[Bug 231070] Crash in nvme_qpair_reset() on base/head r338418 on VirtualBox 5.2.18
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Sat Sep 1 11:05:59 UTC 2018
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231070
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
https://ximalas.info/~trond/NVMe-crash-base-head-r338418/
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
0xfffffe00113a6a90
nvme_ctrlr_start() at 0xffffffff805d3207 = nvme_ctrlr_start+0x57/frame
0xfffffe00331a6af0
taskqueue_run_locked() at 0xffffffff807ddaa4 = taskqueue_run_locked+0x154/frame
0xfffffe00331a6bb0
fork_exit() at 0xffffffff8073d8a3 = fork_exit+0x83/frame 0xfffffe00331a6bf0
forkt_rampoline() at 0xffffffff80ab97ae = fork_trampoline+0xe/frame
0xfffffe00331a6bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
db>
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