Re: [CHECKER] amusing copy_from_user bug

2001-04-10 Thread Petru Paler
On Tue, Apr 10, 2001 at 06:41:28AM -0400, Jakub Jelinek wrote: > some architectures don't care at all, because verify_area is a noop > (sparc64). Why (and how) is this? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send th

Re: [CHECKER] amusing copy_from_user bug

2001-04-10 Thread Petru Paler
On Tue, Apr 10, 2001 at 06:41:28AM -0400, Jakub Jelinek wrote: some architectures don't care at all, because verify_area is a noop (sparc64). Why (and how) is this? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line

How is high memory used ?

2001-03-01 Thread Petru Paler
Hello, For 2.4 kernels, how is memory between 1G and 4G used ? Is it only for cache/buffers or it is also offered to processes ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" i

How is high memory used ?

2001-03-01 Thread Petru Paler
Hello, For 2.4 kernels, how is memory between 1G and 4G used ? Is it only for cache/buffers or it is also offered to processes ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" i

2.4.1: TCP assertion failed

2001-02-15 Thread Petru Paler
s window :xxx:xx. Bad, what else can I say?" which I understand are harmless) Let me know if anyone needs more info/tests/etc. -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-k

2.4.1: TCP assertion failed

2001-02-15 Thread Petru Paler
indow :xxx:xx. Bad, what else can I say?" which I understand are harmless) Let me know if anyone needs more info/tests/etc. -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kern

ECN for servers ?

2001-02-14 Thread Petru Paler
Hello, What is the impact of enabling ECN on the server side ? I mean, will any clients (with broken firewalls) be affected if a SMTP/HTTP server has ECN enabled ? On the other hand, is there any advantage with ECN enabled on the server side ? -- Petru Paler, mailto:[EMAIL PROTECTED] http

ECN for servers ?

2001-02-14 Thread Petru Paler
Hello, What is the impact of enabling ECN on the server side ? I mean, will any clients (with broken firewalls) be affected if a SMTP/HTTP server has ECN enabled ? On the other hand, is there any advantage with ECN enabled on the server side ? -- Petru Paler, mailto:[EMAIL PROTECTED] http

Raw devices bound to RAID arrays ?

2001-02-11 Thread Petru Paler
Hello, Is it possible to bind a raw device to a software RAID 1 array ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please re

RAID1 read balancing

2001-02-11 Thread Petru Paler
Hello, For a RAID1 array built of two disks on two separate SCSI controllers, are the reads balanced between the two controllers (for higher speed) ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe

RAID1 read balancing

2001-02-11 Thread Petru Paler
Hello, For a RAID1 array built of two disks on two separate SCSI controllers, are the reads balanced between the two controllers (for higher speed) ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe

Raw devices bound to RAID arrays ?

2001-02-11 Thread Petru Paler
Hello, Is it possible to bind a raw device to a software RAID 1 array ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please re

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 05:21:33AM -0800, David S. Miller wrote: > Petru Paler writes: > > Got more "udp v4 hw csum failure" messages but still no "UDP packet > > with bad csum was fragmented". > > OK, last experiment :-) Add this patch, and watch to s

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 05:21:33AM -0800, David S. Miller wrote: > Petru Paler writes: > > Got more "udp v4 hw csum failure" messages but still no "UDP packet > > with bad csum was fragmented". > > OK, last experiment :-) Add this patch, and watch to s

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:10:03PM +0200, Petru Paler wrote: > On Sun, Jan 14, 2001 at 03:32:40AM -0800, David S. Miller wrote: > > Petru Paler writes: > > > > Oh, I think I know why this happens. Can you add this patch, and next > > > > time the UDP

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 03:32:40AM -0800, David S. Miller wrote: > Petru Paler writes: > > > Oh, I think I know why this happens. Can you add this patch, and next > > > time the UDP bad csum message appears, tell me if it says "UDP packet > > > with bad csu

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:58:54AM -0800, David S. Miller wrote: > Petru Paler writes: > > Ok. Should I keep reporting new syslog messages as they appear ? > > Not the "Undo ***" and "Disorder ***" ones". Ok. > But this one

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:33:26AM -0800, David S. Miller wrote: > Petru Paler writes: > > I get messages in syslog looking like: > > > > Undo loss 192.147.174.183/59953 c2 l0 ss2/65535 p0 > > Undo loss 63.148.232.53/4423 c2 l0 ss2/2 p0 > > Undo loss

2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
don't think either Postfix or tinydns (the main load) are using sendfile(). The machine is stable so far, but it's been up for only 15 minutes. -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-k

Re: [PATCH] sparc64 compile fix

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 01:19:33AM -0800, David S. Miller wrote: > Petru Paler writes: > > Trying to compile 2.4.0-ac8 resulted in an error about > > storage size of variable d not being known (I don't have the > > exact error at hand, the network connectivity to that serv

Re: [PATCH] sparc64 compile fix

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 01:19:33AM -0800, David S. Miller wrote: Petru Paler writes: Trying to compile 2.4.0-ac8 resulted in an error about storage size of variable d not being known (I don't have the exact error at hand, the network connectivity to that server is down right now

2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
don't think either Postfix or tinydns (the main load) are using sendfile(). The machine is stable so far, but it's been up for only 15 minutes. -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-k

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:33:26AM -0800, David S. Miller wrote: Petru Paler writes: I get messages in syslog looking like: Undo loss 192.147.174.183/59953 c2 l0 ss2/65535 p0 Undo loss 63.148.232.53/4423 c2 l0 ss2/2 p0 Undo loss 204.253.105.63/25 c2 l0 ss2/2 p0

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:58:54AM -0800, David S. Miller wrote: Petru Paler writes: Ok. Should I keep reporting new syslog messages as they appear ? Not the "Undo ***" and "Disorder ***" ones". Ok. But this one is curious:

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 03:32:40AM -0800, David S. Miller wrote: Petru Paler writes: Oh, I think I know why this happens. Can you add this patch, and next time the UDP bad csum message appears, tell me if it says "UDP packet with bad csum was fragmented." in the next li

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 02:10:03PM +0200, Petru Paler wrote: On Sun, Jan 14, 2001 at 03:32:40AM -0800, David S. Miller wrote: Petru Paler writes: Oh, I think I know why this happens. Can you add this patch, and next time the UDP bad csum message appears, tell me if it says &quo

Re: 2.4.0-pre3+zerocopy: weird messages

2001-01-14 Thread Petru Paler
On Sun, Jan 14, 2001 at 05:21:33AM -0800, David S. Miller wrote: Petru Paler writes: Got more "udp v4 hw csum failure" messages but still no "UDP packet with bad csum was fragmented". OK, last experiment :-) Add this patch, and watch to see if the UDP "InE

Re: [PATCH] sparc64 compile fix

2001-01-13 Thread Petru Paler
On Sat, Jan 13, 2001 at 02:55:42PM -0800, David S. Miller wrote: > Petru Paler writes: > > - struct dqblk d; > > + struct dqblk32 d; > > What does this fix? Things compile just fine without > it and looking at the code it was intended to be of > the

[PATCH] sparc64 compile fix

2001-01-13 Thread Petru Paler
old_fs; char *spec; -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL P

[PATCH] sparc64 compile fix

2001-01-13 Thread Petru Paler
; char *spec; -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] P

Re: [PATCH] sparc64 compile fix

2001-01-13 Thread Petru Paler
On Sat, Jan 13, 2001 at 02:55:42PM -0800, David S. Miller wrote: Petru Paler writes: - struct dqblk d; + struct dqblk32 d; What does this fix? Things compile just fine without it and looking at the code it was intended to be of the original type. Please explain exactly

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-29 Thread Petru Paler
e-threaded - unless someone can tell me that's a bad > idea) Keep it single threaded if you run on UP only... -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-29 Thread Petru Paler
On Fri, Dec 29, 2000 at 04:53:40PM +0100, Andrea Arcangeli wrote: > On Fri, Dec 29, 2000 at 09:38:40AM +0200, Petru Paler wrote: > > This is one of the main thttpd design points: run in a select() loop. Since > > it is intended for mainly static workloads, it performs quite well..

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-29 Thread Petru Paler
On Fri, Dec 29, 2000 at 04:53:40PM +0100, Andrea Arcangeli wrote: On Fri, Dec 29, 2000 at 09:38:40AM +0200, Petru Paler wrote: This is one of the main thttpd design points: run in a select() loop. Since it is intended for mainly static workloads, it performs quite well... It can't scale

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-29 Thread Petru Paler
f you run on UP only... -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-28 Thread Petru Paler
static workloads, it performs quite well... -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: linux 2.2.19pre and thttpd (VM-global problem?)

2000-12-28 Thread Petru Paler
workloads, it performs quite well... -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/

Re: sparc64 network-related problems

2000-12-23 Thread Petru Paler
? Should I be worried about it or it's ok ? On Sun, Dec 10, 2000 at 02:57:21AM -0800, David S. Miller wrote: >Date: Sun, 10 Dec 2000 13:10:33 +0200 >From: Petru Paler <[EMAIL PROTECTED]> > >So should I apply your patch ? > > Yes, this

Re: sparc64 network-related problems

2000-12-23 Thread Petru Paler
? Should I be worried about it or it's ok ? On Sun, Dec 10, 2000 at 02:57:21AM -0800, David S. Miller wrote: Date: Sun, 10 Dec 2000 13:10:33 +0200 From: Petru Paler [EMAIL PROTECTED] So should I apply your patch ? Yes, this new OOPS you've sent me is in the same

Re: sparc64 network-related problems

2000-12-10 Thread Petru Paler
On Sun, Dec 10, 2000 at 02:57:21AM -0800, David S. Miller wrote: >Date: Sun, 10 Dec 2000 13:10:33 +0200 >From: Petru Paler <[EMAIL PROTECTED]> > >So should I apply your patch ? > > Yes, this new OOPS you've sent me is in the same place. Ok, applie

Re: sparc64 network-related problems

2000-12-10 Thread Petru Paler
able >>PC; 00449e94<= >>O7; 00449f14 >>I7; 0044cfa8 3 warnings issued. Results may not be reliable. So should I apply your patch ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 - To unsubscribe from this list: send the line

sparc64 network-related problems

2000-12-10 Thread Petru Paler
Let me know if you need additional info or testing done. Bug report (in standard format): [1.] One line summary of the problem: Repeated kernel oopses, after a while of functioning under heavy load. [2.] Full description of the

sparc64 network-related problems

2000-12-10 Thread Petru Paler
ften): UDP: short packet: 1/48 or UDP: short packet: 0/36 and a couple of: sending pkt_too_big to self -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ: 41817235 -

Re: sparc64 network-related problems

2000-12-10 Thread Petru Paler
what data is available PC; 00449e94 zap_page_range+134/280 = O7; 00449f14 zap_page_range+1b4/280 I7; 0044cfa8 do_munmap+268/300 3 warnings issued. Results may not be reliable. So should I apply your patch ? -- Petru Paler, mailto:[EMAIL PROTECTED] http://www.ppetru.net - ICQ

Re: sparc64 network-related problems

2000-12-10 Thread Petru Paler
On Sun, Dec 10, 2000 at 02:57:21AM -0800, David S. Miller wrote: Date: Sun, 10 Dec 2000 13:10:33 +0200 From: Petru Paler [EMAIL PROTECTED] So should I apply your patch ? Yes, this new OOPS you've sent me is in the same place. Ok, applied. Will email again when/if something shows