kern/60381: ciss0: unqueued ccb 0xffffa70dd29ade00 ready, state=0x1

["campbell+netbsd%mumble.net@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         60381
>Category:       kern
>Synopsis:       ciss0: unqueued ccb 0xffffa70dd29ade00 ready, state=0x1
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jun 28 19:25:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        10.1
>Organization:
The NetCCB Unqueued, Inc.
>Environment:
NetBSD morden.netbsd.org 10.1_STABLE NetBSD 10.1_STABLE (NBFTP) #0: Mon Aug  4 09:33:12 UTC 2025  spz%franklin.NetBSD.org@localhost:/home/netbsd/10/amd64/obj/sys/arch/amd64/compile/NBFTP amd64
>Description:
[ 1908445.6572753] ciss0: unqueued ccb 0xffffa70dd29ade00 ready, state=0x1
[ 1908445.6572753] uvm_fault(0xffffda6ebec62e08, 0x0, 2) -> e
[ 1908445.6572753] fatal page fault in supervisor mode
[ 1908445.6572753] trap type 6 code 0x2 rip 0xffffffff803dee11 cs 0x8 rflags 0x10286 cr2 0x28 ilevel 0 rsp 0xffffa70e642d9140
[ 1908445.6572753] curlwp 0xffffda6cf4213700 pid 28659.28659 lowest kstack 0xffffa70e642d52c0
kernel: page fault trap, code=0
Stopped in pid 28659.28659 (rsync) at   netbsd:ciss_scsi_cmd+0x96:      movq    %rax,28(%r12)
ciss_scsi_cmd() at netbsd:ciss_scsi_cmd+0x96
scsipi_adapter_request() at netbsd:scsipi_adapter_request+0x39
scsipi_run_queue() at netbsd:scsipi_run_queue+0x11f
scsipi_execute_xs() at netbsd:scsipi_execute_xs+0x121
sd_diskstart() at netbsd:sd_diskstart+0x1e7
dk_start() at netbsd:dk_start+0xe0
bdev_strategy() at netbsd:bdev_strategy+0x81
spec_strategy() at netbsd:spec_strategy+0x58
VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x3c
dkstart() at netbsd:dkstart+0x13e
bdev_strategy() at netbsd:bdev_strategy+0x81
spec_strategy() at netbsd:spec_strategy+0x58
VOP_STRATEGY() at netbsd:VOP_STRATEGY+0x3c
genfs_getpages() at netbsd:genfs_getpages+0xe76
VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x58
ra_startio() at netbsd:ra_startio+0x94
uvm_ra_request() at netbsd:uvm_ra_request+0x124
uvn_get() at netbsd:uvn_get+0xa7
ubc_fault() at netbsd:ubc_fault+0x11e
uvm_fault_internal() at netbsd:uvm_fault_internal+0x3eb
trap() at netbsd:trap+0x2f9
--- trap (number 6) ---
copyout() at netbsd:copyout+0x33
ubc_uiomove() at netbsd:ubc_uiomove+0x104
ffs_read() at netbsd:ffs_read+0xd0
VOP_READ() at netbsd:VOP_READ+0x42
vn_read() at netbsd:vn_read+0x18e
dofileread() at netbsd:dofileread+0x79
sys_read() at netbsd:sys_read+0x49
syscall() at netbsd:syscall+0x1fc
--- syscall (number 3) ---
>How-To-Repeat:
no idea
>Fix:
Yes, please!