2 files changed, 78 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/kernel/1811 b/results/classifier/gemma3:12b/kernel/1811
new file mode 100644
index 000000000..9252b50f8
--- /dev/null
+++ b/results/classifier/gemma3:12b/kernel/1811
@@ -0,0 +1,37 @@
+
+ppc serial appears to have a maximum ratio of output to input, hides output and only writes it on subsequent input(?!)
+Description of problem:
+When pasting in large chunks of text, the echo is partial, but completes with subsequent writes (and is drained when the writes are small). Sorry this is really stupid, see video.
+
+(also, when booting, the console stops at
+```
+Building dt strings...
+Building dt structure...
+Device tree strings 0x00000000062c0000 -> 0x00000000062c0b90
+Device tree struct  0x00000000062d0000 -> 0x00000000062e0000
+Quiescing Open Firmware ...
+Booting Linux via __start() @ 0x0000000002000000 ...
+Linux ppc64le
+#1 SMP Debian 6.
+```
+and then continues with more messages from just after the dot:
+```
+Linux ppc64le
+#1 SMP Debian 6.[   15.683156] vio vio: uevent: failed to send synthetic uevent: -19
+vio: Failed to write 'add' to '/sys/devices/vio/uevent', ignoring: No such device
+/dev/vda2: clean, 17371/987360 files, 345018/3942144 blocks
+```
+)
+Steps to reproduce:
+1. `cat > /dev/null`
+2. paste in a couple solid lines
+3. observe that the echo completed mid-line
+4. paste in a couple more solid lines
+5. observe that the echo includes the end of the first few lines, and the start of the second set
+6. ^D
+7. observe that with every key input into the shell, you get a few bytes back, and those bytes are the tail-end of the second set of lines
+8. when the echo buffer is drained, it's drained
+Additional information:
+Demo video: https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1041707;filename=2023-07-21+17-59-25.mp4;msg=5
+
+Downstream bug: https://bugs.debian.org/1041707
diff --git a/results/classifier/gemma3:12b/kernel/1811244 b/results/classifier/gemma3:12b/kernel/1811244
new file mode 100644
index 000000000..1af7d965c
--- /dev/null
+++ b/results/classifier/gemma3:12b/kernel/1811244
@@ -0,0 +1,41 @@
+
+qemu 3.1/i386 crashes/guest hangs when MTTCG is enabled
+
+When MTTCG is enabled, QEMU 3.1.0 sometimes crashes when running the following command line:
+
+qemu-system-i386 -kernel /home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/bootstrap -append bootstrap -initrd "/home/jermar/work/software/l4/fiasco/.build-i386/fiasco -serial_esc,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/sigma0 ,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/moe rom/ahci.cfg,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/ned ,test_env.lua ,/home/jermar/Kernkonzept/software/l4/pkg/ahci-driver/examples/md5sum/ahci.cfg ,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/l4re ,/home/jermar/Kernkonzept/software/l4/pkg/ahci-driver/examples/md5sum/ahci.io ,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/io ,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/ahci-drv ,/home/jermar/Kernkonzept/software/l4/.build-i386/bin/x86_gen/l4f/ahci-md5-sync" -smp 4 -accel tcg,thread=multi -device ahci,id=ahci0 -drive if=none,file=/home/jermar/Kernkonzept/software/l4/.build-i386/pkg/ahci-driver/test/examples/test_ahci.img,format=raw,id=drive-sata0-0-0 -device ide-drive,bus=ahci0.0,drive=drive-sata0-0-0,id=sata0-0-0 -serial stdio -nographic -monitor none
+
+The host is x86_64.
+
+The stack at the time of the crash (core dump and debug binary linked below[1]):
+
+Core was generated by `qemu-system-i386 -kernel /home/jermar/Kernkonzept/software/l4/.build-i386/bin/x'.
+Program terminated with signal SIGSEGV, Segmentation fault.
+#0  io_writex (env=env@entry=0x565355ca0140, iotlbentry=iotlbentry@entry=0x565355ca9120, mmu_idx=2, val=val@entry=0, addr=addr@entry=3938451632, retaddr=retaddr@entry=140487132809203, recheck=false, size=4)
+    at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/cputlb.c:791
+791	    if (mr->global_locking && !qemu_mutex_iothread_locked()) {
+[Current thread is 1 (Thread 0x7fc5af7fe700 (LWP 3625719))]
+Missing separate debuginfos, use: dnf debuginfo-install SDL2-2.0.9-1.fc29.x86_64 at-spi2-atk-2.30.0-1.fc29.x86_64 at-spi2-core-2.30.0-2.fc29.x86_64 atk-2.30.0-1.fc29.x86_64 bzip2-libs-1.0.6-28.fc29.x86_64 cairo4
+(gdb) bt
+#0  0x0000565354f5f365 in io_writex
+    (env=env@entry=0x565355ca0140, iotlbentry=iotlbentry@entry=0x565355ca9120, mmu_idx=2, val=val@entry=0, addr=addr@entry=3938451632, retaddr=retaddr@entry=140487132809203, recheck=false, size=4)
+    at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/cputlb.c:791
+#1  0x0000565354f621b2 in io_writel (recheck=<optimized out>, retaddr=140487132809203, addr=3938451632, val=0, index=0, mmu_idx=2, env=0x565355ca0140)
+    at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/softmmu_template.h:310
+#2  0x0000565354f621b2 in helper_le_stl_mmu (env=0x565355ca0140, addr=<optimized out>, val=0, oi=34, retaddr=140487132809203)
+    at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/softmmu_template.h:310
+#3  0x00007fc5b5a587f3 in code_gen_buffer ()
+#4  0x0000565354f75fd0 in cpu_tb_exec (itb=<optimized out>, cpu=0x7fc5b5a5aa40 <code_gen_buffer+12266006>) at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/cpu-exec.c:171
+#5  0x0000565354f75fd0 in cpu_loop_exec_tb (tb_exit=<synthetic pointer>, last_tb=<synthetic pointer>, tb=<optimized out>, cpu=0x7fc5b5a5aa40 <code_gen_buffer+12266006>)
+    at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/cpu-exec.c:615
+#6  0x0000565354f75fd0 in cpu_exec (cpu=cpu@entry=0x565355c97e90) at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/accel/tcg/cpu-exec.c:725
+#7  0x0000565354f33b1f in tcg_cpu_exec (cpu=0x565355c97e90) at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/cpus.c:1429
+#8  0x0000565354f35e83 in qemu_tcg_cpu_thread_fn (arg=0x565355c97e90) at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/cpus.c:1733
+#9  0x0000565354f35e83 in qemu_tcg_cpu_thread_fn (arg=arg@entry=0x565355c97e90) at /home/jermar/software/HelenOS/helenos.git/contrib/qemu/qemu-3.1.0/cpus.c:1707
+#10 0x00005653552ec5da in qemu_thread_start (args=<optimized out>) at util/qemu-thread-posix.c:498
+#11 0x00007fc5b858a58e in start_thread () at /lib64/libpthread.so.0
+#12 0x00007fc5b84b96a3 in clone () at /lib64/libc.so.6
+
+Another symptom that occurs more often than this crash is that the guest hangs while waiting for another CPU to complete a cross-CPU call. Disabling MTTCG makes both symptoms go away.
+
+[1] Core file + debug binary: http://jermar.eu/ref/qemu-mttcg-core.tar.xz
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