I found this kernel panic on one of my machines. Seems to be signal-related... Helge [98879.332000] WARNING: at mm/mmap.c:2657 [98879.380000] Modules linked in: [98879.416000] [98879.432000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [98879.488000] PSW: 00001000000001000000000100001111 Not tainted [98879.560000] r00-03 000000000804010f 0000000040a9a1f0 000000004013fcfc 0000000000000000 [98879.656000] r04-07 0000000040a3f1f0 00000000bd90b300 00000000000001be 00000000acf68770 [98879.752000] r08-11 0000000000100000 0000000000000001 0000000000020000 0000000000180000 [98879.848000] r12-15 000000000d800000 0000000040a9b1f0 0000000000800100 0000000000040004 [98879.944000] r16-19 0000000040a9b9f0 0000000040a571f0 0000000040a571f0 0000000040889500 [98880.040000] r20-23 000000000007002f 000000000800000e 000000000800000f 00000000401fdb70 [98880.136000] r24-27 ffffffffffffffe0 fffffffffffffe42 00000000409a9000 0000000040a3f1f0 [98880.232000] r28-31 0000000000000001 00000000acf68800 00000000acf687a0 0000000001f32000 [98880.328000] sr00-03 0000000003fec800 0000000000000000 0000000000000000 0000000003fc3800 [98880.424000] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [98880.520000] [98880.540000] IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040200118 000000004020011c [98880.640000] IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000000000000 [98880.720000] CPU: 0 CR30: 00000000acf68000 CR31: 00000000ffffffff [98880.804000] ORIG_R28: 0000000000000000 [98880.852000] IAOQ[0]: exit_mmap+0x240/0x268 [98880.900000] IAOQ[1]: exit_mmap+0x244/0x268 [98880.952000] RP(r2): mmput+0x10c/0x258 [98880.996000] Backtrace: [98881.024000] [<000000004013fcfc>] mmput+0x10c/0x258 [98881.084000] [<000000004014b9d0>] do_exit+0x680/0xef0 [98881.144000] [<000000004014c550>] do_group_exit+0xc0/0x128 [98881.212000] [<000000004015c9ec>] get_signal_to_deliver+0x794/0x7f8 [98881.284000] [<0000000040124af0>] do_signal+0x68/0xc08 [98881.348000] [<00000000401256bc>] do_notify_resume+0x2c/0xd0 [98881.416000] [<00000000401050b8>] intr_check_sig+0x34/0x38 [98881.480000] [98881.500000] ---[ end trace 0f7f718b0b117609 ]--- [98881.556000] BUG: Bad rss-counter state mm:00000000bd90b300 idx:0 val:20 [98881.636000] BUG: Bad rss-counter state mm:00000000bd90b300 idx:1 val:5 [98884.412000] BUG: Bad page state in process xxxmake pfn:6cd9c [98884.412000] page:00000000425e1a20 count:-1 mapcount:0 mapping: (null) index:0x0 [98884.412000] page flags: 0x0() [98884.412000] Modules linked in: [98884.412000] Backtrace: [98884.412000] [<000000004011ba04>] dump_stack+0x24/0x30 [98884.412000] [<00000000401ce9ac>] bad_page+0x1cc/0x250 [98884.412000] [<00000000401cf0ec>] get_page_from_freelist+0x58c/0x7e8 [98884.412000] [<00000000401d0460>] __alloc_pages_nodemask+0x198/0xaa8 [98884.412000] [<000000004060c02c>] __netdev_alloc_frag+0xc4/0x270 [98884.412000] [<000000004061289c>] __netdev_alloc_skb+0x74/0x178 [98884.412000] [<00000000405cb01c>] tulip_interrupt+0x4c4/0x18b0 [98885.164000] [98885.164000] Disabling lock debugging due to kernel taint [101813.652000] Backtrace: [101813.684000] [<00000000404534f0>] __down_read_trylock+0x40/0xb0 [101813.756000] [<00000000401765ec>] down_read_trylock+0x24/0x30 [101813.824000] [<0000000040206a5c>] page_lock_anon_vma_read+0x6c/0x258 [101813.904000] [<0000000040207054>] page_referenced+0x134/0x3f0 [101813.972000] [<00000000401db818>] shrink_active_list+0x400/0x5d8 [101814.044000] [<00000000401dd834>] shrink_lruvec+0x5e4/0x718 [101814.112000] [<00000000401de934>] kswapd+0x894/0xcf0 [101814.172000] [<000000004016f758>] kthread+0x168/0x190 [101814.236000] [<0000000040104020>] end_fault_vector+0x20/0xc0 [101814.304000] [<00000000401b1828>] handle_irq_event_percpu+0x300/0x360 [101814.384000] [<00000000401b6ddc>] handle_percpu_irq+0xd4/0xe8 [101814.452000] [<000000004014ee8c>] irq_exit+0x8c/0x98 [101814.512000] [<000000004060df14>] skb_free_head+0x64/0x98 [101814.580000] [<000000004060e0e8>] skb_release_data+0x1a0/0x1b8 [101814.648000] [<000000004060e26c>] __kfree_skb+0x16c/0x180 [101814.716000] [<0000000040678158>] tcp_data_queue+0x8e8/0xf80 [101814.784000] [101814.804000] [101814.820000] Kernel Fault: Code=26 regs=00000000bf4cc9b0 (Addr=000000000000000c) [101814.908000] [101814.928000] YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI [101814.988000] PSW: 00001000000001001111100100001110 Tainted: G B W [101815.068000] r00-03 000000ff0804f90e 0000000040a2a710 00000000404534f0 0000000000000008 [101815.164000] r04-07 0000000040a3f1f0 00000000bd6cf2d9 000000000000000c 0000000042200f20 [101815.260000] r08-11 00000000bf4cc618 0000000000000000 00000000bf4cc288 ffffffffffffffe0 [101815.360000] r12-15 0000000000000015 00000000408fac80 0000000040a9a9f0 0000000000000001 [101815.456000] r16-19 0000000040a9a1f0 0000000042200f40 0000000042200f20 0000000000000001 [101815.552000] r20-23 00000000bf4cc608 0000000000000000 0000000000000000 00000000bf4cc618 [101815.648000] r24-27 0000000000000000 0000000000000000 000000000000000c 0000000040a3f1f0 [101815.744000] r28-31 000000000800000f 00000000bf4cc980 00000000bf4cc9b0 00000000bd6cf2d8 [101815.844000] sr00-03 00000000072bd000 000000000009d800 0000000000000000 00000000072bd000 [101815.940000] sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [101816.040000] [101816.056000] IASQ: 0000000000000000 0000000000000000 IAOQ: 0000000040117670 0000000040117674 [101816.160000] IIR: 0f4015df ISR: 0000000000000000 IOR: 000000000000000c [101816.244000] CPU: 1 CR30: 00000000bf4cc000 CR31: 00000000ffffffff [101816.324000] ORIG_R28: 0000000040a3f1f0 [101816.372000] IAOQ[0]: _raw_spin_lock_irqsave+0x28/0x38 [101816.436000] IAOQ[1]: _raw_spin_lock_irqsave+0x2c/0x38 [101816.496000] RP(r2): __down_read_trylock+0x40/0xb0 [101816.556000] Backtrace: [101816.584000] [<00000000404534f0>] __down_read_trylock+0x40/0xb0 [101816.656000] [<00000000401765ec>] down_read_trylock+0x24/0x30 [101816.728000] [<0000000040206a5c>] page_lock_anon_vma_read+0x6c/0x258 [101816.804000] [<0000000040207054>] page_referenced+0x134/0x3f0 [101816.876000] [<00000000401db818>] shrink_active_list+0x400/0x5d8 [101816.948000] [<00000000401dd834>] shrink_lruvec+0x5e4/0x718 [101817.016000] [<00000000401de934>] kswapd+0x894/0xcf0 [101817.076000] [<000000004016f758>] kthread+0x168/0x190 [101817.136000] [<0000000040104020>] end_fault_vector+0x20/0xc0 [101817.208000] [<00000000401b1828>] handle_irq_event_percpu+0x300/0x360 [101817.284000] [<00000000401b6ddc>] handle_percpu_irq+0xd4/0xe8 [101817.356000] [<000000004014ee8c>] irq_exit+0x8c/0x98 [101817.416000] [<000000004060df14>] skb_free_head+0x64/0x98 [101817.480000] [<000000004060e0e8>] skb_release_data+0x1a0/0x1b8 [101817.552000] [<000000004060e26c>] __kfree_skb+0x16c/0x180 [101817.616000] [<0000000040678158>] tcp_data_queue+0x8e8/0xf80 [101817.684000] [101817.708000] Kernel panic - not syncing: Kernel Fault -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at 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