diff --git a/experiments/bare_metal/runs/doe-amd64-20261112-160050.csv b/experiments/bare_metal/runs/doe-amd64-20261112-160050.csv
new file mode 100644
index 00000000..e69de29b
diff --git a/logs/20261112-160050/amd64/qemu-amd64-20261112-160050.log b/logs/20261112-160050/amd64/qemu-amd64-20261112-160050.log
new file mode 100644
index 00000000..b908b1f9
--- /dev/null
+++ b/logs/20261112-160050/amd64/qemu-amd64-20261112-160050.log
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:541476467a5ca870e34b9defcb644e18ac2cfdcbad561dd978bde4a343afb3cf
+size 6874
diff --git a/scripts/qemu_session.py b/scripts/qemu_session.py
index 0d6d33f6..5a1edcf2 100755
--- a/scripts/qemu_session.py
+++ b/scripts/qemu_session.py
@@ -87,6 +87,10 @@ the stick's, plan 2026-10-26-stick-1-screen-and-keyboard.md):
                no ok> for 30 s; the new one added: the prompt
   mint_fail    the fixed screen; R, a stick whose writes all fail (blkdebug): "failed -- nothing
                changed", the screen again; the old stick added: the prompt (Review Focus 4)
+  ident_attach_fail  no drive at boot; a fresh data stick hot-plugged whose reads at its identity
+               partition's first sector (LBA 2048) fail, so that partition cannot be attached after
+               Artemis is: a message naming the identity partition, Artemis let go -- both or
+               neither (#179) -- no prompt; the same stick without the fault: genesis, the prompt
   mint_part_fail  as mint_fail, but only writes to the identity partition's first sector (LBA 2048)
                fail: the GPT is written, then the mint fails -- "failed -- the stick was erased; Zuse
                not minted", never "nothing changed" (#168); no replacement; the old stick: the prompt
@@ -133,7 +137,7 @@ ap.add_argument("--target", default="qemu")      # qemu-stick: boot the PC stick
 ap.add_argument("--stick-gib", type=int, default=None)   # qemu-stick: the copy extended to N GiB
 a = ap.parse_args()
 
-NO_ZUSE_MODES = {"gpt_zuse", "gpt_hotplug", "gpt_foreign", "gpt_bad_crc", "gpt_bad_entries", "gpt_no_header",
+NO_ZUSE_MODES = {"ident_attach_fail", "gpt_zuse", "gpt_hotplug", "gpt_foreign", "gpt_bad_crc", "gpt_bad_entries", "gpt_no_header",
                  "gpt_read_error", "headless", "hotplug", "midpull", "waitpull", "typeahead", "emergency",
                  "alttab_after_logout", "alttab_before_pull", "emergency_pull",
                  "screen_dark_until_login", "screen_console_after_login", "screen_dark_after_logout",
@@ -420,16 +424,20 @@ def add_zuse(n, img=None, fail_sector0=False):
          drive=f"zuse{n}", id=f"zusedev{n}")
 
 
-def add_stick(n, img, port, fail_writes=False, fail_sector=None):
+def add_stick(n, img, port, fail_writes=False, fail_sector=None, fail_read_sector=None):
     """A USB stick added over QMP on the xHCI controller's `port` (plan 2026-10-29-stick-5, Task 4);
     with fail_writes, every write to it fails (blkdebug, EIO -- Task 5's mint_fail); with fail_sector,
-    only writes touching that sector fail (#168's mint_part_fail)."""
+    only writes touching that sector fail (#168's mint_part_fail); with fail_read_sector, only reads
+    touching that sector fail (#179's ident_attach_fail)."""
     f = {"driver": "file", "filename": img}
     if fail_writes:
         f = {"driver": "blkdebug", "image": f, "inject-error": [{"event": "none", "iotype": "write", "errno": 5}]}
     elif fail_sector is not None:
         f = {"driver": "blkdebug", "image": f,
              "inject-error": [{"event": "none", "iotype": "write", "sector": fail_sector, "errno": 5}]}
+    elif fail_read_sector is not None:
+        f = {"driver": "blkdebug", "image": f,
+             "inject-error": [{"event": "none", "iotype": "read", "sector": fail_read_sector, "errno": 5}]}
     qcmd("blockdev-add", driver="raw", **{"node-name": f"stick{n}"}, file=f)
     qcmd("device_add", driver="usb-storage", bus="xhci0.0", port=str(port), drive=f"stick{n}", id=f"stickdev{n}")
 
@@ -929,6 +937,29 @@ elif m == "entropy":
         check("[zuse@Hera] ok>", wait_for(PROMPT, 120))
     check("no fault", count(r"EXCEPTION|PANIC|panic") == 0)
 
+elif m == "ident_attach_fail":
+    # #179: the identity partition (LBA 2048 on a data stick) cannot be read, so it cannot be
+    # attached -- after Artemis has been. Both partitions or neither.
+    dstick = os.path.join(work, "ident-fail.img")
+    subprocess.run(["make", "-f", "kernel/Makefile", f"ARCH={a.arch}", "datastick", f"DATASTICK_IMG={dstick}"],
+                   cwd=ROOT, check=True, stdout=subprocess.DEVNULL)
+    check("no ok> for 20 s with no drive", not wait_for(ANYPROMPT, 20))
+    add_stick(1, dstick, 2, fail_read_sector=2048)
+    check("Zuse: the stick's identity partition failed -- not used",
+          wait_for(r"Zuse: the stick's identity partition failed -- not used", 120), near=r"Artemis|Zuse|xhci")
+    check("Artemis: the stick's partition let go -- both or neither",
+          wait_for(r"Artemis: the stick's partition let go", 30), near=r"Artemis|Zuse|xhci")
+    n = count(ANYPROMPT)
+    check("no ok> for 20 s with the faulty stick", not wait_for(ANYPROMPT, 20, n))
+    qcmd("device_del", id="stickdev1")
+    time.sleep(3)
+    qcmd("blockdev-del", **{"node-name": "stick1"})
+    g = count(r"Zuse: genesis minted onto attached thumbdrive")
+    add_stick(2, dstick, 2)
+    check("the same stick, without the fault: genesis", wait_for(r"Zuse: genesis minted onto attached thumbdrive", 180, g),
+          near=r"Artemis|Zuse")
+    check("[zuse@Hera] ok>", wait_for(PROMPT, 60))
+
 elif m == "hotplug":
     check("no ok> for 20 s with no drive", not wait_for(ANYPROMPT, 20))
     add_zuse(1)