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SubjectLinux 2.6 amd64 nVidia problem
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Hi,

I have router (with squid proxy and QOS) on amd athlon64 3000+,
Giga-Byte K8NSC-939 mainboard (nVidia nForce3 250) and 2GB of RAM 400MHz
in dual channel, but it's very unstable. I was trying 2.6.11.12,
2.6.12-rc2 and 2.6.12.2, all with pom-ng and IMQ patches. In kernel.log
i have:

Jul 4 20:48:46 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 20:48:46 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 20:48:46 router kernel: <4>warning: many lost ticks.
Jul 4 20:48:46 router kernel: Your time source seems to be instable or
some driver is hogging interupts
Jul 4 20:48:46 router kernel: rip release_console_sem+0x3e/0xb0
Jul 4 20:48:46 router kernel: <ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 20:48:46 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 20:48:46 router kernel:
Jul 4 20:48:46 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 20:48:46 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 20:48:46 router kernel:
<ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 20:48:46 router kernel: scheduling while atomic: swapper/0x00000100/0

[...]
Jul 4 22:20:45 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 22:20:45 router kernel:
Jul 4 22:20:45 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 22:20:45 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 22:20:45 router kernel:
<ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 22:20:45 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 22:20:45 router kernel:
Jul 4 22:20:45 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 22:20:45 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 22:20:45 router kernel:
<ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 22:20:45 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 22:20:45 router kernel:
Jul 4 22:20:45 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 22:20:45 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 22:20:45 router kernel:
<ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 22:20:45 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 22:20:45 router kernel:
Jul 4 22:20:45 router kernel: Call
Trace:<ffffffff8034953a>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 4 22:20:45 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b280e>{start_kernel+350}
Jul 4 22:20:45 router kernel:
<ffffffff804b226a>{x86_64_start_kernel+362}
Jul 4 22:20:45 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 4 22:20:45 router kernel:

When acpi=off I don't have problem with timer (Your time source seems to
be instable or some driver is hogging interupts), but router in still
hanging after ~8h work. in kernel.log I have:

Jul 6 20:02:30 router kernel:
Jul 6 20:02:30 router kernel: Call
Trace:<ffffffff803527ba>{schedule+122} <ffffffff8015b668>{vfs_read+232}
Jul 6 20:02:30 router kernel: <ffffffff8015b913>{sys_read+83}
<ffffffff8010dc05>{retint_careful+13}
Jul 6 20:02:30 router kernel:
Jul 6 20:02:30 router kernel: scheduling while atomic:
bash/0x00000100/22524
Jul 6 20:02:30 router kernel:
Jul 6 20:02:30 router kernel: Call
Trace:<ffffffff803527ba>{schedule+122}
<ffffffff8012214e>{release_console_sem+62}
Jul 6 20:02:30 router kernel: <ffffffff8012204c>{vprintk+476}
<ffffffff80353565>{schedule_timeout+37}
Jul 6 20:02:30 router kernel: <ffffffff8029d2c0>{con_write+32}
<ffffffff80292d5d>{read_chan+877}
Jul 6 20:02:30 router kernel:
<ffffffff8011e510>{default_wake_function+0}
<ffffffff8011e510>{default_wake_function+0}
Jul 6 20:02:30 router kernel:
<ffffffff8011e510>{default_wake_function+0} <ffffffff8028de3c>{tty_read+156}
Jul 6 20:02:30 router kernel: <ffffffff8015b63f>{vfs_read+191}
<ffffffff8015b913>{sys_read+83}
Jul 6 20:02:30 router kernel: <ffffffff8010d5ea>{system_call+126}
Jul 6 20:02:30 router kernel: scheduling while atomic:
bash/0x00000100/22524
Jul 6 20:02:30 router kernel:
Jul 6 20:02:30 router kernel: Call
Trace:<ffffffff803527ba>{schedule+122}
<ffffffff8012214e>{release_console_sem+62}
Jul 6 20:02:30 router kernel: <ffffffff8012204c>{vprintk+476}
<ffffffff80353565>{schedule_timeout+37}
Jul 6 20:02:30 router kernel: <ffffffff8029d2c0>{con_write+32}
<ffffffff80292d5d>{read_chan+877}
Jul 6 20:02:30 router kernel:
<ffffffff8011e510>{default_wake_function+0}
<ffffffff8011e510>{default_wake_function+0}
Jul 6 20:02:30 router kernel:
<ffffffff8011e510>{default_wake_function+0} <ffffffff8028de3c>{tty_read+156}
Jul 6 20:02:30 router kernel: <ffffffff8015b63f>{vfs_read+191}
<ffffffff8015b913>{sys_read+83}
Jul 6 20:02:30 router kernel: <ffffffff8010d5ea>{system_call+126}
Jul 6 20:02:30 router kernel: scheduling while atomic: swapper/0x00000100/0
Jul 6 20:02:30 router kernel:
Jul 6 20:02:30 router kernel: Call
Trace:<ffffffff803527ba>{schedule+122} <ffffffff8010b820>{default_idle+0}
Jul 6 20:02:30 router kernel: <ffffffff8010b972>{cpu_idle+82}
<ffffffff804b480e>{start_kernel+350}
Jul 6 20:02:30 router kernel:
<ffffffff804b423f>{x86_64_start_kernel+319}
Jul 6 20:02:30 router kernel: scheduling while atomic:
bash/0x00000100/22524

I don't know where is the problem,
thanks for any help
Daniel Kubiak
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