On Monday 23 July 2007 05:50, Mel Gorman wrote: > This was seen on a machine on test.kernel.org; > > Unable to handle kernel NULL pointer dereference at 0000000000000000 > RIP: > [<ffffffff8037379b>] acpi_processor_throttling_seq_show+0xa7/0xd6 > PGD 3bd9e067 PUD 3bc6a067 PMD 0 > Oops: 0000 [1] SMP > CPU 3 > Modules linked in: video output button battery floppy ac lp parport_pc > parport nvram amd_rng rng_core i2c_amd756 i2c_core > Pid: 1522, comm: head Not tainted 2.6.23-rc1-autokern1 #1 > RIP: 0010:[<ffffffff8037379b>] [<ffffffff8037379b>] > acpi_processor_throttling_seq_show+0xa7/0xd6 > RSP: 0018:ffff81003c4a5e48 EFLAGS: 00010246 > RAX: 0000000000000020 RBX: ffff810037ea1800 RCX: 0000000000000000 > RDX: 000000000000002a RSI: ffffffff80599c02 RDI: ffff810037c6a9c0 > RBP: ffff810037c6a9c0 R08: ffff81003c3e3051 R09: ffff810037c6a9c0 > R10: ffffffffffffffff R11: ffffffff80373e66 R12: 0000000000000000 > R13: 0000000000000000 R14: 0000000000000000 R15: 00007fffd59dcd40 > FS: 00002b7ad50e36f0(0000) GS:ffff81003ee56b40(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 0000000000000000 CR3: 000000003bd9b000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process head (pid: 1522, threadinfo ffff81003c4a4000, task ffff81003ee81040) > Stack: ffff81003eed7180 ffff810037c6a9c0 0000000000000001 0000000000000001 > 0000000000002000 ffffffff802a77b3 ffff81003c4a5f50 ffff81003e2f8ec0 > ffff810037c6a9f0 ffff81003de65000 0000000000000000 fffffffffffffffb > Call Trace: > [<ffffffff802a77b3>] seq_read+0x105/0x28e > [<ffffffff802a76ae>] seq_read+0x0/0x28e > [<ffffffff802c8501>] proc_reg_read+0x80/0x9a > [<ffffffff8028eb3d>] vfs_read+0xcb/0x153 > [<ffffffff8028eed9>] sys_read+0x45/0x6e > [<ffffffff8020bc6e>] system_call+0x7e/0x83 > FATAL: Error inserting acpi_cpufreq > (/lib/modules/2.6.23-rc1-autokern1/kernel/arch/x86_64/kernel/cpufreq/acpi-cpufreq.ko): > No such device > > Full oops is at http://test.kernel.org/abat/100837/debug/console.log > Config file at http://test.kernel.org/abat/100837/build/dotconfig try this, thanks, -Len Subject: fix oops due to typo in new throttling code From: Luming Yu <luming.yu@xxxxxxxxx> Signed-off-by: Luming Yu <luming.yu@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Len Brown <len.brown@xxxxxxxxx> --- drivers/acpi/processor_throttling.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) Index: linus/drivers/acpi/processor_throttling.c =================================================================== --- linus.orig/drivers/acpi/processor_throttling.c +++ linus/drivers/acpi/processor_throttling.c @@ -658,18 +658,20 @@ static int acpi_processor_throttling_seq pr->throttling.state_count - 1); seq_puts(seq, "states:\n"); - if (acpi_processor_get_throttling == acpi_processor_get_throttling_fadt) + if (pr->throttling.acpi_processor_get_throttling == + acpi_processor_get_throttling_fadt) { for (i = 0; i < pr->throttling.state_count; i++) seq_printf(seq, " %cT%d: %02d%%\n", (i == pr->throttling.state ? '*' : ' '), i, (pr->throttling.states[i].performance ? pr-> throttling.states[i].performance / 10 : 0)); - else + } else { for (i = 0; i < pr->throttling.state_count; i++) seq_printf(seq, " %cT%d: %02d%%\n", (i == pr->throttling.state ? '*' : ' '), i, (int)pr->throttling.states_tss[i]. freqpercentage); + } end: return 0; - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
