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Subject: |
Guix gc killed live roots - broke git |
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Date: |
Mon, 07 Jan 2019 02:07:42 -0800 |
Hi
Yesterday I hacked on guix. Everything was fine. Store was 43G.
I ran guix gc to clean up.
Afterwards git broke:
$ git pull swedebugia
fatal: unable to fork
Stracing it reveals that it is missing something (see full attached):
execve("/home/sdb/.guix-profile/bin/git", ["git", "pull", "swedebugia"],
0x7ffe05bad790 /* 66 vars */) = 0
brk(NULL) = 0xbfe000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7f61627a1000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
...
$ which git
/home/sdb/.guix-profile/bin/git
$ guix --version
guix (GNU Guix) 0.16.0 <- vanilla 0.16 initted from the installer
$ guix package -l|grep -5 git
Generation 1 Dec 24 2018 07:36:14
emacs-paredit 24 out
/gnu/store/1zha5anxg029qfl7r569aap5lfyrb66a-emacs-paredit-24
emacs-no-x 26.1 out
/gnu/store/9v7m3c83rm1rgi99ph5xdkpnnd0c62x4-emacs-no-x-26.1
setxkbmap 1.3.1 out
/gnu/store/3px1119mhx9q7xzmi5jlg5wylhkx84cr-setxkbmap-1.3.1
git 2.19.2 out /gnu/store/iffgahfxnk13narndlaqf9xm0yhyhyyv-git-2.19.2
Is this a bug?
If yes I think it is serious.
--
Cheers
Swedebugia
strace-git.txt
Description: Text document
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--- Begin Message ---
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Subject: |
Re: bug#34006: Guix gc killed live roots - broke git |
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Date: |
Sat, 12 Jan 2019 11:02:16 -0800 |
On 2019-01-08 07:50, Mark H Weaver wrote:
> Hi,
>
> swedebugia <address@hidden> writes:
>
>> On 2019-01-07 12:31, Ricardo Wurmus wrote:
>>>
>>>> $ git pull swedebugia
>>>> fatal: unable to fork
>>>>
>>>> Stracing it reveals that it is missing something (see full attached):
>>>
>>> Where do you see that?
>>
>> Ah, sorry the full command was:
>> strace git pull swedebugia
>
> I looked at the strace output you provided, and didn't find any evidence
> of a missing file, which I doubt would lead to the error message "unable
> to fork" anyway. The short excerpt that you quoted in your earlier mail
> showed the failure to find "/etc/ld.so.preload", but that's expected,
> and does not indicate a problem. The problem might be happening in the
> child process (/home/sdb/.guix-profile/libexec/git-core/git), so adding
> the -f option to strace, i.e. "strace -f git pull swedebugia", might
> yield more useful information.
>
> If I'm not mistaken, "unable to fork" more likely indicates a lack of
> available resources, possibly due to configured resource limits (see
> ulimit(3) and the 'ulimit' bash builtin, e.g. try "ulimit -a").
> Otherwise, I guess it could be due to restrictions imposed by the use of
> a security framework.
Tried again with "strace -f" and got this:
stat("/home/sdb/.guix-profile/libexec/git-core/ssh", 0x7ffe26617620) =
-1 ENOENT (No such file or directory)
stat("/gnu/store/6ff29rxibnfzabp17qj3mzpc8jggrmsn-profile/bin/ssh",
0x7ffe26617620) = -1 ENOENT (No such file or directory)
stat("/gnu/store/6ff29rxibnfzabp17qj3mzpc8jggrmsn-profile/sbin/ssh",
0x7ffe26617620) = -1 ENOENT (No such file or directory)
stat("/home/sdb/.local/bin;/home/sdb/.guix-profile/bin/ssh",
0x7ffe26617620) = -1 ENOENT (No such file or directory)
stat("/home/sdb/.guix-profile/sbin/ssh", 0x7ffe26617620) = -1 ENOENT (No
such file or directory)
stat("/run/setuid-programs/ssh", 0x7ffe26617620) = -1 ENOENT (No such
file or directory)
stat("/home/sdb/.config/guix/current/bin/ssh", 0x7ffe26617620) = -1
ENOENT (No such file or directory)
stat("/home/sdb/.guix-profile/bin/ssh", 0x7ffe26617620) = -1 ENOENT (No
such file or directory)
stat("/home/sdb/.guix-profile/sbin/ssh", 0x7ffe26617620) = -1 ENOENT (No
such file or directory)
stat("/run/current-system/profile/bin/ssh", 0x7ffe26617620) = -1 ENOENT
(No such file or directory)
stat("/run/current-system/profile/sbin/ssh", 0x7ffe26617620) = -1 ENOENT
(No such file or directory)
close(14) = 0
So installing ssh might be a good idea >D
Solved! :D
--
Cheers
Swedebugia
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