Mailinglist Archive: opensuse-bugs (10053 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=237675

           Summary: System hangs when copy files in SLES9 SP3
           Product: SUSE Linux 10.1
           Version: Final
          Platform: x86-64
        OS/Version: SLES 9
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: Kernel
        AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
        ReportedBy: Tom.gao@xxxxxxxxxx
         QAContact: qa@xxxxxxx


I have several AMD dual core systems sufferring this issue that when  creating
a software raid 1(using sles mdadm) or doing a regular "cp", or dd from disk0
to /dev/null, I/O stops. We start getting errors on screen.
hde: dma_timer_expiry: dma status == 0x24
hde: DMA interrupt recovery
hde: lost interrupt
hde: dma_timer_expiry: dma status == 0x24
hdg: dma_timer_expiry: dma status == 0x24 .....
After ctl +c   have to wait 5 minutes until I/O begins to answer.
OR
To reboot have to unplug one of the disks or wait for about 5 minutes.
a normal dd if=/dev/hde of=/dev/null or a cp -r / /mnt/newroot (mounted on
hdg) puts the system unresponsive

It can be easily duplicated  with a soft raid(mount on /raid) built when os
installed, then cp -r / /raid, error message are showed in dmesg within 5 min,
system hangs then. I found that use PIC instead of APIC can fix this and i
don't know why...


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