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Tracking down a MD bug

HELP Joshua Kwan 2 participants 3 messages Jun 24, 2004 – Jun 25, 2004

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Hello,

I've been running benchmarks on a ~2TB software RAID array of varying configurations using SuSE Linux 9.1's kernel 2.6.4-52-smp. I noticed that while resyncing a newly created RAID 5 array the kernel would just hang a few seconds after starting.

I compiled 2.6.7-mm1 just now and the RAID array is busy resyncing, and still alive, right now.

Are there any MD code changes that could have caused this so I can point SuSE somewhere? (Well, then again, many SuSE folks are on this list anyway...)

This is on the x86_64 architecture, highmem + SMP + SATA RAID adapter (although I'm not using it in hardware mode.) I'll provide config/dmesg from the old kernel on request.

Thanks,

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Joshua Kwan
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Quoted 7 lines · On Thursday June 24, [email protected] wrote:

Hello,

I've been running benchmarks on a ~2TB software RAID array of varying configurations using SuSE Linux 9.1's kernel 2.6.4-52-smp. I noticed that while resyncing a newly created RAID 5 array the kernel would just hang a few seconds after starting.

Quoted 6 lines

I compiled 2.6.7-mm1 just now and the RAID array is busy resyncing, and still alive, right now.

Are there any MD code changes that could have caused this so I can point SuSE somewhere? (Well, then again, many SuSE folks are on this list anyway...)

This is definitely a bug in the Suse 2.6.4-52 kernels, and I'm pretty sure they have fixed it.

NeilBrown

Quoted 16 lines

This is on the x86_64 architecture, highmem + SMP + SATA RAID adapter (although I'm not using it in hardware mode.) I'll provide config/dmesg from the old kernel on request.

Thanks,

Signature · 8 lines
Joshua Kwan


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#2 lore raw
Quoted 6 lines · Neil Brown
Quoted 3 lines

Are there any MD code changes that could have caused this so I can point SuSE somewhere? (Well, then again, many SuSE folks are on this list anyway...)

This is definitely a bug in the Suse 2.6.4-52 kernels, and I'm pretty sure they have fixed it.

Thanks, I upgraded the box to 2.6.5-7.75-smp and the bug has vanished.

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Joshua Kwan