Bug 1027478 - Systemd is stuck in loop when reading possibly wrong acpi FPDT
Summary: Systemd is stuck in loop when reading possibly wrong acpi FPDT
Alias: None
Product: Fedora
Classification: Fedora
Component: systemd
Version: 20
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: systemd-maint
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2013-11-06 22:30 UTC by Pavel Holica
Modified: 2013-11-24 23:49 UTC (History)
7 users (show)

Fixed In Version: systemd-208-6.fc20
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1029346 (view as bug list)
Last Closed: 2013-11-24 23:49:16 UTC
Type: Bug

Attachments (Terms of Use)
/sys/firmware/acpi/tables/FPDT taken from system (144 bytes, application/octet-stream)
2013-11-06 22:30 UTC, Pavel Holica
no flags Details
proposed patch (977 bytes, patch)
2013-11-06 22:32 UTC, Pavel Holica
no flags Details | Diff

Description Pavel Holica 2013-11-06 22:30:17 UTC
Created attachment 820773 [details]
/sys/firmware/acpi/tables/FPDT taken from system

Description of problem:
I've upgraded to systemd-208-4 (together with Fedora 20) on my Acer Aspire One D270 netbook and suffered stuck during boot after systemd launched (in initramfs).
I've tried acpi=off and system booted. After code investigation I found that acpi_get_boot_usec in src/shared/acpi-fpdt.c is stuck in loop if rec->length is zero.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. read FPDT in attachment using acpi_get_boot_usec function

Actual results:
function is stuck in loop

Expected results:
function returns -EINVAL or something else, but doesn't loop

Additional info:
I have current BIOS for system.

Comment 1 Pavel Holica 2013-11-06 22:32:11 UTC
Created attachment 820774 [details]
proposed patch

Here is patch that I've tested on my system. This change doesn't have any effect on correct sizes.

Comment 2 Zbigniew Jędrzejewski-Szmek 2013-11-07 06:25:30 UTC
Applied in http://cgit.freedesktop.org/systemd/systemd/commit/?id=f8f8193.

Comment 3 Fedora Update System 2013-11-20 04:55:19 UTC
systemd-208-6.fc20 has been submitted as an update for Fedora 20.

Comment 4 Fedora Update System 2013-11-24 03:33:34 UTC
Package systemd-208-6.fc20:
* should fix your issue,
* was pushed to the Fedora 20 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing systemd-208-6.fc20'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).

Comment 5 Fedora Update System 2013-11-24 23:49:16 UTC
systemd-208-6.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

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