virtio_pci: Fatal trap 12: page fault while in kernel mode
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Date: Fri, 04 Feb 2022 09:12:54 UTC
Hello, I've got two crashes so far on FreeBSD 13.0-STABLE #0 n249132-70201cc45dc: Mon Jan 24 12:13:57 EST 2022 running as a VM on KVM with uptime for few days before the crash: [787783] Fatal trap 12: page fault while in kernel mode [787783] cpuid = 16; apic id = 10 [787783] fault virtual address = 0x8 [787783] fault code = supervisor read data, page not present [787783] instruction pointer = 0x20:0xffffffff80c8c118 [787783] stack pointer = 0x28:0xfffffe0133e678b0 [787783] frame pointer = 0x28:0xfffffe0133e678f0 [787783] code segment = base 0x0, limit 0xfffff, type 0x1b [787783] = DPL 0, pres 1, long 1, def32 0, gran 1 [787783] processor eflags = interrupt enabled, resume, IOPL = 0 [787783] current process = 12 (irq34: virtio_pci1) [787783] trap number = 12 [787783] panic: page fault [787783] cpuid = 16 [787783] time = 1643964092 [787783] KDB: stack backtrace: [787783] #0 0xffffffff80c3e3a5 at kdb_backtrace+0x65 [787783] #1 0xffffffff80bf1acf at vpanic+0x17f [787783] #2 0xffffffff80bf1943 at panic+0x43 [787783] #3 0xffffffff810713a5 at trap_fatal+0x385 [787783] #4 0xffffffff810713ff at trap_pfault+0x4f [787783] #5 0xffffffff81049b08 at calltrap+0x8 [787783] #6 0xffffffff80c8c327 at sbdrop+0x37 [787783] #7 0xffffffff80da4681 at tcp_do_segment+0x2d91 [787783] #8 0xffffffff80da0ba8 at tcp_input_with_port+0xb78 [787783] #9 0xffffffff80da185b at tcp_input+0xb [787783] #10 0xffffffff80d93117 at ip_input+0x157 [787783] #11 0xffffffff80d21621 at netisr_dispatch_src+0xb1 [787783] #12 0xffffffff80d05a38 at ether_demux+0x138 [787783] #13 0xffffffff80d06d42 at ether_nh_input+0x352 [787783] #14 0xffffffff80d21621 at netisr_dispatch_src+0xb1 [787783] #15 0xffffffff80d05e59 at ether_input+0x69 [787783] #16 0xffffffff80a3099d at vtnet_rxq_eof+0x71d [787783] #17 0xffffffff80a30176 at vtnet_rx_vq_process+0xa6 [787783] Uptime: 9d2h49m43s I've updated from 13-release to stable to get the fix for Infinite writes on UFS with SU+J, which it does seem to fix, but now this started to happen.