On Tue, 26 Apr 2011 11:25:29 +0600 Roman Mamedov <r...@romanrm.ru> wrote:
> Bad news, after a prolonged test there are some errors detected by memtester. > So it looks like this dual rank module is not completely stable on my system. > I wonder if it is possible to tweak the RAM controller from a running OS, > e.g. change the CAS latency from 5 to 6. Also here is how memtester sometimes crashes the kernel with this 2GB stick (even when RAM is limited to 1 GB in PMON). So the dual rank module is really not usable. Apr 28 19:57:13 [ 1399.179476] Unhandled kernel unaligned access[#1]: Apr 28 19:57:13 [ 1399.179954] Cpu 0 Apr 28 19:57:13 [ 1399.180175] $ 0 : Apr 28 19:57:13 0000000000000000 Apr 28 19:57:13 ffffffffcfffffff Apr 28 19:57:13 0000000000000000 Apr 28 19:57:13 0000000000000000 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.180812] $ 4 : Apr 28 19:57:13 98000000bf4b3c10 Apr 28 19:57:13 7bfffe01009a8080 Apr 28 19:57:13 ffffffff804fb534 Apr 28 19:57:13 0000000000000000 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.181457] $ 8 : Apr 28 19:57:13 7bfffe01009a8080 Apr 28 19:57:13 0000000000000000 Apr 28 19:57:13 0000000000000001 Apr 28 19:57:13 ffffffff8076cfa5 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.182084] $12 : Apr 28 19:57:13 00000000100044e0 Apr 28 19:57:13 000000001000001e Apr 28 19:57:13 ffffffff8076cfa8 Apr 28 19:57:13 0000000000000005 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.182707] $16 : Apr 28 19:57:13 98000000bf4b3c10 Apr 28 19:57:13 7bfffe01009a8080 Apr 28 19:57:13 ffffffffdc840018 Apr 28 19:57:13 0000000000000001 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.183332] $20 : Apr 28 19:57:13 ffffffff80280f88 Apr 28 19:57:13 ffffffff808b5520 Apr 28 19:57:13 0000000000000003 Apr 28 19:57:13 ffffffff808b5520 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.183953] $24 : Apr 28 19:57:13 ffffffff808b0000 Apr 28 19:57:13 0000000000000001 Apr 28 19:57:13 Apr 28 19:57:13 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.184583] $28 : Apr 28 19:57:13 98000000bf4b0000 Apr 28 19:57:13 98000000bf4b3950 Apr 28 19:57:13 7fffffffffffffff Apr 28 19:57:13 ffffffff8020bae4 Apr 28 19:57:13 Apr 28 19:57:13 [ 1399.185208] Hi : 000000000003e810 Apr 28 19:57:13 [ 1399.185508] Lo : 0000000000036b0e Apr 28 19:57:13 [ 1399.185835] epc : ffffffff8020b8f0 emulate_load_store_insn+0x370/0x490 Apr 28 19:57:13 [ 1399.186303] Not tainted Apr 28 19:57:13 [ 1399.186572] ra : ffffffff8020bae4 do_ade+0xd4/0x180 Apr 28 19:57:13 [ 1399.186954] Status: 100044e2 Apr 28 19:57:13 KX Apr 28 19:57:13 SX Apr 28 19:57:13 UX Apr 28 19:57:13 KERNEL Apr 28 19:57:13 EXL Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.187581] Cause : 10000010 Apr 28 19:57:14 [ 1399.187844] BadVA : 7bfffe01009a8087 Apr 28 19:57:14 [ 1399.188145] PrId : 00006303 (ICT Loongson-2) Apr 28 19:57:14 [ 1399.188487] Modules linked in: Apr 28 19:57:14 netconsole Apr 28 19:57:14 configfs Apr 28 19:57:14 ipv6 Apr 28 19:57:14 evdev Apr 28 19:57:14 usbhid Apr 28 19:57:14 hid Apr 28 19:57:14 option Apr 28 19:57:14 usb_wwan Apr 28 19:57:14 ohci_hcd Apr 28 19:57:14 usbserial Apr 28 19:57:14 snd_cs5535audio Apr 28 19:57:14 snd_ac97_codec Apr 28 19:57:14 ac97_bus Apr 28 19:57:14 snd_pcm_oss Apr 28 19:57:14 snd_mixer_oss Apr 28 19:57:14 ehci_hcd Apr 28 19:57:14 snd_pcm Apr 28 19:57:14 usbcore Apr 28 19:57:14 snd_timer Apr 28 19:57:14 snd Apr 28 19:57:14 r8169 Apr 28 19:57:14 loongson2_cpufreq Apr 28 19:57:14 soundcore Apr 28 19:57:14 cs5535_mfd Apr 28 19:57:14 nls_base Apr 28 19:57:14 mfd_core Apr 28 19:57:14 snd_page_alloc Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.190692] Process memtester (pid: 1160, threadinfo=98000000bf4b0000, task=98000000bf5b4920, tls=000000002ae64ae0) Apr 28 19:57:14 [ 1399.191453] Stack : Apr 28 19:57:14 ffffffffb73e39bc Apr 28 19:57:14 ffffffff806ba58c Apr 28 19:57:14 98000000bf4b3a30 Apr 28 19:57:14 98000000bf4b3a88 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.191959] Apr 28 19:57:14 98000000bfc27218 Apr 28 19:57:14 0000000000000002 Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.192585] Apr 28 19:57:14 ffffffffb73e399c Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 0000000000000001 Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.193203] Apr 28 19:57:14 0000000000045138 Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 ffffffff8064bb90 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.193935] Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 98000000bfc14700 Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 0000000000000000 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.194558] Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 ffffffff806497d4 Apr 28 19:57:14 98000000bfc14700 Apr 28 19:57:14 98000000bfc14700 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.195176] Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 98000000bfbd3658 Apr 28 19:57:14 0000000000000020 Apr 28 19:57:14 98000000bfd04b28 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.195795] Apr 28 19:57:14 98000000bfc14700 Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 98000000bfbd3658 Apr 28 19:57:14 ffffffff806be5b4 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.196416] Apr 28 19:57:14 98000000bb16cb00 Apr 28 19:57:14 98000000bf086c00 Apr 28 19:57:14 0000000000000020 Apr 28 19:57:14 98000000bfd07b00 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.197034] Apr 28 19:57:14 98000000bfd04b00 Apr 28 19:57:14 98000000bfc14700 Apr 28 19:57:14 98000000bfc14d28 Apr 28 19:57:14 98000000bf4b3c10 Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.197651] Apr 28 19:57:14 ... Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.198042] Call Trace: Apr 28 19:57:14 [ 1399.198292] [<ffffffff8020b8f0>] emulate_load_store_insn+0x370/0x490 Apr 28 19:57:14 [ 1399.198751] [<ffffffff8020bae4>] do_ade+0xd4/0x180 Apr 28 19:57:14 [ 1399.199121] [<ffffffff80204480>] ret_from_exception+0x0/0x1c Apr 28 19:57:14 [ 1399.199545] [<ffffffff804fb534>] timerqueue_add+0x44/0xf0 Apr 28 19:57:14 [ 1399.199955] [<ffffffff80271f90>] __run_hrtimer+0x130/0x2b0 Apr 28 19:57:14 [ 1399.200363] [<ffffffff802723a4>] hrtimer_interrupt+0xe4/0x238 Apr 28 19:57:14 [ 1399.200785] [<ffffffff8020bf68>] c0_compare_interrupt+0x40/0x90 Apr 28 19:57:14 [ 1399.201218] [<ffffffff802adbe8>] handle_IRQ_event+0x80/0x240 Apr 28 19:57:14 [ 1399.201636] [<ffffffff802b0d30>] handle_percpu_irq+0x68/0xf0 Apr 28 19:57:14 [ 1399.202051] [<ffffffff80206318>] do_IRQ+0x38/0x48 Apr 28 19:57:14 [ 1399.202415] [<ffffffff8020449c>] ret_from_irq+0x0/0x4 Apr 28 19:57:14 [ 1399.202789] Apr 28 19:57:14 [ 1399.202978] Apr 28 19:57:14 [ 1399.202981] Code: Apr 28 19:57:14 00431024 Apr 28 19:57:14 1440ff57 Apr 28 19:57:14 00200825 Apr 28 19:57:14 a330007> Apr 28 19:57:14 6e330000 Apr 28 19:57:14 24110000 Apr 28 19:57:14 1620ff90 Apr 28 19:57:14 00200825 Apr 28 19:57:14 08082daa Apr 28 19:57:14 Apr 28 19:57:14 [ 1399.204195] Disabling lock debugging due to kernel taint Apr 28 19:57:14 [ 1399.204599] Kernel panic - not syncing: Fatal exception in interrupt -- With respect, Roman
signature.asc
Description: PGP signature
