Re: downgrading woody kernel 2.4 -> 2.2
On Thu, 21 Feb 2002 23:18, David Biro (DaV3|D3) wrote: > > > experiencing several crashes. I think it's because the 2.4 kernel (but > > > if not, just tell me please ;), so I decided to downgrade the kernel to > > > 2.2 (whis is available in woody). > > > > It's not possible for us to even comment on the likely cause of your > > problems. > > Ok, to be more specific. The customer ran a script nightly from > cron, and the script is very resource intensive. > (commandline PHP script, with high Postgres usage). > > After the script started, various problems happened, often the whole > sytem died. OK. We need information on the hardware, and the trace of the first Oops. After it Oops's once it is likely to continue doing other Oops's with less useful debugging information. Can you repeat the Oops with more contrived situations (such as running benchmark programs)? If so we can try to reproduce it. -- Signatures >4 lines are rude. If you send email to me or to a mailing list that I am subscribed to which has >4 lines of legalistic junk at the end then you are specifically authorizing me to do whatever I wish with the message (the sig won't be read).
Re: downgrading woody kernel 2.4 -> 2.2
On Thu, 21 Feb 2002 23:18, David Biro (DaV3|D3) wrote: > > > experiencing several crashes. I think it's because the 2.4 kernel (but > > > if not, just tell me please ;), so I decided to downgrade the kernel to > > > 2.2 (whis is available in woody). > > > > It's not possible for us to even comment on the likely cause of your > > problems. > > Ok, to be more specific. The customer ran a script nightly from > cron, and the script is very resource intensive. > (commandline PHP script, with high Postgres usage). > > After the script started, various problems happened, often the whole > sytem died. OK. We need information on the hardware, and the trace of the first Oops. After it Oops's once it is likely to continue doing other Oops's with less useful debugging information. Can you repeat the Oops with more contrived situations (such as running benchmark programs)? If so we can try to reproduce it. -- Signatures >4 lines are rude. If you send email to me or to a mailing list that I am subscribed to which has >4 lines of legalistic junk at the end then you are specifically authorizing me to do whatever I wish with the message (the sig won't be read). -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
Re: downgrading woody kernel 2.4 -> 2.2
Hi! > > experiencing several crashes. I think it's because the 2.4 kernel (but > > if not, just tell me please ;), so I decided to downgrade the kernel to > > 2.2 (whis is available in woody). > It's not possible for us to even comment on the likely cause of your problems. Ok, to be more specific. The customer ran a script nightly from cron, and the script is very resource intensive. (commandline PHP script, with high Postgres usage). After the script started, various problems happened, often the whole sytem died. I found entries like this in the logfiles: : Code: ff 0b 0f 94 c0 84 c0 0f 84 88 00 00 00 8b 43 0c 50 e8 40 66 : <1>Unable to handle kernel paging request at virtual address c080 : printing eip: : c011b676 : *pde = : Oops: 0002 : CPU:0 : EIP:0010:[exit_sighand+26/80]Not tainted : EFLAGS: 00010002 : eax: ebx: c932c000 ecx: c932c264 edx: c080 : esi: c932c000 edi: 000b ebp: 7960 esp: c932dc78 : ds: 0018 es: 0018 ss: 0018 : Process postmaster (pid: 13023, stackpage=c932d000) : Stack: c0116ef5 c932c000 0002 0002 c01113c8 c010704b 000b : c0111717 c020bd1e c932dd54 0002 c932c000 0002 c01113c8 :8080 c016c6ce c932c000 c00bbac0 0001 00030001 c02a3f14 : Call Trace: [do_exit+349/460] [do_page_fault+0/1176] [die+79/80] [do_page_faul :[set_cursor+110/128] [vt_console_print+718/736] [__call_console_drivers+58/ :[do_exit+194/460] [do_page_fault+0/1176] [die+79/80] [do_page_fault+847/117 :[page_cache_release+44/48] [free_page_and_swap_cache+49/52] [__free_pte+58/ :[die+79/80] [do_page_fault+847/1176] [do_page_fault+0/1176] [file_read_acto :[generic_file_read+129/308] [error_code+52/60] [fget+17/40] [sys_read+22/20 But the same happened with the other daemons too... The system is a [EMAIL PROTECTED] with 256Mb of ECC SDRAM. I was using a self compiled 2.4.17, but the same happened with 2.4.9. Well, I compiled a 2.2.20 kernel, and installed it with no problems. It seems to be stable now, but it needs some more testing. (I started the script, runs smoothly). I don't know if you get something usable from the above log, if not, please tell me what should I send. Best Regards, David Biro > > To be able to make any guess at the cause of your problems we need to know > the exact kernel version, the details of your hardware, and some information > on what your server does would be handy (but is not as important). Without > such information it's not even worth guessing. > > FWIW All my most important machines run 2.4.x machines and are quite > reliable. Currently the only reliability issue I have in any of my machines > is directly related to a binary-only kernel module. Apart from that all my > machines are capable of running for months at a time (apart from power > failures, kernel upgrades, hardware changes, etc). > > -- > Signatures >4 lines are rude. If you send email to me or to a mailing list > that I am subscribed to which has >4 lines of legalistic junk at the end > then you are specifically authorizing me to do whatever I wish with the > message (the sig won't be read). -- [ http://www.wh.hu - webhosting - webdesign - http://www.wh.hu ] [ mailto:[EMAIL PROTECTED] -mailto:[EMAIL PROTECTED] ]
Re: downgrading woody kernel 2.4 -> 2.2
On Thu, 21 Feb 2002 19:01, David Biro (DaV3|D3) wrote: > experiencing several crashes. I think it's because the 2.4 kernel (but > if not, just tell me please ;), so I decided to downgrade the kernel to > 2.2 (whis is available in woody). It's not possible for us to even comment on the likely cause of your problems. To be able to make any guess at the cause of your problems we need to know the exact kernel version, the details of your hardware, and some information on what your server does would be handy (but is not as important). Without such information it's not even worth guessing. FWIW All my most important machines run 2.4.x machines and are quite reliable. Currently the only reliability issue I have in any of my machines is directly related to a binary-only kernel module. Apart from that all my machines are capable of running for months at a time (apart from power failures, kernel upgrades, hardware changes, etc). -- Signatures >4 lines are rude. If you send email to me or to a mailing list that I am subscribed to which has >4 lines of legalistic junk at the end then you are specifically authorizing me to do whatever I wish with the message (the sig won't be read).
Re: downgrading woody kernel 2.4 -> 2.2
Hi! > > experiencing several crashes. I think it's because the 2.4 kernel (but > > if not, just tell me please ;), so I decided to downgrade the kernel to > > 2.2 (whis is available in woody). > It's not possible for us to even comment on the likely cause of your problems. Ok, to be more specific. The customer ran a script nightly from cron, and the script is very resource intensive. (commandline PHP script, with high Postgres usage). After the script started, various problems happened, often the whole sytem died. I found entries like this in the logfiles: : Code: ff 0b 0f 94 c0 84 c0 0f 84 88 00 00 00 8b 43 0c 50 e8 40 66 : <1>Unable to handle kernel paging request at virtual address c080 : printing eip: : c011b676 : *pde = : Oops: 0002 : CPU:0 : EIP:0010:[exit_sighand+26/80]Not tainted : EFLAGS: 00010002 : eax: ebx: c932c000 ecx: c932c264 edx: c080 : esi: c932c000 edi: 000b ebp: 7960 esp: c932dc78 : ds: 0018 es: 0018 ss: 0018 : Process postmaster (pid: 13023, stackpage=c932d000) : Stack: c0116ef5 c932c000 0002 0002 c01113c8 c010704b 000b : c0111717 c020bd1e c932dd54 0002 c932c000 0002 c01113c8 :8080 c016c6ce c932c000 c00bbac0 0001 00030001 c02a3f14 : Call Trace: [do_exit+349/460] [do_page_fault+0/1176] [die+79/80] [do_page_faul :[set_cursor+110/128] [vt_console_print+718/736] [__call_console_drivers+58/ :[do_exit+194/460] [do_page_fault+0/1176] [die+79/80] [do_page_fault+847/117 :[page_cache_release+44/48] [free_page_and_swap_cache+49/52] [__free_pte+58/ :[die+79/80] [do_page_fault+847/1176] [do_page_fault+0/1176] [file_read_acto :[generic_file_read+129/308] [error_code+52/60] [fget+17/40] [sys_read+22/20 But the same happened with the other daemons too... The system is a PIII@833 with 256Mb of ECC SDRAM. I was using a self compiled 2.4.17, but the same happened with 2.4.9. Well, I compiled a 2.2.20 kernel, and installed it with no problems. It seems to be stable now, but it needs some more testing. (I started the script, runs smoothly). I don't know if you get something usable from the above log, if not, please tell me what should I send. Best Regards, David Biro > > To be able to make any guess at the cause of your problems we need to know > the exact kernel version, the details of your hardware, and some information > on what your server does would be handy (but is not as important). Without > such information it's not even worth guessing. > > FWIW All my most important machines run 2.4.x machines and are quite > reliable. Currently the only reliability issue I have in any of my machines > is directly related to a binary-only kernel module. Apart from that all my > machines are capable of running for months at a time (apart from power > failures, kernel upgrades, hardware changes, etc). > > -- > Signatures >4 lines are rude. If you send email to me or to a mailing list > that I am subscribed to which has >4 lines of legalistic junk at the end > then you are specifically authorizing me to do whatever I wish with the > message (the sig won't be read). -- [ http://www.wh.hu - webhosting - webdesign - http://www.wh.hu ] [ mailto:[EMAIL PROTECTED] -mailto:[EMAIL PROTECTED] ] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
Re: downgrading woody kernel 2.4 -> 2.2
On Thu, 21 Feb 2002 19:01, David Biro (DaV3|D3) wrote: > experiencing several crashes. I think it's because the 2.4 kernel (but > if not, just tell me please ;), so I decided to downgrade the kernel to > 2.2 (whis is available in woody). It's not possible for us to even comment on the likely cause of your problems. To be able to make any guess at the cause of your problems we need to know the exact kernel version, the details of your hardware, and some information on what your server does would be handy (but is not as important). Without such information it's not even worth guessing. FWIW All my most important machines run 2.4.x machines and are quite reliable. Currently the only reliability issue I have in any of my machines is directly related to a binary-only kernel module. Apart from that all my machines are capable of running for months at a time (apart from power failures, kernel upgrades, hardware changes, etc). -- Signatures >4 lines are rude. If you send email to me or to a mailing list that I am subscribed to which has >4 lines of legalistic junk at the end then you are specifically authorizing me to do whatever I wish with the message (the sig won't be read). -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
Re: downgrading woody kernel 2.4 -> 2.2
On Thu, Feb 21, 2002 at 09:01:51AM +0100, David Biro (DaV3|D3) <[EMAIL PROTECTED]> wrote a message of 27 lines which said: > if not, just tell me please ;), so I decided to downgrade the kernel to > 2.2 (whis is available in woody). You use Debian compiled kernels? OK, just 'apt-get install kernel-image-2.2.xxx' or, if you already have it, swap the symlinks vmlinuz* in / and rerun lilo (unless you use grub, in that case you'll have no more to do). > because I really hate to reset the server every day. > > (Well, maybe it's a hw problem, but who knows?) Probably. (We use custom-compiled 2.4 kernels on many machines.)
Re: downgrading woody kernel 2.4 -> 2.2
On Thu, Feb 21, 2002 at 09:01:51AM +0100, David Biro (DaV3|D3) <[EMAIL PROTECTED]> wrote a message of 27 lines which said: > if not, just tell me please ;), so I decided to downgrade the kernel to > 2.2 (whis is available in woody). You use Debian compiled kernels? OK, just 'apt-get install kernel-image-2.2.xxx' or, if you already have it, swap the symlinks vmlinuz* in / and rerun lilo (unless you use grub, in that case you'll have no more to do). > because I really hate to reset the server every day. > > (Well, maybe it's a hw problem, but who knows?) Probably. (We use custom-compiled 2.4 kernels on many machines.) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
