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-   -   "failed to execute child process" "Input/output error" (http://www.linuxquestions.org/questions/fedora-35/failed-to-execute-child-process-input-output-error-688743/)

fl.bratu 12-06-2008 08:51 AM

"failed to execute child process" "Input/output error"
 
I have a Dell laptop running Linux Fedora Core 7 Moonshine. I am running Gnome desktop. I get very strange errors from time to time, of the type:

Failed to execute child process: [process-name] Input/output error

where [process-name] has happened up until now to be:
* gnome-screensaver - this used to happen a lot after I was booting. It annoyed me so I disabled the screensaver. However, the problem is not solved, read on...
* gnome-terminal - I try to open a new terminal, and I get the above-mentioned error.

I also mention that, after this error is displayed, I notice an important degratation is system response time: any GUI interaction is seriously delayed( 1-2 minutes ), and also from the terminal (Ctrl+Alt+F1) keyboard input is very slow.

Any suggestions regarding this behaviour?
Uname info:
Linux 2.6.23.17-88.fc7 #1 SMP i686

unSpawn 12-06-2008 11:32 AM

You should check your /var/log/messages for more information: there's probably more errors being logged and more going on (apart from Fedora 7 being outdated).

fl.bratu 12-06-2008 02:03 PM

What should I search in /var/log/messages for?
I've tried grepping for the string "error". Found some errors related to some yum repos being out of date - nothing to do with my error I guess. I also get warnings like this:

Dec 6 16:06:37 minus kernel: WARNING: at net/mac80211/rx.c:1695 __ieee80211_rx_handle_packet() (Tainted: P )
Dec 6 16:06:37 minus kernel: [<f8a04687>] __ieee80211_rx_handle_packet+0xa7/0x9c4 [mac80211]
Dec 6 16:06:37 minus kernel: [<f8ac006b>] iwl3945_rx_reply_rx+0x80d/0x818 [iwl3945]
Dec 6 16:06:37 minus kernel: [<f887b84c>] scsi_end_request+0xa1/0xab [scsi_mod]
Dec 6 16:06:37 minus kernel: [<f8a05c7f>] __ieee80211_rx+0x48d/0x4e8 [mac80211]
Dec 6 16:06:37 minus kernel: [<f8ab0171>] iwl3945_rx_queue_restock+0x8a/0x107 [iwl3945]
Dec 6 16:06:37 minus kernel: [<f89f7c7a>] ieee80211_tasklet_handler+0x3f/0xb9 [mac80211]
Dec 6 16:06:37 minus kernel: [<c047cfc2>] __slab_free+0x5c/0x216
Dec 6 16:06:37 minus kernel: [<c0431ed6>] tasklet_action+0x58/0xb8
Dec 6 16:06:37 minus kernel: [<c0431dee>] __do_softirq+0x66/0xd3
Dec 6 16:06:37 minus kernel: [<c0407405>] do_softirq+0x6c/0xce
Dec 6 16:06:37 minus kernel: [<c045b832>] handle_edge_irq+0x0/0xfc
Dec 6 16:06:37 minus kernel: [<c0431cb1>] irq_exit+0x38/0x6b
Dec 6 16:06:37 minus dhclient: DHCPACK from 193.51.208.129
Dec 6 16:06:37 minus kernel: [<c0407506>] do_IRQ+0x9f/0xb9
Dec 6 16:06:37 minus kernel: [<c0407ef1>] do_syscall_trace+0x4b/0xde
Dec 6 16:06:37 minus kernel: [<c0405b6f>] common_interrupt+0x23/0x28
Dec 6 16:06:37 minus kernel: [<c0610000>] xfrm_send_policy_notify+0x270/0x4fd
Dec 6 16:06:37 minus kernel: =======================

Nothing else suspicios that I've noticed...

unSpawn 12-06-2008 04:42 PM

Quote:

Originally Posted by fl.bratu (Post 3366582)
What should I search in /var/log/messages for?

Basically anything out of the ordinary because at this point you have not provided enough info to be able to exclude anything.


Quote:

Originally Posted by fl.bratu (Post 3366582)
kernel: WARNING: at net/mac80211/rx.c:1695 __ieee80211_rx_handle_packet() (Tainted: P )

That's one of the reasons not to run outdated distro releases. If that was related to the mac80211/iw.* module it was previously fixed in F8 which ran a 2.6.24.*something kernel.

fl.bratu 12-15-2008 04:03 AM

Ok; does anybody have any suggestion related to the actual issue posted?


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