Red Hat Bugzilla – Bug 473759
rhgb option on kernel command line results in frozen X window
Last modified: 2009-12-18 02:02:57 EST
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:22.214.171.124) Gecko/2008111217 Fedora/3.0.4-1.fc10 Firefox/3.0.4
Having rhgb on the kernel cmd line results in frozen X window suddenly, after a while (~ in an hour). I could not really track down what is happening, so please clarify what kind of logs do you need. Probably, this is an issue with the gfx card driver?
Sometimes I could kill X with CTRL-ALT-Backspace, but sometimes it was more un-responsive. I could login from an other machine and CPU usage was not high. Seemingly only the X became frozen.
$ uname -a
Linux localhost.localdomain 126.96.36.199-117.fc10.x86_64 #1 SMP Tue Nov 18 11:58:53 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
00:00.0 Host bridge: ATI Technologies Inc RS690 Host Bridge
00:01.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (Internal gfx)
00:04.0 PCI bridge: ATI Technologies Inc Device 7914
00:05.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (PCI Express Port 1)
00:07.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (PCI Express Port 3)
00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA
00:13.0 USB Controller: ATI Technologies Inc SB600 USB (OHCI0)
00:13.1 USB Controller: ATI Technologies Inc SB600 USB (OHCI1)
00:13.2 USB Controller: ATI Technologies Inc SB600 USB (OHCI2)
00:13.3 USB Controller: ATI Technologies Inc SB600 USB (OHCI3)
00:13.4 USB Controller: ATI Technologies Inc SB600 USB (OHCI4)
00:13.5 USB Controller: ATI Technologies Inc SB600 USB Controller (EHCI)
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 14)
00:14.1 IDE interface: ATI Technologies Inc SB600 IDE
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia
00:14.3 ISA bridge: ATI Technologies Inc SB600 PCI to LPC Bridge
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:05.0 VGA compatible controller: ATI Technologies Inc RS690M [Radeon X1200 Series]
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01)
06:00.0 Network controller: Atheros Communications Inc. AR5418 802.11abgn Wireless PCI Express Adapter (rev 01)
07:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05)
07:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22)
07:01.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 12)
Steps to Reproduce:
1. Add rhgb option to kernel command line (do not use nomodeset on the same line)
2. Start in init 5
3. Use X (try to file a bugreport :))
4. X hangs after a while
X freeze, cold restart.
X should not freeze.
Removing rhgb from the kernel command line (or adding nomodeset) seems to work around this issue, but one will not have the nice graphical boot.
Sorry, at "Actual Results:" I meant X became frozen, so I needed to cold restart the machine. This is why I set the "Severity" urgent.
Maybe I have a similar problem like this https://bugzilla.redhat.com/show_bug.cgi?id=464866
I have seen the message "[mi] EQ overflowing. The server is probably stuck in an infinite loop." in the X log (the logs got overwritten).
In a few days I will try to provide more details by reproducing the fault.
Andras, please, file a separate bug for your issue. Thank you.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf, if available) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf (if you have one) whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Screen: built-in LCD panel. (I will use single headed X for these tests with the built-in LCD.)
Using nomodeset, with own Xorg.conf is stable.
Note: cc. every other startup the screen flickers (there are horizontal vibrating lines on the screen; when the screen is dark this is not visible). Switching to text mode (CTRL-ALT-Fx) and back resolves this issue.
Using nomodeset, with autogenerate Xorg.conf is also seems to be stable.
I will attach the logs right now.
Let me know, if you need tests / logs with the rhgb kernel option.
Created attachment 325775 [details]
Created attachment 325776 [details]
There will be no Xorg.0.log.old (would be the same as this file / overwritten).
Created attachment 325777 [details]
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Created attachment 325779 [details]
Created attachment 325780 [details]
Created attachment 325781 [details]
Created attachment 325782 [details]
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Created attachment 325784 [details]
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Created attachment 325793 [details]
# ls -ltr /var/log/Xorg.[0-9].log*
-rw-r--r-- 1 root root 6511 2008-07-12 10:05 /var/log/Xorg.7.log.old
-rw-r--r-- 1 root root 6511 2008-07-12 10:05 /var/log/Xorg.6.log.old
-rw-r--r-- 1 root root 6511 2008-07-13 11:47 /var/log/Xorg.8.log
-rw-r--r-- 1 root root 6511 2008-07-13 11:47 /var/log/Xorg.7.log
-rw-r--r-- 1 root root 6511 2008-07-13 11:47 /var/log/Xorg.6.log
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.1.log.old
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.5.log.old
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.4.log.old
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.3.log.old
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.2.log.old
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.3.log
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.2.log
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.1.log
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.5.log
-rw-r--r-- 1 root root 24859 2008-11-16 10:22 /var/log/Xorg.4.log
-rw-r--r-- 1 root root 59831 2008-12-05 04:42 /var/log/Xorg.0.log.old
-rw-r--r-- 1 root root 74200 2008-12-05 04:44 /var/log/Xorg.0.log
# grep -i overflow /var/log/Xorg.[0-9].log*
Somehow, those logs, which contained the "EQ overflowing" got overwritten.
Created attachment 325796 [details]
Xorg.0.log with autogenerated xorg.conf
With no xorg.conf the screen freeze (X hang) still happens.
See, the attached Xorg log, which now has some traces.
Created attachment 325880 [details]
no xorg.conf X still hangs after a while
Created attachment 325881 [details]
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