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Diffstat (limited to 'results/classifier/deepseek-2-tmp/reasoning/device/2186')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/reasoning/device/2186 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2-tmp/reasoning/device/2186 b/results/classifier/deepseek-2-tmp/reasoning/device/2186 new file mode 100644 index 00000000..48fa0723 --- /dev/null +++ b/results/classifier/deepseek-2-tmp/reasoning/device/2186 @@ -0,0 +1,25 @@ +<think> +Alright, I need to classify this bug report for QEMU into one of the given categories. Let me go through the details provided. + +The user is encountering an issue where their BIOS or Firmware writes to a global variable in the .bss section mapped to pflash0. When they step through with GDB, QEMU throws an error about an unimplemented flash command sequence. They also provided a minimal program that reproduces this, which writes to 0x20000 + 24 (0x2000525C in the first case and 0x18 in the second). + +Looking at the error message: `pflash_write: Unimplemented flash cmd sequence`. This suggests that QEMU isn't handling certain write operations to pflash correctly. The user mentions they thought writes were supported, as indicated by the top of `hw/block/pflash_cfi01.c`, but perhaps there's a missing implementation. + +The bug occurs when trying to write to memory-mapped flash, which should be handled by QEMU. Since the error is about an unimplemented command sequence, it points to a problem in how QEMU processes writes to pflash devices. + +Reviewing the categories provided: device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. The issue is related to flash memory handling in QEMU's hardware block layer, which falls under device support. Specifically, pflash devices are part of the device emulation. + +Therefore, this bug should be categorized under 'device' because it pertains to an unimplemented feature in the device emulation for pflash. +</think> + +The bug report describes an issue where writing to a memory-mapped flash region (pflash0) is not supported in QEMU's RISC-V Virt machine. The error occurs when attempting to write to specific addresses, leading to an "unimplemented flash cmd sequence" message. This indicates that the device emulation for pflash isn't handling certain write operations correctly. + +**Step-by-Step Explanation:** + +1. **Issue Identification**: The problem arises during writes to memory-mapped flash regions. +2. **Error Analysis**: The error message points to an unimplemented command sequence in `pflash_write`, suggesting a missing implementation in the device emulation code. +3. **Category Determination**: Since this relates to the handling of a specific hardware device (pflash), it falls under the 'device' category. + +**Answer:** + +device \ No newline at end of file |