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i have some problem with AR9285 at slackware 13.1 (2.6.33.4): wireless network unstable : packet drops about 5-7%.
signal strengh - over 90%.
q-ty of wireless client - 1.
but opensuse 11.4 (2.6.37.1) at this hardware works good : 0% packet loss.
another wireless adapter at slackware works good too (i tested Linksys compact wireless-G USB adapter).
i have some problem with AR9285 at slackware 13.1 (2.6.33.4): wireless network unstable : packet drops about 5-7%.
signal strengh - over 90%.
q-ty of wireless client - 1.
but opensuse 11.4 (2.6.37.1) at this hardware works good : 0% packet loss.
This is one of the known regressions in 2.6.38.x compared with 2.6.37.x and earlier:
And here (when the site comes back up) is a list of regressions that started with 2.6.38, many of which are still problems with no solution in the kernel yet:
And here (when the site comes back up) is a list of regressions that started with 2.6.38, many of which are still problems with no solution in the kernel yet:
wow! i can't believe! Patrick personally! i'm happy to "see" you!
so, about problem...
upgrading slackware thru slackpkg did not help : system does not boot 'cos module error. again.
i'll try to install "clean" 13.37, which are released last days and test one more time.
but! i have notice one strange thing : when i make a voice call (with Ekiga, SIP), packet drops are dissapear!
like "at active state" adapter work as expected!
so, i think that problem may be in some adapter "standby" state (?) or kernel handling ath9k driver (?)
and one more time, opensuse 11.4 (2.6.37.1-desktop) don't have this problem.
so, i've install brand new 13.37
and i'm very disappointed.
btw, hardware is Lenovo C200 monoblock
1) system won't boot while hdd is on AHCI mode. it's load only with IDE-compatible mode.
while AHCI mode system crash with kernel messages about ahci...
2) during boot i've seen very frequent message about "hda-intel spurious response 0x0:0x0, last cmd=0x0f0000"
and don't need to say that there are no sound. alsamixer shown only onboard USB 2.0 UVC Camera.
3) there are no one network interfaces. only loopback.
but, for example, module for wireless adapter seems to be loaded :
# lsmod | grep ath
ath9k 73302 0
mac80211 181473 1 ath9k
ath9k_common 1497 1 ath9k
...
so, i've install brand new 13.37
and i'm very disappointed.
btw, hardware is Lenovo C200 monoblock
this is a Lenovo C200 monoblock hardware problem
using kernel parameter "pci=nocrs" i've an some like normal system : appear's network adapters, sound, etc
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