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Diffstat (limited to 'results/classifier/deepseek-2-tmp/reasoning/device/778032')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/reasoning/device/778032 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2-tmp/reasoning/device/778032 b/results/classifier/deepseek-2-tmp/reasoning/device/778032 new file mode 100644 index 000000000..0c767fcba --- /dev/null +++ b/results/classifier/deepseek-2-tmp/reasoning/device/778032 @@ -0,0 +1,15 @@ +<think> +Okay, so I need to classify this bug report for QEMU into one of the given categories: mistranslation, assembly lowering, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor, or other. + +Let me read through the bug report again. The user is reporting that QEMU spins on serial port writes when the buffer is full. They mention that when using a UNIX socket with a 4KB buffer, normal output from a Linux kernel boot causes QEMU to seize up because write() returns EAGAIN. + +Looking at the backtrace, the issue starts in send_all() which calls unix_write(). The problem occurs during serial port communication, specifically when the buffer is full. The user suggests removing the EAGAIN detection so that KVM discards the bytes instead of spinning. + +They also note that this could be a security issue if an untrusted guest sends too much data, causing the host's CPU to spin. They provided a command line example using -serial /dev/ttyS0 and mentioned it works with UDP but not directly via serial. + +So the bug is related to how QEMU handles writes to the serial port when the buffer is full. The affected code is in qemu-char.c and serial.c, which suggests it's part of the character device handling. + +Looking at the categories: 'device' seems appropriate because it's dealing with emulated devices (serial port). Other possibilities like network or socket could be considered since sockets are involved, but the primary issue is with the serial device behavior. Therefore, classifying this under 'device' makes sense. +</think> + +device \ No newline at end of file |