[SSI-devel] [ ssic-linux-Bugs-2924122 ] migration crashes destination node with current CVS
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[SSI-devel] [ ssic-linux-Bugs-2924122 ] migration crashes destination node with current CVS
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From: SourceForge.net <no...@so...> - 2010-03-13 19:58:13
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Bugs item #2924122, was opened at 2009-12-31 06:05 Message generated for change (Settings changed) made by rogertsang You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=405834&aid=2924122&group_id=32541 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: Process Management Group: None >Status: Closed Resolution: Fixed Priority: 5 Private: No Submitted By: John Hughes (hughesj) Assigned to: Roger Tsang (rogertsang) Summary: migration crashes destination node with current CVS Initial Comment: Running the regression tests I get node2 crashing on the first test: Unable to handle kernel NULL pointer dereference at virtual address 0000000c printing eip: c01ae2a2 *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: ext3 jbd parport_pc parport floppy uhci_hcd ohci_hcd ehci_hcd i2c_piix4 i2c_core ide_scsi scsi_mod e100 mii ne2k_pci 8390 CPU: 0 EIP: 0060:[<c01ae2a2>] Not tainted VLI EFLAGS: 00000246 (2.6.11-ssi-686-smp) EIP is at proc_pid_lookup+0x262/0x330 eax: 00000000 ebx: 00000000 ecx: cf820000 edx: 00010b31 esi: 00010b31 edi: cf9cf360 ebp: ceff9c80 esp: ceff9c5c ds: 007b es: 007b ss: 0068 Process 1764324-badness (pid: 68401, threadinfo=ceff8000 task=cf866000) Stack: 00010b31 c04c924c 00000000 00000000 00000000 00000000 c13abe2c ceff9d88 cefe22c0 ceff9ca0 c01ab604 c13abe2c cefe22c0 ceff9d88 cefe22c0 fffffff4 c13abea0 ceff9cc4 c017f7cb c13abe2c cefe22c0 ceff9d88 c13abe2c 00000000 Call Trace: [<c0106a5f>] show_stack+0x7f/0xa0 [<c0106c04>] show_registers+0x164/0x230 [<c0106fb4>] die+0xf4/0x1c0 [<c011f3ed>] do_page_fault+0x46d/0x669 [<c01066c3>] error_code+0x2b/0x30 [<c01ab604>] proc_root_lookup+0x44/0x70 [<c017f7cb>] real_lookup+0xfb/0x140 [<c017fbac>] do_lookup+0x8c/0xa0 [<c017fd50>] link_path_walk+0x190/0xde0 [<c01809bb>] path_walk+0x1b/0x20 [<c026247c>] reop_import_path+0x36c/0x470 [<c0262902>] reop_make_file+0x72/0x140 [<c0289b11>] rmtfb_getcli_id+0x1f1/0x320 [<c0262a90>] reop_import_file+0xc0/0x130 [<c025ff5a>] reopen_unload_msg+0x15a/0x280 [<c026053d>] common_data_unload_msg+0x34d/0x4a0 [<c0260f45>] migrate_pproc_unload_msg+0x85/0x440 [<c025ed8e>] migrate_server+0xee/0x961 [<c025dc32>] migrate_server_setup+0x62/0x120 [<c01023a5>] kernel_thread_helper+0x5/0x10 Code: 89 04 24 e8 71 e1 fd ff 8b 55 0c 89 14 24 e8 86 e8 fd ff 31 c0 e9 44 ff ff ff b8 00 e0 ff ff 21 e0 8b 00 31 db 8b 80 94 00 00 00 <8b> 40 0c 66 83 b8 1c 01 00 00 01 74 1a 89 f0 c1 e8 10 85 c0 0f Entering kdb (current=0xcf866000, pid 68401) on processor 0 Oops: Oops due to oops @ 0xc01ae2a2 eax = 0x00000000 ebx = 0x00000000 ecx = 0xcf820000 edx = 0x00010b31 esi = 0x00010b31 edi = 0xcf9cf360 esp = 0xceff9c5c eip = 0xc01ae2a2 ebp = 0xceff9c80 xss = 0x00000068 xcs = 0x00000060 eflags = 0x00000246 xds = 0x0000007b xes = 0x0000007b origeax = 0xffffffff ®s = 0xceff9c28 [0]kdb> ---------------------------------------------------------------------- Comment By: Roger Tsang (rogertsang) Date: 2010-02-02 00:46 Message: checked-in ---------------------------------------------------------------------- Comment By: John Hughes (hughesj) Date: 2010-01-01 18:55 Message: Ok, that patch fixes it for me ---------------------------------------------------------------------- Comment By: Roger Tsang (rogertsang) Date: 2009-12-31 18:40 Message: Try attached patch. ---------------------------------------------------------------------- Comment By: Roger Tsang (rogertsang) Date: 2009-12-31 17:28 Message: I was able to reproduce this bug. Until this is fixed the workaround is `migrate 2 $$` ---------------------------------------------------------------------- Comment By: John Hughes (hughesj) Date: 2009-12-31 06:17 Message: I meant to add: sh -c 'echo 2 >/proc/self/goto; echo hi! >/dev/console' ---------------------------------------------------------------------- Comment By: John Hughes (hughesj) Date: 2009-12-31 06:16 Message: In fact it seems like mor or less any migration attempt is killing the system: ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=405834&aid=2924122&group_id=32541 |