Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-26 Thread Justin Piszcz
Just re-ran the test 4-5 times, could not reproduce this one, but I'll keep running this kernel w/patch for a while and see if it happens again. On Fri, 26 Jan 2007, Andrew Morton wrote: > On Wed, 24 Jan 2007 18:37:15 -0500 (EST) > Justin Piszcz <[EMAIL PROTECTED]> wrote: > > > > Without diggin

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-26 Thread Justin Piszcz
On Fri, 26 Jan 2007, Andrew Morton wrote: > On Wed, 24 Jan 2007 18:37:15 -0500 (EST) > Justin Piszcz <[EMAIL PROTECTED]> wrote: > > > > Without digging too deeply, I'd say you've hit the same bug Sami Farin and > > > others > > > have reported starting with 2.6.19: pages mapped with kmap_atomic

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-26 Thread Andrew Morton
On Wed, 24 Jan 2007 18:37:15 -0500 (EST) Justin Piszcz <[EMAIL PROTECTED]> wrote: > > Without digging too deeply, I'd say you've hit the same bug Sami Farin and > > others > > have reported starting with 2.6.19: pages mapped with kmap_atomic() become > > unmapped > > during memcpy() or similar ope

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-24 Thread Justin Piszcz
On Mon, 22 Jan 2007, Chuck Ebbert wrote: > Justin Piszcz wrote: > > My .config is attached, please let me know if any other information is > > needed and please CC (lkml) as I am not on the list, thanks! > > > > Running Kernel 2.6.19.2 on a MD RAID5 volume. Copying files over Samba to > > the R

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-23 Thread Justin Piszcz
On Tue, 23 Jan 2007, Michael Tokarev wrote: > Justin Piszcz wrote: > > > > On Tue, 23 Jan 2007, Michael Tokarev wrote: > > > >> Disabling pre-emption on critical and/or server machines seems to be a good > >> idea in the first place. IMHO anyway.. ;) > > > > So bottom line is make sure not to

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-23 Thread Michael Tokarev
Justin Piszcz wrote: > > On Tue, 23 Jan 2007, Michael Tokarev wrote: > >> Disabling pre-emption on critical and/or server machines seems to be a good >> idea in the first place. IMHO anyway.. ;) > > So bottom line is make sure not to use preemption on servers or else you > will get weird spinlo

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-23 Thread Justin Piszcz
On Tue, 23 Jan 2007, Michael Tokarev wrote: > Justin Piszcz wrote: > [] > > Is this a bug that can or will be fixed or should I disable pre-emption on > > critical and/or server machines? > > Disabling pre-emption on critical and/or server machines seems to be a good > idea in the first place.

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-23 Thread Michael Tokarev
Justin Piszcz wrote: [] > Is this a bug that can or will be fixed or should I disable pre-emption on > critical and/or server machines? Disabling pre-emption on critical and/or server machines seems to be a good idea in the first place. IMHO anyway.. ;) /mjt - To unsubscribe from this list: sen

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-23 Thread Justin Piszcz
On Tue, 23 Jan 2007, Neil Brown wrote: > On Monday January 22, [EMAIL PROTECTED] wrote: > > Justin Piszcz wrote: > > > My .config is attached, please let me know if any other information is > > > needed and please CC (lkml) as I am not on the list, thanks! > > > > > > Running Kernel 2.6.19.2 on

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-22 Thread Neil Brown
On Monday January 22, [EMAIL PROTECTED] wrote: > On 1/22/07, Neil Brown <[EMAIL PROTECTED]> wrote: > > On Monday January 22, [EMAIL PROTECTED] wrote: > > > Justin Piszcz wrote: > > > > My .config is attached, please let me know if any other information is > > > > needed and please CC (lkml) as I am

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-22 Thread Dan Williams
On 1/22/07, Neil Brown <[EMAIL PROTECTED]> wrote: On Monday January 22, [EMAIL PROTECTED] wrote: > Justin Piszcz wrote: > > My .config is attached, please let me know if any other information is > > needed and please CC (lkml) as I am not on the list, thanks! > > > > Running Kernel 2.6.19.2 on a

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-22 Thread Neil Brown
On Monday January 22, [EMAIL PROTECTED] wrote: > Justin Piszcz wrote: > > My .config is attached, please let me know if any other information is > > needed and please CC (lkml) as I am not on the list, thanks! > > > > Running Kernel 2.6.19.2 on a MD RAID5 volume. Copying files over Samba to > >

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-22 Thread Chuck Ebbert
Justin Piszcz wrote: My .config is attached, please let me know if any other information is needed and please CC (lkml) as I am not on the list, thanks! Running Kernel 2.6.19.2 on a MD RAID5 volume. Copying files over Samba to the RAID5 running XFS. Any idea what happened here? [473795.214

Re: Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-20 Thread Justin Piszcz
On Sat, 20 Jan 2007, Justin Piszcz wrote: > My .config is attached, please let me know if any other information is > needed and please CC (lkml) as I am not on the list, thanks! > > Running Kernel 2.6.19.2 on a MD RAID5 volume. Copying files over Samba to > the RAID5 running XFS. > > Any id

Kernel 2.6.19.2 New RAID 5 Bug (oops when writing Samba -> RAID5)

2007-01-20 Thread Justin Piszcz
My .config is attached, please let me know if any other information is needed and please CC (lkml) as I am not on the list, thanks! Running Kernel 2.6.19.2 on a MD RAID5 volume. Copying files over Samba to the RAID5 running XFS. Any idea what happened here? [473795.214705] BUG: unable to hand