion of spinlocks and rwlocks had deadlock > detection turned off in -V0.6.6 - amongst them ptype_lock. I've uploaded > -V0.6.9 that fixes this.
This happens with V0.6.9 running on an Athlon64:
r8169 Gigabit Ethernet driver 1.6LK loaded ACPI: PCI interrupt 0000:00:0b.0[A] -> GSI 16 (level, low) -> IRQ 16 divert: allocating divert_blk for eth0 eth0: Identified chip type is 'RTL8169s/8110s'. eth0: RTL8169 at 0xf88a0f00, 00:0c:76:b3:c2:43, IRQ 16 BUG: atomic counter underflow at: [<c0108153>] dump_stack+0x23/0x30 (20) [<c02f5e91>] qdisc_destroy+0xe1/0xf0 (28) [<c02f60ad>] dev_shutdown+0x3d/0xa0 (28) [<c02e6ffb>] unregister_netdevice+0x12b/0x2a0 (36) [<c0273ffe>] unregister_netdev+0x1e/0x30 (16) [<f8b0b8b5>] rtl8169_remove_one+0x25/0x50 [r8169] (32) [<c01f55a6>] pci_device_remove+0x76/0x80 (24) [<c025f15d>] device_release_driver+0x6d/0x70 (24) [<c025f18b>] driver_detach+0x2b/0x40 (20) [<c025f5ff>] bus_remove_driver+0x3f/0x70 (20) [<c025fb0c>] driver_unregister+0x1c/0x30 (16) [<c01f586c>] pci_unregister_driver+0x1c/0x30 (16) [<f8b0d357>] rtl8169_cleanup_module+0x17/0x1b [r8169] (12) [<c013fdb1>] sys_delete_module+0x121/0x150 (96) [<c010729d>] sysenter_past_esp+0x52/0x71 (-8124) --------------------------- | preempt count: 00000001 ] | 1-level deep critical section nesting: ---------------------------------------- .. [<c013dc3d>] .... print_traces+0x1d/0x60 .....[<c0108153>] .. ( <= dump_stack+0x23/0x30) divert: freeing divert_blk for eth0 ip_tables: (C) 2000-2002 Netfilter core team
-- Fernando
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