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Date: Wed, 29 Jul 2015 23:21:49 +0200 From: linux@...elenboom.it To: Thomas Gleixner <tglx@...utronix.de>, Eric Dumazet <edumazet@...gle.com> Cc: xen-devel@...ts.xen.org, netdev@...r.kernel.org, lkml@...r.kernel.org Subject: Xen-unstable + Linux 4.2-rc4: GPF RIP: e030:[<ffffffff8110ea98>] [<ffffffff8110ea98>] detach_if_pending+0x18/0x80 Hi, Running on Xen testing a 4.2-rc4 kernel it got the crash below. Could this be related to the changes in 3bb475a3446facd0425d3f2fe7e85bf03c5c6c05 ? It crashes dom0 when i put some strain onto the network + bridge. -- Sander [ 2108.078763] general protection fault: 0000 [#1] SMP [ 2108.102839] Modules linked in: [ 2108.121598] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc4-20150728-linus-noipv6-doflr+ #1 [ 2108.157188] Hardware name: MSI MS-7640/890FXA-GD70 (MS-7640) , BIOS V1.8B1 09/13/2010 [ 2108.190430] task: ffffffff8221a580 ti: ffffffff82200000 task.ti: ffffffff82200000 [ 2108.222309] RIP: e030:[<ffffffff8110ea98>] [<ffffffff8110ea98>] detach_if_pending+0x18/0x80 [ 2108.257037] RSP: e02b:ffff88005f603818 EFLAGS: 00010086 [ 2108.282424] RAX: ffff88005f6cf410 RBX: ffff8800511a6a60 RCX: dead000000200200 [ 2108.313210] RDX: 0000000000000000 RSI: ffff88005f60e5c0 RDI: ffff8800511a6a60 [ 2108.344013] RBP: ffff88005f603818 R08: 0000000000000001 R09: 0000000000000001 [ 2108.374795] R10: 0000000000000003 R11: ffff8800511a69c0 R12: 0000000000000000 [ 2108.405446] R13: 0000000100098b49 R14: 0000000000015f90 R15: ffff88005f60e5c0 [ 2108.435784] FS: 00007fe7e790d700(0000) GS:ffff88005f600000(0000) knlGS:0000000000000000 [ 2108.469081] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 2108.495152] CR2: 00000000017eeca0 CR3: 0000000004c30000 CR4: 0000000000000660 [ 2108.525520] Stack: [ 2108.540406] ffff88005f603868 ffffffff8110edbf ffffffff810fb1e1 0000000000000200 [ 2108.571288] 0000000000000003 ffff8800511a69c0 0000000000000000 ffff880004d5d600 [ 2108.602370] 0000000000015f90 0000000000000000 ffff88005f603898 ffffffff819b3ad3 [ 2108.633153] Call Trace: [ 2108.649088] <IRQ> [ 2108.654784] [<ffffffff8110edbf>] mod_timer_pending+0x3f/0xe0 [ 2108.689320] [<ffffffff810fb1e1>] ? __raw_callee_save___pv_queued_spin_unlock+0x11/0x20 [ 2108.721899] [<ffffffff819b3ad3>] __nf_ct_refresh_acct+0xa3/0xb0 [ 2108.748221] [<ffffffff819ba71b>] tcp_packet+0xb3b/0x1290 [ 2108.772816] [<ffffffff81a7c0b5>] ? br_forward_finish+0x25/0x80 [ 2108.798706] [<ffffffff81102342>] ? irq_to_desc+0x12/0x20 [ 2108.822802] [<ffffffff810ca8ca>] ? __local_bh_enable_ip+0x2a/0x90 [ 2108.849145] [<ffffffff819b31f9>] ? __nf_conntrack_find_get+0x129/0x2a0 [ 2108.876796] [<ffffffff819b50bc>] nf_conntrack_in+0x29c/0x7c0 [ 2108.901830] [<ffffffff81a65651>] ipv4_conntrack_in+0x21/0x30 [ 2108.926819] [<ffffffff819ad29c>] nf_iterate+0x4c/0x80 [ 2108.949863] [<ffffffff819ad334>] nf_hook_slow+0x64/0xc0 [ 2108.973297] [<ffffffff81a87acc>] br_nf_pre_routing+0x33c/0x350 [ 2108.999934] [<ffffffff81a87370>] ? br_nf_forward_ip+0x3d0/0x3d0 [ 2109.025256] [<ffffffff819ad29c>] nf_iterate+0x4c/0x80 [ 2109.047697] [<ffffffff819ad334>] nf_hook_slow+0x64/0xc0 [ 2109.070579] [<ffffffff81a7d830>] br_handle_frame+0x190/0x270 [ 2109.094725] [<ffffffff81a7d1f0>] ? br_handle_local_finish+0x50/0x50 [ 2109.120526] [<ffffffff81a7d6a0>] ? br_handle_frame_finish+0x4b0/0x4b0 [ 2109.146523] [<ffffffff8197c87b>] __netif_receive_skb_core+0x12b/0x970 [ 2109.172583] [<ffffffff8100aeed>] ? set_foreign_p2m_mapping+0x19d/0x3a0 [ 2109.198956] [<ffffffff8197efb5>] __netif_receive_skb+0x15/0x70 [ 2109.223214] [<ffffffff8197f02e>] netif_receive_skb_internal+0x1e/0x80 [ 2109.249274] [<ffffffff8197f09c>] netif_receive_skb_sk+0xc/0x10 [ 2109.273450] [<ffffffff8174dd29>] xenvif_tx_action+0x6a9/0x830 [ 2109.297488] [<ffffffff8173f6bd>] ? rtl8169_poll+0x8d/0x600 [ 2109.320699] [<ffffffff81750279>] xenvif_poll+0x29/0x70 [ 2109.342620] [<ffffffff81980387>] net_rx_action+0x1f7/0x300 [ 2109.365337] [<ffffffff810ca6c3>] __do_softirq+0x103/0x210 [ 2109.387677] [<ffffffff810ca9cb>] irq_exit+0x4b/0xa0 [ 2109.408519] [<ffffffff814f03e4>] xen_evtchn_do_upcall+0x34/0x50 [ 2109.432419] [<ffffffff81af886e>] xen_do_hypervisor_callback+0x1e/0x40 [ 2109.457772] <EOI> [ 2109.463493] [<ffffffff810013aa>] ? xen_hypercall_sched_op+0xa/0x20 [ 2109.494059] [<ffffffff810013aa>] ? xen_hypercall_sched_op+0xa/0x20 [ 2109.518541] [<ffffffff81008d00>] ? xen_safe_halt+0x10/0x20 [ 2109.540952] [<ffffffff81018a93>] ? default_idle+0x13/0x20 [ 2109.563055] [<ffffffff81018fda>] ? arch_cpu_idle+0xa/0x10 [ 2109.585071] [<ffffffff810f8dfe>] ? default_idle_call+0x2e/0x50 [ 2109.608257] [<ffffffff810f9092>] ? cpu_startup_entry+0x272/0x2e0 [ 2109.631954] [<ffffffff81ae6dd7>] ? rest_init+0x77/0x80 [ 2109.652953] [<ffffffff82312f5f>] ? start_kernel+0x442/0x44f [ 2109.675099] [<ffffffff823124ef>] ? x86_64_start_reservations+0x2a/0x2c [ 2109.700145] [<ffffffff8231600f>] ? xen_start_kernel+0x550/0x55c [ 2109.723264] Code: 77 28 5d c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 47 08 55 48 89 e5 48 85 c0 74 6a 48 8b 0f 48 85 c9 48 89 08 74 04 <48> 89 41 08 84 d2 74 08 48 c7 47 08 00 00 00 00 f6 47 2a 10 48 [ 2109.789794] RIP [<ffffffff8110ea98>] detach_if_pending+0x18/0x80 [ 2109.813416] RSP <ffff88005f603818> [ 2109.829199] ---[ end trace 042bd0c1a92729d3 ]--- [ 2109.848376] Kernel panic - not syncing: Fatal exception in interrupt [ 2109.872793] Kernel Offset: disabled -- 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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