From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on sa.local.altlinux.org X-Spam-Level: ** X-Spam-Status: No, score=2.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DNS_FROM_AHBL_RHSBL,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.0 Message-ID: <54C6197E.2030003@gmail.com> Date: Mon, 26 Jan 2015 13:39:58 +0300 From: Alexey Gladkov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 MIME-Version: 1.0 To: Linux console tools development discussion , Lennart Poettering References: <20150123021329.GF2702@gardel-login> In-Reply-To: OpenPGP: id=4CFFD434; url=http://pgp.mit.edu:11371/pks/lookup?op=vindex&fingerprint=on&search=0xA45ABA544CFFD434 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: systemd Mailing List Subject: Re: [kbd] [systemd-devel] systemd-vconsole-setup fails very slowly X-BeenThere: kbd@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: Linux console tools development discussion List-Id: Linux console tools development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Jan 2015 10:40:02 -0000 Archived-At: List-Archive: 23.01.2015 05:29, Andy Lutomirski пишет: > On Thu, Jan 22, 2015 at 6:13 PM, Lennart Poettering > wrote: >> On Wed, 21.01.15 19:15, Andy Lutomirski (luto@amacapital.net) wrote: >> >>> Hi all- >>> >>> When running virtme (a simple vm gadget) on Fedora 21, the slowest >>> part of bootup by far appears to be systemd-vconsole-setup: >>> >>> # time /usr/lib/systemd/systemd-vconsole-setup >>> putfont: PIO_FONT trying ... >>> ................... >>> setfont: putfont: 512,8x16: failed: -1 >>> putfont: PIO_FONT: Invalid argument >>> /usr/bin/setfont failed with error code 71. >> >> setfont is not part of systemd, we just invoke it. If that fails, this >> is a problem somewhere between the VM, the kernel and console-tools. >> > > Aha -- I missed that systemd-vconsole-setup calls setfont. I can > trigger the same problem by just typing setfont. For whatever reason, > my other Fedora 21 computer only has this problem if I type setfont > and not if I run systemd-vconcole-setup. > >> My uneducated guess is that your virtual machine boots up with a >> non-graphical console, and the tool thus tries to upload the fonts >> into the good old VGA hw text mode glyph tables, and qemu is very slow >> at that... Or something like that. > > setfont is doing this: > > nanosleep({0, 250000000}, NULL) = 0 > ioctl(3, PIO_FONT, 0xfbc010) = -1 EINVAL (Invalid argument) > write(2, ".", 1.) = 1 > nanosleep({0, 250000000}, NULL) = 0 > ioctl(3, PIO_FONT, 0xfbc010) = -1 EINVAL (Invalid argument) > write(2, ".", 1.) = 1 > nanosleep({0, 250000000}, NULL) = 0 > ioctl(3, PIO_FONT, 0xfbc010) = -1 EINVAL (Invalid argument) > write(2, ".", 1.) = 1 > nanosleep({0, 250000000}, NULL) = 0 > ioctl(3, PIO_FONT, 0xfbc010) = -1 EINVAL (Invalid argument) > write(2, ".", 1.) = 1 > nanosleep({0, 250000000}, NULL) = 0 > ioctl(3, PIO_FONT, 0xfbc010) = -1 EINVAL (Invalid argument) > write(2, ".", 1.) = 1 > > This thing has only a serial console: > > # cat /proc/consoles > ttyS0 -W- (EC a) 4:64 > > setfont does this: > > /* we allow ourselves to hang here for ca 5 seconds, xdm may > be playing tricks on us. */ > while ((loop++ < 20) && (i = ioctl(fd, PIO_FONT, buf))) > { > if (loop <= 1) > fprintf(stderr, "putfont: PIO_FONT trying ...\n"); > else > fprintf(stderr, "."); > usleep(250000); > } > fprintf(stderr, "\n"); > > Alexey, would it make sense to remove this loop or to add a way to turn it off? Sure. I'll add way to turn it off. By the way, I planning to rewrite the setfont in library. Just like a loadkeys has been rewritten in to library. -- Rgrds, legion