Re: ChaCha20 vs. AES performance

2016-09-20 Thread Mathieu Chouquet-Stringer
zed for games. It's that cipher designers should have enough awareness of trends in CPU development to design ciphers that take advantage of the same features that games do. That's what he did with Salsa/ChaCha. *His subtext is that over the medium term he believes his ciphers will outpe

Re: Failure to remove snapshot with 3.12* and FS switches to read-only

2013-09-24 Thread Mathieu Chouquet-Stringer
On Mon, Sep 23, 2013 at 02:54:17PM +0200, Mathieu Chouquet-Stringer wrote: > My system is configured to do FS snapshots when I upgrade packages. I > have a cron job which runs at night to delete these snapshots. Its goal > is to keep 10 snapshots maximum, one per day if possible. >

Failure to remove snapshot with 3.12* and FS switches to read-only

2013-09-23 Thread Mathieu Chouquet-Stringer
w. Cheers, -- Mathieu Chouquet-Stringer m+bt...@thi.eu.com The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of

Failure to remove snapshot with 3.12* and FS switches to read-only

2013-09-23 Thread Mathieu Chouquet-Stringer
w. Cheers, -- Mathieu Chouquet-Stringer m+bt...@thi.eu.com The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of

Re: GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-14 Thread Mathieu Chouquet-Stringer
Hi, Anyone has any idea about what I should try next regarding this bug? On Mon, Dec 10, 2012 at 11:21:25PM +0100, Mathieu Chouquet-Stringer wrote: > after enabling page alloc and slub debug, I was able to capture an error > followed by the "usual" GPF. More below. >

Re: GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-10 Thread Mathieu Chouquet-Stringer
Hi again, after enabling page alloc and slub debug, I was able to capture an error followed by the "usual" GPF. More below. On Thu, Dec 06, 2012 at 03:34:58PM +0100, Mathieu Chouquet-Stringer wrote: > Using the last couple of kernels (3.6 or 3.7), scrubbing my btrfs fs (wh

GPF in read_extent_buffer while scrubbing on 3.7.0-rc8-00014-g27d7c2a

2012-12-06 Thread Mathieu Chouquet-Stringer
used=32.00KB System: total=4.00MB, used=0.00 Metadata, DUP: total=10.00GB, used=1.71GB Anything I could do to help diagnose the issue? I've seen Chris suggested to enable slub (I use slub, not slab) and pagealloc debug. What else? -- Mathieu Chouquet-Stringer

Re: Error: btrfs bad tree block

2011-12-19 Thread Mathieu Chouquet-Stringer
On Mon, Dec 19, 2011 at 01:33:05PM +0100, Mathieu Chouquet-Stringer wrote: > Any idea what I could try next? Or fsck I could use? ;-) -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears. -- Will

Error: btrfs bad tree block

2011-12-19 Thread Mathieu Chouquet-Stringer
btrfs bad tree block start 0 204055724032 This is running 3.2.0-rc6-5-ga36bfdd I've tried btrfsck but it segfaults haha... I didn't do anything special before that except I had a bunch of subvolumes and I deleted them. Any idea what I could try next? Thanks in advance,

Re: Btrfs bug with g38867a2 and a question

2011-09-23 Thread Mathieu Chouquet-Stringer
mes hangs doing write IOs... -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in

Re: Btrfs bug with g38867a2 and a question

2011-09-23 Thread Mathieu Chouquet-Stringer
b3 a0 01 00 00 4c 89 b3 a0 01 00 [ 512.456018] RIP [] btrfs_add_link+0x123/0x17c [btrfs] [ 512.456018] RSP [ 512.485056] ---[ end trace cea880cef8a5d83b ]--- -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears.

Re: Btrfs bug with g38867a2 and a question

2011-09-23 Thread Mathieu Chouquet-Stringer
On Thu, Sep 22, 2011 at 10:32:13PM +0200, Mathieu Chouquet-Stringer wrote: > On Thu, Sep 22, 2011 at 09:30:07PM +0200, Mathieu Chouquet-Stringer wrote: > > On Thu, Sep 22, 2011 at 03:00:03PM -0400, Josef Bacik wrote: > > > Oh wow sorry I sent you the completely wrong patch, I

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
On Thu, Sep 22, 2011 at 09:30:07PM +0200, Mathieu Chouquet-Stringer wrote: > On Thu, Sep 22, 2011 at 03:00:03PM -0400, Josef Bacik wrote: > > Oh wow sorry I sent you the completely wrong patch, I wish I had caught > > your reply earlier. Can you run with this patch, which is the

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
ch (seems your thunderbird mangled line returns) and I'm rebooting... -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line "uns

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
eu.csetco.com/btrfs/IMG_20110922_200900.jpg http://mathieu.csetco.com/btrfs/IMG_20110922_200909.jpg http://mathieu.csetco.com/btrfs/IMG_20110922_200922.jpg -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears. --

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
printk(KERN_ERR "adding bitmap [%llu-%llu]\n", + e->offset, e->bytes); spin_lock(&ctl->tree_lock); ret = link_free_space(ctl, e); ctl->total_bitmap

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
On Thu, Sep 22, 2011 at 01:05:28PM +0200, David Sterba wrote: > On Thu, Sep 22, 2011 at 12:13:44PM +0200, Mathieu Chouquet-Stringer wrote: > > On Thu, Sep 22, 2011 at 01:10:55AM +0200, David Sterba wrote: > > > please prefix printk messages with "btrfs: " > > >

Re: Btrfs bug with g38867a2 and a question

2011-09-22 Thread Mathieu Chouquet-Stringer
on is now: how do I recover from this? :-) -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs&quo

Re: Btrfs bug with g38867a2 and a question

2011-09-21 Thread Mathieu Chouquet-Stringer
1fcd9f (right after rebooting to this older kernel) so it doesn't seem to be related to the latest git... Not sure how to trigger the bug though, I'll keep you posted! -- Mathieu Chouquet-Stringer math...@csetco.com The sun itself sees not ti

Btrfs bug with g38867a2 and a question

2011-09-21 Thread Mathieu Chouquet-Stringer
haven't been able to find anything striking. Should I just submit something similar to this mailing list? [1] http://mathieu.csetco.com/btrfs-crash1.jpg http://mathieu.csetco.com/btrfs-crash2.jpg -- Mathieu Chouquet-Stringer math...@csetco.com Th

Re: Poor read performance on high-end server

2010-08-05 Thread Mathieu Chouquet-Stringer
/dev/sdr /dev/sds > nodesize 4096 leafsize 4096 sectorsize 4096 size 2.33TB > Btrfs Btrfs v0.19 Don't you need to stripe metadata too (with -m raid0)? Or you may be limited by your metadata drive? -- Mathieu Chouquet-Stringer mchou...@free.fr The su

Re: Free space left

2010-01-16 Thread Mathieu Chouquet-Stringer
remember looking it up and that should be fixed in a future kernel version. -- Mathieu Chouquet-Stringer mchou...@free.fr The sun itself sees not till heaven clears. -- William Shakespeare -- -- To unsubscribe from this list: send the line &q