Hi, Youling Thank you for the update. 在 2021年03月16日 17:39, crash-utility-request(a)redhat.com 写道: > Date: Tue, 16 Mar 2021 17:38:35 +0800 > From: Youling Tang <tangyouling(a)loongson.cn&gt; > To: Kazuhito Hagio <k-hagio-ab(a)nec.com&gt;, crash-utility(a)redhat.com > Cc: tangyouling(a)loongson.cn, Huacai Chen <chenhuacai(a)loongson.cn&gt; > Subject: [Crash-utility] [PATCH v2 00/17] Add MIPS64 support > Message-ID: > <1615887532-23722-1-git-send-email-tangyouling(a)loongson.cn&gt; > Content-Type: text/plain; charset=UTF-8 > > Initial support is limited to the 64-bit MIPS kernel, configured as little > endian. Regarding dump file types, vmcore and makedumpfile tools can be > used to dump compressed dumpfile files. Does not supports running a live > kernel. > There seem to be some limitations and unimplemented features. Do you have any plans to complete the remaining work? If I was wrong, please correct me.

BTW: I have no MIPS machines, more things need to rely on MIPS engineers. Can other MIPS engineers help to test this patch? Thanks. Lianbo > The changes were tested on a mips64 Loongson-3A4000 processor. Can > successfully enter the crash command line and support for common > commands, such as bt, vtop, log commands, etc. > > Youling Tang (17): > Add MIPS64 framework code support > MIPS64: Support getting regs from kdump dumpfiles > MIPS64: Add gdb patch for Loongson machine > MIPS64: Make the crash tool successfully enter the crash command line > MIPS64: Add 'pte' command support > MIPS64: Add 'dis' command support > MIPS64: Fix display memory size issue > MIPS64: Add to get processor speed > MIPS64: Add 'mach' command support > MIPS64: Add basic support for the 'bt' command > MIPS64: Fixes for the gathering of the active task registers for the > 'bt' command > MIPS64: Add 'bt -f' command support > MIPS64: Add 'bt -l' command support > MIPS64: Add the realization of verify symbol > MIPS64: Add 'help -m/M' command support > MIPS64: Add 'help -r' command support > MIPS64: Add mips64 architecture support information > > Makefile | 7 +- > README | 4 +- > configure.c | 33 +- > defs.h | 139 +++++- > diskdump.c | 26 +- > gdb-7.6.patch | 21 +- > help.c | 4 +- > lkcd_vmdump_v2_v3.h | 3 +- > memory.c | 32 +- > mips64.c | 1365 +++++++++++++++++++++++++++++++++++++++++++++++++++ > netdump.c | 6 +- > symbols.c | 10 + > 12 files changed, 1621 insertions(+), 29 deletions(-) > create mode 100644 mips64.c > > -- 2.1.0

在 2021年04月17日 09:37, Youling Tang 写道: > Hi, Lianbo > > Thank you for your reply. > > On 04/16/2021 05:43 PM, lijiang wrote: >> Hi, Youling >> >> Thank you for the update. >> 在 2021年03月16日 17:39, crash-utility-request(a)redhat.com 写道: >>> Date: Tue, 16 Mar 2021 17:38:35 +0800 >>> From: Youling Tang <tangyouling(a)loongson.cn&gt; >>> To: Kazuhito Hagio <k-hagio-ab(a)nec.com&gt;, crash-utility(a)redhat.com >>> Cc: tangyouling(a)loongson.cn, Huacai Chen <chenhuacai(a)loongson.cn&gt; >>> Subject: [Crash-utility] [PATCH v2 00/17] Add MIPS64 support >>> Message-ID: >>> <1615887532-23722-1-git-send-email-tangyouling(a)loongson.cn&gt; >>> Content-Type: text/plain; charset=UTF-8 >>> >>> Initial support is limited to the 64-bit MIPS kernel, configured as little >>> endian. Regarding dump file types, vmcore and makedumpfile tools can be >>> used to dump compressed dumpfile files. Does not supports running a live >>> kernel. >>> >> There seem to be some limitations and unimplemented features. Do you have >> any plans to complete the remaining work? If I was wrong, please correct me. > Yes, there are some limitations, just to implement some commonly used functions. > In the follow-up process, if some problems are found, I will try to solve them. > OK, thank you, Youling. Warm reminder: those issues mentioned by Kazu might be modified when merging this patch series. So, for the v2: Acked-by: Lianbo Jiang <lijiang(a)redhat.com&gt;

Thanks. > Thanks, > Youling >> BTW: >> I have no MIPS machines, more things need to rely on MIPS engineers. Can other >> MIPS engineers help to test this patch? >> >> Thanks. >> Lianbo >> >>> The changes were tested on a mips64 Loongson-3A4000 processor. Can >>> successfully enter the crash command line and support for common >>> commands, such as bt, vtop, log commands, etc. >>> >>> Youling Tang (17): >>> Add MIPS64 framework code support >>> MIPS64: Support getting regs from kdump dumpfiles >>> MIPS64: Add gdb patch for Loongson machine >>> MIPS64: Make the crash tool successfully enter the crash command line >>> MIPS64: Add 'pte' command support >>> MIPS64: Add 'dis' command support >>> MIPS64: Fix display memory size issue >>> MIPS64: Add to get processor speed >>> MIPS64: Add 'mach' command support >>> MIPS64: Add basic support for the 'bt' command >>> MIPS64: Fixes for the gathering of the active task registers for the >>> 'bt' command >>> MIPS64: Add 'bt -f' command support >>> MIPS64: Add 'bt -l' command support >>> MIPS64: Add the realization of verify symbol >>> MIPS64: Add 'help -m/M' command support >>> MIPS64: Add 'help -r' command support >>> MIPS64: Add mips64 architecture support information >>> >>> Makefile | 7 +- >>> README | 4 +- >>> configure.c | 33 +- >>> defs.h | 139 +++++- >>> diskdump.c | 26 +- >>> gdb-7.6.patch | 21 +- >>> help.c | 4 +- >>> lkcd_vmdump_v2_v3.h | 3 +- >>> memory.c | 32 +- >>> mips64.c | 1365 +++++++++++++++++++++++++++++++++++++++++++++++++++ >>> netdump.c | 6 +- >>> symbols.c | 10 + >>> 12 files changed, 1621 insertions(+), 29 deletions(-) >>> create mode 100644 mips64.c >>> >>> -- 2.1.0