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Sat, 22 May 2021 16:20:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:56794) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lkY6M-0005CI-9S for bug-guix@gnu.org; Sat, 22 May 2021 16:20:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lkY6M-0002Ef-3s for bug-guix@gnu.org; Sat, 22 May 2021 16:20:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#48591: ugrep: illegal instruction Resent-From: Christopher Howard Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Sat, 22 May 2021 20:20:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 48591 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 48591@debbugs.gnu.org X-Debbugs-Original-To: Guix Bug Reports Received: via spool by submit@debbugs.gnu.org id=B.16217147918570 (code B ref -1); Sat, 22 May 2021 20:20:02 +0000 Received: (at submit) by debbugs.gnu.org; 22 May 2021 20:19:51 +0000 Received: from localhost ([127.0.0.1]:40107 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lkY6B-0002E9-EI for submit@debbugs.gnu.org; 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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=kolabnow.com header.s=dkim20160331 header.b=TmgwU6Kn; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Spam-Score: -1.43 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=kolabnow.com header.s=dkim20160331 header.b=TmgwU6Kn; dmarc=none; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: E9599263F7 X-Spam-Score: -1.43 X-Migadu-Scanner: scn0.migadu.com X-TUID: gfyFAvW4bTKj --=-STz/X+4pIRh1d+lBXLMk Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Hi, I found another package, ugrep, which is evidently using native instructions that do not work on my processor. When I run ugrep (e.g., `ugrep -Q') it immediately dies with error 'illegal instruction'. However, if I pull the source with `guix build -S' and build and install it to a local directory, it runs without trouble. I'm sure this will also be a reproducibility bug, and plan on submitting guix challenge results. However, the command I am running to rebuild ugrep without grafts or substitutes is rebuilding everything all the way back to bootstrap, so it probably will not be completed for a day or two: guix gc -D $(guix build --no-grafts ugrep); guix build --no-substitutes ugrep Please compare similar bug 48373. It didn't seem worth the trouble of running an object dump and figuring out which instruction is illegal, but I could do that if required. My system information: christopher@nightshade ~$ grep 'flags' /proc/cpuinfo | head -n 1 flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt hw_pstate vmmcall npt lbrv svm_lock nrip_save christopher@nightshade ~$ neofetch --stdout christopher@nightshade ---------------------- OS: Guix System d4ffa9630277fa8699c783c08381d688626d4bc3 x86_64 Host: GA-880GM-UD2H Kernel: 5.12.5-gnu Uptime: 1 hour, 30 mins Packages: 107 (guix-system), 93 (guix-user) Shell: bash 5.0.16 Resolution: 1920x1200 DE: GNOME 3.34.5 Theme: Adwaita [GTK2/3] Icons: Adwaita [GTK2/3] Terminal: kitty CPU: AMD Athlon II X3 455 (3) @ 3.300GHz GPU: NVIDIA GeForce 8400 GS Rev. 3 Memory: 1573MiB / 7957MiB christopher@nightshade ~$ guix describe Generation 5 May 22 2021 09:43:30 (current) guix d4ffa96 repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: d4ffa9630277fa8699c783c08381d688626d4bc3 -- Christopher Howard blog: https://librehacker.com social: https://gnusocial.club/librehacker --=-STz/X+4pIRh1d+lBXLMk Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Hi, I found another package, ugrep, which is evidently using nativ= e instructions that do not work on my processor. When I run ugrep (e.g., `u= grep -Q') it immediately dies with error 'illegal instruction'. However, if= I pull the source with `guix build -S' and build and install it to a local= directory, it runs without trouble.

I'm sure this= will also be a reproducibility bug, and plan on submitting guix challenge = results. However, the command I am running to rebuild ugrep without grafts = or substitutes is rebuilding everything all the way back to bootstrap, so i= t probably will not be completed for a day or two:

guix gc -D $(guix build --no-grafts ugrep); guix build --no-substitutes ug= rep

Please compare similar bug 48373. It didn't se= em worth the trouble of running an object dump and figuring out which instr= uction is illegal, but I could do that if required.

My system information:

christopher@nightshade ~$ grep 'flags' /pro= c/cpuinfo | head -n 1
flags : fpu vme de pse tsc msr pae mce cx8= apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall = nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good n= opl nonstop_tsc cpuid extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legac= y svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skini= t wdt hw_pstate vmmcall npt lbrv svm_lock nrip_save

christopher@nightshade ~$ n= eofetch --stdout
---------------------- 
OS: Guix System d4ffa9630277fa8699c783c08381d688626d4bc3 x86_64 
Host: GA-880GM-UD2H 
Kernel: 5.12.5-gnu 
Uptime: 1 hour, 30 mins 
Packages: 107 (guix-system), 93 (= guix-user) 
Shell: bash 5.0.16 
Resolution: 1= 920x1200 
DE: GNOME 3.34.5 
Theme: Adwaita [G= TK2/3] 
Icons: Adwaita [GTK2/3] 
Terminal: ki= tty 
CPU: AMD Athlon II X3 455 (3) @ 3.300GHz 
GPU: NVIDIA GeForce 8400 GS Rev. 3 
Memory: 1573MiB / 7957= MiB 

christopher@nightshade ~$ guix describe
Generation 5 May 22= 2021 09:43:30 (current)
  guix d4ffa96
 &nbs= p;  repository URL: https://git.savannah.gnu.org/git/guix.git
 &nbs= p;  branch: master
    commit: d4ff= a9630277fa8699c783c08381d688626d4bc3

--=
Christopher Howard
<= /span>
--=-STz/X+4pIRh1d+lBXLMk--