Re: [BUG] The kernel thread for md RAID1 could cause a md RAID1 array deadlock

2008-01-29 Thread K.Tanaka
Hi, Also, md raid10 seems to have the same problem. I will test raid10 applying this patch as well. Sorry for the late response. I had a trouble with reproducing the problem, but it turns out that the 2.6.24 kernel needs the latest (possibly testing) version of systemtap-0.6.1-1 to run systemtap

Re: [BUG] The kernel thread for md RAID1 could cause a md RAID1 array deadlock

2008-01-24 Thread K.Tanaka
Hi, Thank you for the patch. I have applied the patch to 2.6.23.14 and it works well. - In case of 2.6.23.14, the problem is reproduced. - In case of 2.6.23.14 with this patch, raid1 works well so far. The fault injection script continues to run, and it doesn't deadlock. I will keep it

Re: [BUG] The kernel thread for md RAID1 could cause a md RAID1 array deadlock

2008-01-23 Thread Neil Brown
On Tuesday January 15, [EMAIL PROTECTED] wrote: This message describes the details about md-RAID1 issue found by testing the md RAID1 using the SCSI fault injection framework. Abstract: Both the error handler for md RAID1 and write access request to the md RAID1 use raid1d kernel thread.

[BUG] The kernel thread for md RAID1 could cause a md RAID1 array deadlock

2008-01-14 Thread K.Tanaka
This message describes the details about md-RAID1 issue found by testing the md RAID1 using the SCSI fault injection framework. Abstract: Both the error handler for md RAID1 and write access request to the md RAID1 use raid1d kernel thread. The nr_pending flag could cause a race condition in