Messages in this thread | | | Date | Sun, 20 Jun 2004 20:29:20 +1000 | From | Nick Piggin <> | Subject | Re: Kernel 2.6.6 & 2.6.7 sometime hang after much I/O |
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Matthias Schniedermeyer wrote: > Hi > > > > First. Kernels <= 2.6.5 don't have this problem. After 2.6.6 show this > behaviour sometimes i downgraded to 2.6.5 as i thought that it would be > fixed in 2.6.7, but 2.6.7 also show this behaviour. > > The I/O i do is split some large files (>2GB) into smaller files <= 2GB. > Sometimes the process that does this just hangs (currently i have such a > hangung process), top currently shows up to 90% I/O-Wait. > > SOME of my "konsole"s(xterm) hang then too, but others don't (like this > where i type this email) starting new "konsole"s sometimes work, sometimes > not. > > System is: > Distribution: Debian SID. > 2xP3-933Mhz, 3GB-RAM, Serverworks HE-SL-Chipset > "System"-HDD is SCSI connected via Symbios-53c1010 (Dual U160) > "Data"-HDD(s)(where the split-process does it's work) is connected to a > Highpoint RocketRAID 1540 (HPT-374 Chipset) > Filesystem is XFS for the Data-HDD(s) and Reiserfs for the system-HDD. > > If other info is needed i will provide them. >
When the process has hung, press Alt + SysRq + T to get a task trace. Run
dmesg -s 1000000 > tmp
and send us tmp. You'd better send your .config and dmesg too.
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