Messages in this thread |  | | | Date | Mon, 23 Aug 2004 08:46:40 -0700 | | From | "Randy.Dunlap" <> | | Subject | Re: 2.6.8.1-mm4 (strange behavior on dual Opteron w/ NUMA) |
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On Mon, 23 Aug 2004 16:29:33 +0100 David Howells wrote:
| | Rafael J. Wysocki <rjw@sisk.pl> wrote: | > It has the same problems that I've reported for 2.6.8.1-mm3: | > | > 1) ALT-SysRq-<command key> does not work, although "echo <command> > | > /proc/sysrq-trigger" does (may be specific to x86-64). | | I'm seeing this on my Dual PPro testbox too. I'm running 2.6.8.1-mm4 using the | i386 arch. I get an oops (which I've attached) from SysRq+B and from normal | reboot. | | > 2) After issuing: | > | > # rmmod snd_seq_oss | > | > the kernel goes into a strange state: | | And that too; except that I'm seeing it with NFS and modules of my own | devising. I've attached an excerpt of a SysRq trace of this. Note that it | doesn't start executing the module exit function as far as I can tell. | | Both these problems are 100% reproducible. | | David | | | =========== | REBOOT OOPS | ===========
This oops is fixed by this trivial patch:
http://marc.theaimsgroup.com/?l=linux-kernel&m=109313574928853&w=2
| nfsd: last server has exited | nfsd: unexporting all filesystems | Restarting system. | Unable to handle kernel paging request at virtual address c041a3e0 | printing eip: | c041a3e0 | *pde = 00463027 | *pte = 0041a000 | Oops: 0000 [#1] | SMP DEBUG_PAGEALLOC | Modules linked in: nfs cachefs | CPU: 0 | EIP: 0060:[<c041a3e0>] Not tainted VLI | EFLAGS: 00010282 (2.6.8.1-mm4) | EIP is at find_isa_irq_pin+0x0/0x70 | eax: 00000003 ebx: 00000000 ecx: 000100fe edx: 00000000 | esi: 01234567 edi: c4d6c000 ebp: c4d6c000 esp: c4d6de60 | ds: 007b es: 007b ss: 0068 | Process reboot (pid: 2751, threadinfo=c4d6c000 task=c5527a40) | Stack: c011227f 00000000 00000003 00000000 00000001 00000000 c010ebc8 00000000 | c4d6c000 c010ebe9 01234567 c4d6c000 c011c167 c0351071 00000000 c012ba1d | 00000000 00000001 00000000 c10bb7c0 00000001 00000000 c01452ef c10bb7c0 | Call Trace: | [<c011227f>] disable_IO_APIC+0x1f/0x140 | [<c010ebc8>] machine_shutdown+0x48/0x60 | [<c010ebe9>] machine_restart+0x9/0x90 | [<c011c167>] printk+0x17/0x20 | [<c012ba1d>] sys_reboot+0x19d/0x400 | [<c01452ef>] cache_free_debugcheck+0x17f/0x2b0 | [<c02d41fb>] sock_destroy_inode+0x1b/0x20 | [<c02d41fb>] sock_destroy_inode+0x1b/0x20 | [<c017dc65>] destroy_inode+0x35/0x60 | [<c017f67e>] generic_forget_inode+0x14e/0x1c0 | [<c01452ef>] cache_free_debugcheck+0x17f/0x2b0 | [<c017f773>] iput+0x63/0x90 | [<c017abd3>] dput+0x33/0x340 | [<c0160168>] __fput+0xa8/0x110 | [<c0160170>] __fput+0xb0/0x110 | [<c015e5d9>] filp_close+0x59/0x90 | [<c015e68f>] sys_close+0x7f/0x100 | [<c0113ae0>] do_page_fault+0x0/0x5c0 | [<c010459f>] syscall_call+0x7/0xb | Code: Bad EIP value. | Badness in send_IPI_mask_bitmask at arch/i386/kernel/smp.c:167 | [<c010f5c4>] send_IPI_mask_bitmask+0x74/0x80 | [<c010f9df>] smp_send_reschedule+0x1f/0x30 | [<c01155b0>] try_to_wake_up+0x2b0/0x2e0 | [<c0117041>] __wake_up_common+0x41/0x70 | [<c01170bb>] __wake_up+0x4b/0xb0 | [<c012e44f>] __queue_work+0x5f/0xc0 | [<c012e505>] queue_work+0x55/0x70 | [<c012e3c9>] call_usermodehelper+0xc9/0xd6 | [<c012e290>] __call_usermodehelper+0x0/0x70 | [<c02565ef>] sprintf+0x1f/0x30 | [<c0253486>] kset_hotplug+0x1f6/0x290 | [<c0253587>] kobject_hotplug+0x67/0x70 | [<c02538fb>] kobject_del+0x1b/0x40 | [<c02875d9>] class_device_del+0x99/0xc0 | [<c0287613>] class_device_unregister+0x13/0x30 | [<c0287c53>] class_simple_device_remove+0xa3/0x127 | [<c026d42c>] vcs_remove_devfs+0x1c/0x39 | [<c0275145>] con_close+0x85/0x90 | [<c0263a1d>] release_dev+0x6ad/0x6d0 | [<c01452a1>] cache_free_debugcheck+0x131/0x2b0 | [<c014f3da>] remove_vm_struct+0x8a/0xd0 | [<c0263f95>] tty_release+0x45/0xc0 | [<c010f829>] flush_tlb_mm+0x49/0xa0 | [<c01601be>] __fput+0xfe/0x110 | [<c015e5d9>] filp_close+0x59/0x90 | [<c011da54>] put_files_struct+0x64/0xd0 | [<c011ea90>] do_exit+0x1f0/0x590 | [<c015f361>] sys_read+0x51/0x80 | [<c011ee63>] sys_exit+0x13/0x20 | [<c010459f>] syscall_call+0x7/0xb | | | ===================== | RMMOD SYSRQ+T EXCERPT | ===================== | | rmmod D C0341C03 0 2010 1932 (NOTLB) | c4737e80 00000082 00000002 c0341c03 c4737ec4 c012e505 c4737e64 0dfec5b1 | 00000007 3e5a438a 00015b43 c41fddb0 15b433e8 00000000 c1104f60 c3c72bec | c01150a5 c3d95a40 c11054ac c4737f04 c4737f08 c4737ec0 c4737ee8 c0341c03 | Call Trace: | [<c0341c03>] wait_for_completion+0xb3/0x1a0 | [<c012e505>] queue_work+0x55/0x70 | [<c01150a5>] activate_task+0xf5/0x120 | [<c0341c03>] wait_for_completion+0xb3/0x1a0 | [<c0116fe0>] default_wake_function+0x0/0x20 | [<c0116fe0>] default_wake_function+0x0/0x20 | [<c01155fd>] wake_up_process+0x1d/0x30 | [<c0139b3c>] __stop_machine_run+0x9c/0xc0 | [<c0138e80>] __try_stop_module+0x0/0x41 | [<c0139b7f>] stop_machine_run+0x1f/0x38 | [<c0138e80>] __try_stop_module+0x0/0x41 | [<c01360d8>] try_stop_module+0x38/0x40 | [<c0138e80>] __try_stop_module+0x0/0x41 | [<c01362a2>] sys_delete_module+0x122/0x180 | [<c01212ea>] __do_softirq+0xba/0xd0 | [<c01103dd>] smp_apic_timer_interrupt+0x8d/0x100 | [<c010456c>] system_call+0x0/0x2c | [<c010459f>] syscall_call+0x7/0xb | kstopmachine R running 0 2011 6 2012 36 (L-TLB) | kstopmachine R running 0 2012 2011 (L-TLB) | -
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