Ian jonhson wrote: > Dear All, > > I selected CentOS5 in my works and installed them in two DELL PowerEdge1950. > However, a trouble blocked me during the machines run after two days. > The machines > crashed and the syslog said it got the following messages: > > ------------------ part dump of /var/log/messages ---------------------- > > ..... > Jul 25 02:15:02 vega2008 kernel: [<c045bc58>] ? exit_mmap+0x93/0xc9 > Jul 25 02:15:02 vega2008 kernel: [<c04214c2>] ? mmput+0x25/0x68 > Jul 25 02:15:02 vega2008 kernel: [<c046e9c9>] ? flush_old_exec+0x4f8/0x777 > Jul 25 02:15:02 vega2008 kernel: [<c046dfcf>] ? kernel_read+0x32/0x43 > Jul 25 02:15:02 vega2008 kernel: [<c0490e60>] ? load_elf_binary+0x359/0x1152 > Jul 25 02:15:02 vega2008 kernel: [<c045a6ee>] ? get_user_pages+0x2d5/0x35c > Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98 > Jul 25 02:15:02 vega2008 kernel: [<c045735a>] ? kmap_high+0x19/0x16b > Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98 > Jul 25 02:15:02 vega2008 kernel: [<c046dced>] ? copy_strings+0x169/0x173 > Jul 25 02:15:02 vega2008 kernel: [<c046ddad>] ? > search_binary_handler+0x8f/0x1af > Jul 25 02:15:02 vega2008 kernel: [<c046efe7>] ? do_execve+0x133/0x194 > Jul 25 02:15:02 vega2008 kernel: [<c04030d7>] ? sys_execve+0x2a/0x4a > Jul 25 02:15:02 vega2008 kernel: [<c04047aa>] ? syscall_call+0x7/0xb > Jul 25 02:15:02 vega2008 kernel: [<c0610000>] ? early_init_intel+0x0/0x3c > Jul 25 02:15:02 vega2008 kernel: ======================= > Jul 25 02:15:02 vega2008 kernel: BUG: soft lockup - CPU#7 stuck for > 61s! [sshd:24188] > Jul 25 02:15:02 vega2008 kernel: > Jul 25 02:15:02 vega2008 kernel: Pid: 24188, comm: sshd Not tainted > (2.6.25.3 #3) > Jul 25 02:15:02 vega2008 kernel: EIP: 0060:[<c06154f0>] EFLAGS: 00200293 CPU: 7 > Jul 25 02:15:02 vega2008 kernel: EIP is at _spin_lock+0xa/0x15 > Jul 25 02:15:02 vega2008 kernel: EAX: c079349c EBX: f79ec580 ECX: > ffffffff EDX: 00008381 > Jul 25 02:15:02 vega2008 kernel: ESI: ffffffff EDI: f79ec580 EBP: > f68a6580 ESP: f1824e50 > Jul 25 02:15:02 vega2008 kernel: DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > Jul 25 02:15:02 vega2008 kernel: CR0: 8005003b CR2: b7ebf978 CR3: > 32996000 CR4: 000006f0 > Jul 25 02:15:02 vega2008 kernel: DR0: 00000000 DR1: 00000000 DR2: > 00000000 DR3: 00000000 > Jul 25 02:15:02 vega2008 kernel: DR6: ffff0ff0 DR7: 00000400 > Jul 25 02:15:02 vega2008 kernel: [<c04119c7>] ? > native_flush_tlb_others+0x49/0x9b > Jul 25 02:15:02 vega2008 kernel: [<c0411e65>] ? flush_tlb_mm+0x51/0x54 > Jul 25 02:15:02 vega2008 kernel: [<c045bc58>] ? exit_mmap+0x93/0xc9 > Jul 25 02:15:02 vega2008 kernel: [<c04214c2>] ? mmput+0x25/0x68 > Jul 25 02:15:02 vega2008 kernel: [<c046e9c9>] ? flush_old_exec+0x4f8/0x777 > Jul 25 02:15:02 vega2008 kernel: [<c046dfcf>] ? kernel_read+0x32/0x43 > Jul 25 02:15:02 vega2008 kernel: [<c0490e60>] ? load_elf_binary+0x359/0x1152 > Jul 25 02:15:02 vega2008 kernel: [<c045a6ee>] ? get_user_pages+0x2d5/0x35c > Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98 > Jul 25 02:15:02 vega2008 kernel: [<c045735a>] ? kmap_high+0x19/0x16b > Jul 25 02:15:02 vega2008 kernel: [<c04570d2>] ? page_address+0x78/0x98 > Jul 25 02:15:02 vega2008 kernel: [<c046dced>] ? copy_strings+0x169/0x173 > Jul 25 02:15:02 vega2008 kernel: [<c046ddad>] ? > search_binary_handler+0x8f/0x1af > Jul 25 02:15:02 vega2008 kernel: [<c046efe7>] ? do_execve+0x133/0x194 > Jul 25 02:15:02 vega2008 kernel: [<c04030d7>] ? sys_execve+0x2a/0x4a > Jul 25 02:15:02 vega2008 kernel: [<c04047aa>] ? syscall_call+0x7/0xb > Jul 25 02:15:02 vega2008 kernel: [<c0610000>] ? early_init_intel+0x0/0x3c > Jul 25 02:15:02 vega2008 kernel: ======================= > Jul 25 02:15:02 vega2008 kernel: BUG: soft lockup - CPU#1 stuck for > 61s! [http_cap:12228] > ............. > ----------------------------------------------------------------------------------- > > > I choose CentOS because I believe it is the most stable OS in > commodity machines. > But I don't know how to do when facing the trouble. > > The difference lies in that I patched a PF_RING patch in original > kernel and recompiled > the kernel to run my machines. I wonder whether the patched kernel > crashes the CentOS > because PF_RING automatically downloads the kernel codes from > www.kernel.org, but not > the one from www.centos.org? Or, the centOS holds the bugs in its distribution? > This is very common, a google search for: 'poweredge 1950' 'BUG: soft lockup' 'stuck' produces almost 2000 results. It seems to be something to do with the on board network ports. I do not seen this problem ... has anyone else? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 251 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20080726/b5e20c0c/attachment-0005.sig>