[Bug 231070] Crash in nvme_qpair_reset() on base/head r338418 on VirtualBox 5.2.18

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Sep 1 11:05:59 UTC 2018


            Bug ID: 231070
           Summary: Crash in nvme_qpair_reset() on base/head r338418 on
                    VirtualBox 5.2.18
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: Trond.Endrestol at ximalas.info

Host is VirtualBox 5.2.18, Windows 7 x64 SP1, and Intel Core i7 960 @ 3.2 GHz.
Guest is amd64 base/head r338418. Last known good revision is r338206.

This can so easily be a bug in the VirtualBox implementation as it can be a bug
in the FreeBSD implementation.
The NVMe controller isn't critical to me, so I removed it from the VM, edited
/etc/fstab, and carried on.

Screenshots are available at

Kernel messages (typed in from the screenshots, typo's quite possible):

nvme0: Resetting controller due to a timeout.
nvme0: resetting controller

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x40
fault code              = supervisor write data, page not present
instruction pointer     = 0x20:0xffffffff805d7bd9
stack pointer           = 0x28:0ffffffe00331a6a80
frame pointer           = 0x28:0xfffffe00331a6a90
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = CPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enable,d resume, IOPL = 0
current process         = 0 (nvme taskq)
[ thread pid 0 tid 100051 ]
Stopped at      0xffffffff805d7bd9 = nvme_qpair_reset+0x9:      movl    $0,0x40
= ll+x1f(%rbx)
db> bt
Tracing pid 0 tid 100051 td 0xfffff8000c015580
nvme_qpair_reset() at 0xffffffff805d3207 = nvme_qpair_reset+0x9/frame
nvme_ctrlr_start() at 0xffffffff805d3207 = nvme_ctrlr_start+0x57/frame
taskqueue_run_locked() at 0xffffffff807ddaa4 = taskqueue_run_locked+0x154/frame
fork_exit() at 0xffffffff8073d8a3 = fork_exit+0x83/frame 0xfffffe00331a6bf0
forkt_rampoline() at 0xffffffff80ab97ae = fork_trampoline+0xe/frame
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---

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