Date: Mon, 24 Feb 2020 07:28:10 -0700 From: Alan Somers <asomers@freebsd.org> To: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: vtbd0: hard error Message-ID: <CAOtMX2iohr6QC%2BXpQ2DUwGW3a8t3Gs-OozDazcb2NHgZNGu_sA@mail.gmail.com>
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Lately whenever I try to buildworld on my main development VM, I get "vtbd0: hard error" errors, and inevitably UFS panics soon afterwards. Does anybody else see this? vtbd0 is backed by a zvol that apparently has no errors, and there's nothing in the host's dmesg. What else could be cause these errors on a virtio device? vtbd0: hard error cmd=write 56117912-56117919 g_vfs_done():vtbd0p2[WRITE(offset=28731822080, length=4096)]error = 5 vtbd0: hard error cmd=write 56117880-56117911 g_vfs_done():vtbd0p2[WRITE(offset=28731805696, length=16384)]error = 5 vtbd0: hard error cmd=write 78822-78835 g_vfs_done():vtbd0p2[WRITE(offset=39808000, length=7168)]error = 5 panic: brelse: inappropriate B_PAGING or B_CLUSTER bp 0xfffffe00109eb880 cpuid = 0 time = 1582524584 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe004dd64850 vpanic() at vpanic+0x185/frame 0xfffffe004dd648b0 panic() at panic+0x43/frame 0xfffffe004dd64910 brelse() at brelse+0x653/frame 0xfffffe004dd64970 bufdone() at bufdone+0x4a3/frame 0xfffffe004dd649f0 g_io_deliver() at g_io_deliver+0x21d/frame 0xfffffe004dd64a40 g_io_deliver() at g_io_deliver+0x21d/frame 0xfffffe004dd64a90 g_disk_done() at g_disk_done+0xed/frame 0xfffffe004dd64ad0 vtblk_vq_intr() at vtblk_vq_intr+0xce/frame 0xfffffe004dd64b20 ithread_loop() at ithread_loop+0x2ae/frame 0xfffffe004dd64bb0 fork_exit() at fork_exit+0x80/frame 0xfffffe004dd64bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe004dd64bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic
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