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Message-ID: <b53d966b-7828-18f6-db38-1f3d80c6d92d@gmail.com>
Date: Mon, 15 Nov 2021 18:32:28 +0100
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Subject: Re: Cygwin 3.3.0 regression: "make" segmentation faults
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To: cygwin AT cygwin DOT com
References: <5b61de48-0d57-38fb-4997-20f55a20030f AT redhat DOT com>
In-Reply-To: <5b61de48-0d57-38fb-4997-20f55a20030f@redhat.com>
From: Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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On 15.11.2021 17:47, Aleksey Shipilev via Cygwin wrote:
> Hi,
> 
> OpenJDK project uses Cygwin to drive the OpenJDK build system under 
> Windows. Recently, our GitHub Actions (GHA) Windows runs started to fail 
> with make SEGV-ing:
>      https://bugs.openjdk.java.net/browse/JDK-8276854
>

[cut]
> Any help would be appreciated. I have a working Windows VM where this 
> issue reliably reproduces. Perhaps an easier way to follow up on this is 
> to use me as remote hands.
> 
> After installing make-devel and doing "ulimit -c unlimited", I have got 
> this stackdump:
> 
> Exception: STATUS_ACCESS_VIOLATION at rip=0018017516C
> rax=0000000000000001 rbx=00000008004BE630 rcx=0000000000000001
> rdx=00000000FFFFFFFF rsi=0000000800000000 rdi=0000000000000001
> r8 =FFFFFFFFFFFFFFF1 r9 =0000000000000001 r10=0000000180320880
> r11=0000000800000000 r12=0000000000000001 r13=0000000180243A80
> r14=0000000000000000 r15=0000000000000000
> rbp=0000000800403440 rsp=00000000FFFF99B0
> program=C:\cygwin64\bin\make.exe, pid 61490, thread main
> cs=0033 ds=002B es=002B fs=0053 gs=002B ss=002B
> Stack trace:
> Frame        Function    Args
> 00800403440  0018017516C (00100438940, 00800000000, 00000000001, 
> 00800403440)
> 00800403440  001800D7C68 (000FFFF9BE7, 00000000000, 000FFFF9BE7, 
> 008004035E0)
> 00800403440  0018018EB0B (000FFFF9BE7, 00000000000, 000FFFF9BE7, 
> 008004035E0)
> 00800403440  0010040F513 (000FFFFE410, 001802A4CB0, 00180366E08, 
> 00800071DB0)
> 00000000000  0010040F68C (00000000000, 001801402B0, 000FFFF9B20, 
> 00100427E70)
> 00100427D70  001004104E3 (00000000000, 00000000000, 00000000006, 
> 00000000000)
> 000FFFF9CD0  00100410D5F (7A01C9E544B96FAD, 00100419ED2, 001803231A0, 
> 00800323460)
> 0080034D8A0  0010041C15F (00000000006, 00000000002, 00000000000, 
> 00000000000)
> 00000000000  0010041C55E (00000000000, 00000000000, 00000000000, 
> 00000000000)
> 00000000000  0010041B5B0 (00000000004, 006FFFFFFB9, 303E90000F032, 
> 00180267740)
> 00000000000  0010041C55E (00000000000, 68F5F1EE9D7B, 00000000000, 
> 00000000103)
> 00000000000  0010041B5B0 (00000000002, 00000000000, 00100000000, 
> 00000000000)
> 00000000000  0010041C55E (000800D7C68, 00000000000, 000FFFFA2E8, 
> 008001DA120)
> 00000000000  0010041B5B0 (53454400000000, 6176652D2A2D2824, 
> 2D7367616C662D6C, 00000292D2A)
> 00100435590  0010041C985 (00000000000, 001803231A0, 00800075740, 
> 00100429B21)
> 000FFFFB360  00100426324 (001801B609A, 00000000000, 00000000000, 
> 000FFFFCD30)
> 000FFFFCD30  00180049B8D (00000000000, 00000000000, 00000000000, 
> 00000000000)
> 000FFFFFFF0  00180047746 (00000000000, 00000000000, 00000000000, 
> 00000000000)
> 000FFFFFFF0  001800477F4 (00000000000, 00000000000, 00000000000, 
> 00000000000)
> End of stack trace
> 
> It does not look particularly useful to me, I was hoping for symbol 
> names to be resolved, to be honest. I don't know what I am supposed to 
> do next. There is no "core" around, as far as I can see...
> 

install make-debuginfo and cygwin-debuginfo
than you can use addr2line to find the proper info

an example on:
https://stackoverflow.com/questions/37628530/how-to-debug-using-stackdump-file-in-cygwin/37629946#37629946

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