[DragonFlyBSD - Bug #1168] (Closed) Strange taskqueue timeouts

[Francois Tigeot via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #1168 has been updated by Francois Tigeot.

Status changed from Resolved to Closed


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Bug #1168: Strange taskqueue timeouts
http://bugs.dragonflybsd.org/issues/1168

Author: Michael Neumann
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


Hi,

I just rsynced my harddisk to a DragonFly box. After that, the box became more and more unusable (at first I could still
ping and ssh into it, then after a few seconds this also didn't worked anymore). It's a pretty "old" DragonFly I am using,
so probably I should compile a more recent kernel and the problem goes away. But maybe it's something worse, so I'll better
report it...

Regards,

   Michael

uname:

DragonFly  2.1.0-DEVELOPMENT DragonFly 2.1.0-DEVELOPMENT #1: Thu Aug 21 14:07:25 CEST 2008
     mneumann@nunus.localnet:/usr/src/sys/compile/GENERIC  i386

dmesg output:

swap_pager_getswapspace: failed
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing request directly
ad4: WARNING - SET_MULTI taskqueue timeout - completing request directly
ad4: TIMEOUT - READ_DMA48 retrying (1 retry left) LBA=373340928
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing request directly
ad4: WARNING - SET_MULTI taskqueue timeout - completing request directly
ad4: TIMEOUT - READ_DMA48 retrying (0 retries left) LBA=373340928
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing request directly
ad4: WARNING - SET_MULTI taskqueue timeout - completing request directly
ad4: TIMEOUT - READ_DMA retrying (1 retry left) LBA=8996640
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing request directly
ad4: WARNING - SET_MULTI taskqueue timeout - completing request directly
ad4: FAILURE - READ_DMA48 timed out LBA=373340928
ar0: FAILURE - SPAN array broken
ad4: WARNING - WRITE_DMA taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE RCACHE taskqueue timeout - completing request directly
ad4: WARNING - SETFEATURES ENABLE WCACHE taskqueue timeout - completing request directly
ad4: WARNING - SET_MULTI taskqueue timeout - completing request directly
ad4: TIMEOUT - READ_DMA retrying (0 retries left) LBA=8996640
ad4: WARNING - WRITE_DMA48 freeing taskqueue zombie request
Waiting (max 60 seconds) for system thread vnlru to stop...stopped
Waiting (max 60 seconds) for system thread bufdaemon to stop...stopped
Waiting (max 60 seconds) for system thread bufdaemon_hw to stop...stopped
Waiting (max 60 seconds) for system thread syncer to stop...stopped

syncing disks... 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
done
unmount(0xd24c7158,hammer): Forced unmount: 4 namecache references still present
unmount(0xd24c7158,hammer): Forced unmount: 9 process references still present


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