Re: [Bug #13374] reiserfs blocked for more than 120secs

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On Tuesday 18 August 2009, Harald Dunkel wrote:
> Hi Rafael,
> 
> I haven't seen the 120secs timeout yet, but using 2.6.31-rc5 there _are_
> some delays that I am not sure of. Sometimes it takes about 30 secs till
> the XWindow server comes up, for example. (I use xinit on the command line
> at login. / and /home are both reiserfs.) For 2.6.30.4 and older I haven't
> seen this delay yet, AFAIR.
> 
> Most recent event: I tried to format a 4 GByte USB stick with reiserfs.
> Here is the screen output:
> 
> 	# device=/dev/sdf
> 	# parted $device mklabel gpt
> 	Warning: The existing disk label on /dev/sdf will be destroyed and
> 	all data on this disk will be lost. Do you want to continue?
> 	Yes/No? Yes
> 	Information: You may need to update /etc/fstab.
> 
> 	# parted -- $device mkpart primary 0s -1s
> 	Warning: You requested a partition from 0.00B to 4127MB.
> 	The closest location we can manage is 17.4kB to 4127MB.
> 	Is this still acceptable to you?
> 	Yes/No? Yes
> 	Information: You may need to update /etc/fstab.
> 
> 	# mkreiserfs -l usbstick /dev/sdf1
> 	mkreiserfs 3.6.21 (2009 www.namesys.com)
> 	:
> 	:
> 	UUID: 154d66cc-02ac-4979-9a39-163e3cf80623
> 	LABEL: usbstick
> 	ATTENTION: YOU SHOULD REBOOT AFTER FDISK!
> 	        ALL DATA WILL BE LOST ON '/dev/sdf1'!
> 	Continue (y/n):y
> 	Initializing journal - 0%....20%....40%....60%....80%....100%
> 	Syncing..ok
> 	ReiserFS is successfully created on /dev/sdf1.
> 
> It took about 2 to 3 minutes till the "ok" in the "Syncing" line
> was shown. /var/log/messages was silent. When I tried to reproduce
> the delay it was gone, of course.

Thanks for the update.

> Since I would like to try 2.6.31-rc6 anyway, maybe you could post
> some hints about what debugging options to set in the config file?

Unfortunately, I don't have much experience with debugging issues of this kind.

Perhaps Tejun will have some hints (CC added)?

Best,
Rafael
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