Messages in this thread | | | Date | Tue, 28 Aug 2007 15:14:31 +0400 | From | Alexey Dobriyan <> | Subject | 2.6.23-rc4: maxcpus still broken |
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Every time I try to boot with maxcpus=1 it dies show_stat():
for_each_possible_cpu(i) { int j;
HERE ==> user = cputime64_add(user, kstat_cpu(i).cpustat.user);
$ grep ACPI .config $ grep APIC .config CONFIG_X86_GOOD_APIC=y CONFIG_X86_IO_APIC=y CONFIG_X86_LOCAL_APIC=y
Unable to handle kernel paging request at ffffffff804ed6e0 RIP: [<ffffffff802a5cd0>] show_stat+0xc8/0x3a6 PGD 203067 PUD 207063 PMD 17fc27163 PTE 4ed000 Oops: 0000 [1] SMP CPU 0 Modules linked in: Pid: 380, comm: udevd Not tainted 2.6.23-rc4-utrace #1 RIP: 0010:[<ffffffff802a5cd0>] [<ffffffff802a5cd0>] show_stat+0xc8/0x3a6 RSP: 0018:ffff81017ed77d88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: ffffffff804ed6e0 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000022 R08: 0000000000000000 R09: 0000000000000000 R10: ffff81017fd52080 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000011d R14: 0000000000000000 R15: 00007fff33944ef0 FS: 00002b32774b26d0(0000) GS:ffffffff804aa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffffffff804ed6e0 CR3: 000000017f38f000 CR4: 00000000000006a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process udevd (pid: 380, threadinfo ffff81017ed76000, task ffff81017fd52080) Stack: ffff81017fd52080 ffffffff802418ac ffff81017fd52810 ffff81017fd52080 0000000000000003 ffffffff80241d15 ffff81017fd52810 ffff81017f79d668 0000000046d3d6bf ffffffff80241e73 ffff81017f79d698 ffff81017fd52080 Call Trace: [<ffffffff802418ac>] check_usage_backwards+0x1e/0x43 [<ffffffff80241d15>] mark_lock+0x367/0x47c [<ffffffff80241e73>] mark_held_locks+0x49/0x67 [<ffffffff803b1cf8>] __mutex_lock_slowpath+0x254/0x26a [<ffffffff803b1d03>] __mutex_lock_slowpath+0x25f/0x26a [<ffffffff8028a216>] seq_read+0x10b/0x2a1 [<ffffffff8028a10b>] seq_read+0x0/0x2a1 [<ffffffff802a0590>] proc_reg_read+0x80/0x9a [<ffffffff80272a9b>] vfs_read+0x91/0xb5 [<ffffffff80272dd3>] sys_read+0x45/0x6e [<ffffffff8020b5ae>] system_call+0x7e/0x83
Code: 48 8b 0c 02 48 01 4c 24 68 48 8b 4c 02 08 48 01 4c 24 70 48 RIP [<ffffffff802a5cd0>] show_stat+0xc8/0x3a6 RSP <ffff81017ed77d88> CR2: ffffffff804ed6e0 awk used greatest stack depth: 4272 bytes left
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