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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 23
Affects Version/s: 17, 21, 22, 23
Component/s: hotspot
Labels:

Subcomponent:
runtime
Resolved In Build:
b07
CPU:

riscv
OS:

linux

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8324846	22.0.1	Gui Cao	P4	Resolved	Fixed	b03
JDK-8324847	21.0.3	Gui Cao	P4	Resolved	Fixed	b01
JDK-8324848	17.0.11	Gui Cao	P4	Resolved	Fixed	b01

Currently, method VM_Version::os_uarch_additional_features uses "fgets" to read the contents of /proc/cpuinfo, then calls "parse_satp_mode" with a string with the leading "mmu" and whitespaces removed, like ": sv39\n". However, "parse_satp_mode" compares this string directly to "sv39", which always fails and returns VM_MBARE.

Xing Qizheng(@MaxXSoft) will own this issue.

backported by

JDK-8324846 RISC-V: Incorrect implementation in VM_Version::parse_satp_mode

Resolved

JDK-8324847 RISC-V: Incorrect implementation in VM_Version::parse_satp_mode

Resolved

JDK-8324848 RISC-V: Incorrect implementation in VM_Version::parse_satp_mode

Resolved

relates to

JDK-8309258 RISC-V: Add riscv_hwprobe syscall

Resolved

links to

Commit openjdk/jdk17u-dev/34326989

Commit openjdk/jdk21u-dev/14f62ace

Commit openjdk/jdk22u/f5dc3ea2

Commit openjdk/jdk/e7fdac9d

Review openjdk/jdk17u-dev/2178

Review openjdk/jdk21u-dev/218

Review openjdk/jdk22u/34

Review openjdk/jdk/17513

Review openjdk/riscv-port-jdk11u/20

(8 links to)

Assignee:: Fei Yang
Reporter:: Joshua Zhu
Votes:: 0 Vote for this issue
Watchers:: 6 Start watching this issue

Created:: 2024-01-22 00:31
Updated:: 2025-03-19 11:20
Resolved:: 2024-01-24 19:11

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