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Bug#916663: marked as done (libc6-udeb segfaults in buster alpha 4)

Your message dated Mon, 17 Dec 2018 13:28:18 +1100
with message-id <20181217022818.pyo4m4eleox4qmcj@mayhem.atnf.CSIRO.AU>
and subject line closing 916663
has caused the Debian Bug report #916663,
regarding libc6-udeb segfaults in buster alpha 4
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
916663: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916663
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: libc6-udeb
Version: 2.28-2
Severity: important

Trying to install with the netinst image from [1]

The hardware is a Dell Optiplex with 64-bit Intel processor.
There is an old install of jessie on the disk, which is two
SSDs in software raid-1. One partition for /, the rest is LVM.

I am doing the interactive install.
Set country = AU, keyboard = US, TZ location = New South Wales
Set up root password and default user account.
Set mirror to: ftp.au.debian.org, also tried deb.debian.org.

Right after libc6-udeb is downloaded I get a segfault.

Below is a transcription of the console (alt-f4) at the point
where the failure occurs. Once the segfault starts, I can't
run any commands at all, not even <ctrl>-<alt>-<del>.

Dec 16 23:59:50 anna-install: Installing partman-auto-lvm
Dec 16 23:59:50 anna[4872] DEBUG: retrieving libc6-udeb 2.28-2
Dec 16 23:59:51 anna[4072] 2018-12-16 23:59:21 URL:http://cdn-fastly.deb.debian.org/debian//pool/main/glibc/libc6_udeb_2.28-2_amd64.udeb [1323560/1323560] -> "/var/cache/anna/_fetch-url_libc6-udeb_2.28-2_amd64.udeb.4878" [1]
Dec 16 23:59:51 kernel: [  149.467327] sh[4906]: segfault at 401d00002460 ip 00007175b54b207 sp 00007ffdf4711990 error 4 in libc-2.28.so[7f75b54a7000+148000]
Dec 16 23:59:51 kernel: [  149.467332] Code: 66 45 85 c0 0f 84 71 01 00 00 4c 8b 41 10 4d 85 6d 01 00 00 4c 39 cd 0f 84 70 01 00 00 0f 1f 00 48 83 c7 04 83 c0 01 <f6> 47 fc 01 75 83 89 c1 48 8d 0c 49 49 8d 0c ca 44 0f b7 41 06 66

In case this is a repeat of whatever 837123 was (it seems different)
I tried booting a stretch netinst image on the same hardware, using
the same tftp server, deb.debian.org as mirror. All seems fine, the
installer dropped me into the partitioner so I left it at that.

I tried on different hardware, to check.
This was similar to the first system (Dell Optiplex 990),
but running stretch. Single 1Tb SATA disk, separate / and the rest LVM.
I see the same segfault at the same point the installation process.

Kind regards
Vince

[1] http://ftp.us.debian.org/debian/dists/buster/main/installer-amd64/current/images/netboot/debian-installer/amd64

--

--- End Message ---
--- Begin Message --- 
This turns out to have been (expected) version skew between the alpha 4 
netboot image and the rest of the installer. It wasn't a bug.
Perhaps the documentation of how to use the netboot image
could be improved.

--- End Message ---
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