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Date: Wed, 7 May 2014 13:32:46 +0800 From: Liu Bo <bo.li.liu@...cle.com> To: e1000-devel@...ts.sourceforge.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: e1000 crash on 3.15.0-rc4 Hi, I'm using qemu to load kernel of 3.15.0-rc4, and with CONFIG_E1000=y, everying is ok, but with CONFIG_E1000=m, I got the following crash: [...] [ 6.020409] tsc: Refined TSC clocksource calibration: 2491.912 MHz [ 6.074925] floppy: Unknown symbol mutex_lock (err 0) [ 6.128579] virtio_blk: Unknown symbol mutex_lock (err 0) [ 6.141264] i2c_core: Unknown symbol mutex_lock (err 0) [ 6.167490] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 6.168240] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 6.171078] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10 [ 6.190295] BUG: spinlock bad magic on CPU#3, systemd-udevd/208 [ 6.190686] lock: e1000_eeprom_lock+0x0/0xffffffffffff81b6 [e1000], .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 [ 6.191402] CPU: 3 PID: 208 Comm: systemd-udevd Not tainted 3.15.0-rc4+ #107 [ 6.191800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 6.192457] ffffffffa00aee4a ffff88005f2fd968 ffffffff817901cb 0000000000000007 [ 6.193454] 0000000000000000 ffff88005f2fd988 ffffffff8178b460 ffffffffa00aee4a [ 6.194893] ffffffff81a3bcfb ffff88005f2fd9a8 ffffffff8178b48b ffffffffa00aee4a [ 6.196842] Call Trace: [ 6.197523] [<ffffffff817901cb>] dump_stack+0x4e/0x68 [ 6.198287] [<ffffffff8178b460>] spin_dump+0x91/0x96 [ 6.199269] [<ffffffff8178b48b>] spin_bug+0x26/0x2b [ 6.199944] [<ffffffff810c8bfe>] do_raw_spin_lock+0x13e/0x160 [ 6.202632] [<ffffffff81798491>] _raw_spin_lock+0x41/0x50 [ 6.203287] [<ffffffffa009ebd9>] ? e1000_read_eeprom+0x39/0x240 [e1000] [ 6.203966] [<ffffffffa009ebd9>] e1000_read_eeprom+0x39/0x240 [e1000] [ 6.204741] [<ffffffffa00a0bc0>] e1000_validate_eeprom_checksum+0x40/0xd0 [e1000] [ 6.205893] [<ffffffffa009d5b8>] ? e1000_reset_hw+0xb8/0x340 [e1000] [ 6.206658] [<ffffffffa0097c8b>] e1000_probe+0x6bb/0xe50 [e1000] [ 6.207520] [<ffffffff8142f28e>] local_pci_probe+0x4e/0xa0 [ 6.208248] [<ffffffff814e79d7>] ? get_device+0x17/0x30 [ 6.209085] [<ffffffff8142f599>] pci_device_probe+0xd9/0x120 [ 6.209792] [<ffffffff814ec95d>] driver_probe_device+0x9d/0x3d0 [ 6.210661] [<ffffffff814ecd3b>] __driver_attach+0xab/0xb0 [ 6.211423] [<ffffffff814ecc90>] ? driver_probe_device+0x3d0/0x3d0 [ 6.212304] [<ffffffff814ea8dd>] bus_for_each_dev+0x5d/0xa0 [ 6.213086] [<ffffffff814ec29e>] driver_attach+0x1e/0x20 [ 6.213717] [<ffffffff814ebec7>] bus_add_driver+0x127/0x250 [ 6.214538] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.215307] [<ffffffff814ed434>] driver_register+0x64/0xf0 [ 6.215921] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.216550] [<ffffffff8142e5a4>] __pci_register_driver+0x64/0x70 [ 6.217271] [<ffffffffa00b5051>] e1000_init_module+0x51/0x1000 [e1000] [ 6.218152] [<ffffffff8100032a>] do_one_initcall+0xda/0x180 [ 6.218794] [<ffffffff81043d13>] ? set_memory_nx+0x43/0x50 [ 6.219596] [<ffffffff8178b7cf>] ? set_section_ro_nx+0x6d/0x74 [ 6.220408] [<ffffffff810f7b16>] load_module+0x1c86/0x2680 [ 6.221225] [<ffffffff810f3a60>] ? module_unload_free+0xf0/0xf0 [ 6.222109] [<ffffffff810f85e7>] SyS_init_module+0xd7/0x120 [ 6.222827] [<ffffffff817a1ed2>] system_call_fastpath+0x16/0x1b [ 6.507708] BUG: unable to handle kernel NULL pointer dereference at (null) [ 6.508083] IP: [<ffffffff81400ac2>] memcpy+0x12/0x110 [ 6.508083] PGD 0 [ 6.508083] Oops: 0002 [#1] SMP [ 6.508083] Modules linked in: e1000(+) [ 6.508083] CPU: 3 PID: 208 Comm: systemd-udevd Not tainted 3.15.0-rc4+ #107 [ 6.508083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 6.508083] task: ffff88001ee94420 ti: ffff88005f2fc000 task.ti: ffff88005f2fc000 [ 6.508083] RIP: 0010:[<ffffffff81400ac2>] [<ffffffff81400ac2>] memcpy+0x12/0x110 [ 6.508083] RSP: 0018:ffff88005f2fdaa0 EFLAGS: 00010206 [ 6.508083] RAX: 0000000000000000 RBX: ffff88004f3f7000 RCX: 0000000000000006 [ 6.508083] RDX: 0000000000000006 RSI: ffff880021488cdc RDI: 0000000000000000 [ 6.508083] RBP: ffff88005f2fdb28 R08: 0000000000000003 R09: 0000000000000000 [ 6.508083] R10: ffff88001ee94420 R11: 0000000000000000 R12: 0000000000000043 [ 6.508083] R13: ffff880021488be8 R14: ffff880021488000 R15: ffff880021488cdc [ 6.508083] FS: 00007f542c158840(0000) GS:ffff880051d80000(0000) knlGS:0000000000000000 [ 6.508083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.508083] CR2: 0000000000000000 CR3: 000000005f31c000 CR4: 00000000000006e0 [ 6.508083] Stack: [ 6.508083] ffffffffa0097ccb ffff88005f2fdac8 0000000000000002 0000000000000286 [ 6.508083] ffff88004f3f71a0 ffff880021488880 ffff88004f3f7098 ffff88005f2fdaf8 [ 6.508083] 0000000000000286 0000000000000001 0000000000000004 ffff88005f2fdb28 [ 6.508083] Call Trace: [ 6.508083] [<ffffffffa0097ccb>] ? e1000_probe+0x6fb/0xe50 [e1000] [ 6.508083] [<ffffffff8142f28e>] local_pci_probe+0x4e/0xa0 [ 6.508083] [<ffffffff814e79d7>] ? get_device+0x17/0x30 [ 6.508083] [<ffffffff8142f599>] pci_device_probe+0xd9/0x120 [ 6.508083] [<ffffffff814ec95d>] driver_probe_device+0x9d/0x3d0 [ 6.508083] [<ffffffff814ecd3b>] __driver_attach+0xab/0xb0 [ 6.508083] [<ffffffff814ecc90>] ? driver_probe_device+0x3d0/0x3d0 [ 6.508083] [<ffffffff814ea8dd>] bus_for_each_dev+0x5d/0xa0 [ 6.508083] [<ffffffff814ec29e>] driver_attach+0x1e/0x20 [ 6.508083] [<ffffffff814ebec7>] bus_add_driver+0x127/0x250 [ 6.508083] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.508083] [<ffffffff814ed434>] driver_register+0x64/0xf0 [ 6.508083] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.508083] [<ffffffff8142e5a4>] __pci_register_driver+0x64/0x70 [ 6.508083] [<ffffffffa00b5051>] e1000_init_module+0x51/0x1000 [e1000] [ 6.508083] [<ffffffff8100032a>] do_one_initcall+0xda/0x180 [ 6.508083] [<ffffffff81043d13>] ? set_memory_nx+0x43/0x50 [ 6.508083] [<ffffffff8178b7cf>] ? set_section_ro_nx+0x6d/0x74 [ 6.508083] [<ffffffff810f7b16>] load_module+0x1c86/0x2680 [ 6.508083] [<ffffffff810f3a60>] ? module_unload_free+0xf0/0xf0 [ 6.508083] [<ffffffff810f85e7>] SyS_init_module+0xd7/0x120 [ 6.508083] [<ffffffff817a1ed2>] system_call_fastpath+0x16/0x1b [ 6.508083] Code: 4e 48 83 c4 08 5b 5d c3 90 e8 eb fb ff ff eb e6 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 <f3> a4 c3 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 8b 5e 18 48 8d [ 6.508083] RIP [<ffffffff81400ac2>] memcpy+0x12/0x110 [ 6.508083] RSP <ffff88005f2fdaa0> [ 6.508083] CR2: 0000000000000000 [ 6.508083] ---[ end trace 14c0661a8d561d06 ]--- [ 6.508083] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:20 [ 6.508083] in_atomic(): 1, irqs_disabled(): 1, pid: 208, name: systemd-udevd [ 6.508083] INFO: lockdep is turned off. [ 6.508083] irq event stamp: 30639 [ 6.508083] hardirqs last enabled at (30639): [<ffffffff81798cdf>] _raw_spin_unlock_irqrestore+0x3f/0x70 [ 6.508083] hardirqs last disabled at (30638): [<ffffffff81798581>] _raw_spin_lock_irqsave+0x21/0x60 [ 6.508083] softirqs last enabled at (30616): [<ffffffff810740bd>] __do_softirq+0x1ed/0x310 [ 6.508083] softirqs last disabled at (30611): [<ffffffff810744c5>] irq_exit+0xb5/0xc0 [ 6.508083] CPU: 3 PID: 208 Comm: systemd-udevd Tainted: G D 3.15.0-rc4+ #107 [ 6.508083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 6.508083] 0000000000000009 ffff88005f2fd6b8 ffffffff817901cb 0000000000000007 [ 6.508083] ffff88001ee94420 ffff88005f2fd6d8 ffffffff8109cd89 ffff88005f2fd758 [ 6.508083] ffff88001ee5d158 ffff88005f2fd708 ffffffff81797324 0000000000000086 [ 6.508083] Call Trace: [ 6.508083] [<ffffffff817901cb>] dump_stack+0x4e/0x68 [ 6.508083] [<ffffffff8109cd89>] __might_sleep+0xe9/0x120 [ 6.508083] [<ffffffff81797324>] down_read+0x24/0x70 [ 6.508083] [<ffffffff81081c04>] exit_signals+0x24/0x130 [ 6.508083] [<ffffffff81097f86>] ? blocking_notifier_call_chain+0x16/0x20 [ 6.508083] [<ffffffff81071407>] do_exit+0xb7/0xaa0 [ 6.508083] [<ffffffff810d5ffc>] ? kmsg_dump+0xfc/0x110 [ 6.508083] [<ffffffff810d5f25>] ? kmsg_dump+0x25/0x110 [ 6.508083] [<ffffffff8179a135>] oops_end+0x95/0xe0 [ 6.508083] [<ffffffff81789dd2>] no_context+0x28c/0x2b7 [ 6.508083] [<ffffffff81789fc2>] __bad_area_nosemaphore+0x1c5/0x1e4 [ 6.508083] [<ffffffff81789ff4>] bad_area_nosemaphore+0x13/0x15 [ 6.508083] [<ffffffff8179ca12>] __do_page_fault+0xd2/0x550 [ 6.508083] [<ffffffff810e0658>] ? rcu_irq_exit+0x68/0xb0 [ 6.508083] [<ffffffff8179931c>] ? retint_restore_args+0xe/0xe [ 6.508083] [<ffffffff813ffb8a>] ? delay_tsc+0x3a/0x80 [ 6.508083] [<ffffffff8140107d>] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 6.508083] [<ffffffff8179ce9c>] do_page_fault+0xc/0x10 [ 6.508083] [<ffffffff81799552>] page_fault+0x22/0x30 [ 6.508083] [<ffffffff81400ac2>] ? memcpy+0x12/0x110 [ 6.508083] [<ffffffffa0097ccb>] ? e1000_probe+0x6fb/0xe50 [e1000] [ 6.508083] [<ffffffff8142f28e>] local_pci_probe+0x4e/0xa0 [ 6.508083] [<ffffffff814e79d7>] ? get_device+0x17/0x30 [ 6.508083] [<ffffffff8142f599>] pci_device_probe+0xd9/0x120 [ 6.508083] [<ffffffff814ec95d>] driver_probe_device+0x9d/0x3d0 [ 6.508083] [<ffffffff814ecd3b>] __driver_attach+0xab/0xb0 [ 6.508083] [<ffffffff814ecc90>] ? driver_probe_device+0x3d0/0x3d0 [ 6.508083] [<ffffffff814ea8dd>] bus_for_each_dev+0x5d/0xa0 [ 6.508083] [<ffffffff814ec29e>] driver_attach+0x1e/0x20 [ 6.508083] [<ffffffff814ebec7>] bus_add_driver+0x127/0x250 [ 6.508083] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.508083] [<ffffffff814ed434>] driver_register+0x64/0xf0 [ 6.508083] [<ffffffffa00b5000>] ? 0xffffffffa00b4fff [ 6.508083] [<ffffffff8142e5a4>] __pci_register_driver+0x64/0x70 [ 6.508083] [<ffffffffa00b5051>] e1000_init_module+0x51/0x1000 [e1000] [ 6.508083] [<ffffffff8100032a>] do_one_initcall+0xda/0x180 [ 6.508083] [<ffffffff81043d13>] ? set_memory_nx+0x43/0x50 [ 6.508083] [<ffffffff8178b7cf>] ? set_section_ro_nx+0x6d/0x74 [ 6.508083] [<ffffffff810f7b16>] load_module+0x1c86/0x2680 [ 6.508083] [<ffffffff810f3a60>] ? module_unload_free+0xf0/0xf0 [ 6.508083] [<ffffffff810f85e7>] SyS_init_module+0xd7/0x120 [ 6.508083] [<ffffffff817a1ed2>] system_call_fastpath+0x16/0x1b [ 6.508083] note: systemd-udevd[208] exited with preempt_count 67 [...] ---------------------- Is this a regression? thanks, -liubo -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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