Hi all,
I'm running debian/testing on a Travelmate 525txv.
When downloading large files, the prismGT (prism54) cardbus card "freezes" (and sometime hangs the system).
What works:
- system boots fine with the card plugged;
- when I plug [unplug] the card, hotplug brings up [remove] the interface (as expected);
- browsing the lan/Internet;
- UPLOADING files of ANY size;
- downloading of "small" files;
What doesn't work: - downloading of big file (>3Mb) (buffer-to-disk problem?)
Tried with many combination of - kernels (2.4.27, 2.6.8, 2.6.10) - firmware version (isl3890 v1.0.3.0 and v1.0.4.3) - driver settings (txpower, channels, key on/off) ...they all shows the same behaviour.
Mepis3.3 and Knoppix3.7 don't work either.
If I unplug the card, the frozen system resumes working.
Follows a kernel log I saw once, when the system freezed:
May 9 00:27:12 localhost kernel: [__report_bad_irq+42/160] __report_bad_irq+0x2a/0xa0
May 9 00:27:12 localhost kernel: [handle_IRQ_event+48/112] handle_IRQ_event+0x30/0x70
May 9 00:27:12 localhost kernel: [note_interrupt+112/176] note_interrupt+0x70/0xb0
May 9 00:27:12 localhost kernel: [__do_IRQ+296/320] __do_IRQ+0x128/0x140
May 9 00:27:12 localhost kernel: [do_IRQ+25/48] do_IRQ+0x19/0x30
May 9 00:27:12 localhost kernel: [common_interrupt+26/32] common_interrupt+0x1a/0x20
May 9 00:27:12 localhost kernel: [__do_softirq+46/144] __do_softirq+0x2e/0x90
May 9 00:27:12 localhost kernel: [do_softirq+39/48] do_softirq+0x27/0x30
May 9 00:27:12 localhost kernel: [irq_exit+53/64] irq_exit+0x35/0x40
May 9 00:27:12 localhost kernel: [do_IRQ+30/48] do_IRQ+0x1e/0x30
May 9 00:27:12 localhost kernel: [common_interrupt+26/32] common_interrupt+0x1a/0x20
May 9 00:27:12 localhost kernel: [pg0+273215471/1069863936] unix_poll+0x2f/0xa0 [unix]
May 9 00:27:12 localhost kernel: [tty_poll+137/192] tty_poll+0x89/0xc0
May 9 00:27:12 localhost kernel: [sock_poll+41/64] sock_poll+0x29/0x40
May 9 00:27:12 localhost kernel: [do_select+607/720] do_select+0x25f/0x2d0
May 9 00:27:12 localhost kernel: [__pollwait+0/208] __pollwait+0x0/0xd0
May 9 00:27:12 localhost kernel: [sys_select+731/1264] sys_select+0x2db/0x4f0
May 9 00:27:12 localhost kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Interesting. You at least get something in the log.
I have na zcom xg-300 card, which also uses the prism54. My experience is, that during big downloads, the transfer stalled for cca. 30 seconds. First I suspected the card, but the logs were empty and it came back to life by itself. Then I noticed, that the failing part was my AP - Linksys WRT54G.
With not enough time on my hands and the AP being in different place than me at the moment, I have not investigated this issue further.
Things I'm planning to check out. * upgrade the firmware in the AP * try the newest drivers for the card, from prism54.org * use a htb shaper to limit the data flow through the card.
I'm open to suggestions from the list :)
j.
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