https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204794
Bug ID: 204794
Summary: [hyper-v] [panic] when attaching a physical drive
Product: Base System
Version: 11.0-CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: kwh...@site.uottawa.ca
When attaching a physical drive to a recent 11-CURRENT snapshot running under
hyper-v on Windows 10 I get this panic:
panic: vm_srb->sense_info_len <= request->sense_info_len
Roughly at /usr/src/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c:774
I modified the source slightly to work-around the KASSERT, and was then able to
successfully use the drive (2TB ZFS volume).
774 if (vm_srb->sense_info_len > request->sense_info_len) {
775 printf("vm_srb->sense_info_len is %d,
request->sense_info_len is %d\n", vm_srb->sense_info_len,
request->sense_info_len);
776 vm_srb->sense_info_len =
request->sense_info_len;
777 }
778 KASSERT(vm_srb->sense_info_len <=
request->sense_info_len,
779 ("vm_srb->sense_info_len <= "
780 "request->sense_info_len"));
...keith
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