Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-23 Thread Dmitry Semyonov
Hello Ben, Thank you for uploading the fixed version. The following is mostly for you information. (I.e. I do not expect you to do any additional investigation. Neither am I going to spend more time on this.) On 20 April 2014 22:34, Dmitry Semyonov wrote: On 20 April 2014 18:05, Ben Hutchings

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-23 Thread Ben Hutchings
On Wed, 2014-04-23 at 18:14 +0400, Dmitry Semyonov wrote: Hello Ben, Thank you for uploading the fixed version. The following is mostly for you information. (I.e. I do not expect you to do any additional investigation. Neither am I going to spend more time on this.) On 20 April 2014

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-20 Thread Dmitry Semyonov
On 19 April 2014 17:48, Ben Hutchings wrote: Does this patch fix it? Thanks! It fixes the crash but wlan0 has to be brought down, and up again to make it work after initial bring up attempt: sudo ifup wlan0=h [ 90.191647] rtl8192c_common: Loading firmware file rtlwifi/rtl8192cfw.bin [

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-20 Thread Ben Hutchings
On Sun, 2014-04-20 at 11:41 +0400, Dmitry Semyonov wrote: On 19 April 2014 17:48, Ben Hutchings wrote: Does this patch fix it? Thanks! It fixes the crash but wlan0 has to be brought down, and up again to make it work after initial bring up attempt: [...] I assume this is a regression,

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-20 Thread Dmitry Semyonov
On 20 April 2014 18:05, Ben Hutchings wrote: On Sun, 2014-04-20 at 11:41 +0400, Dmitry Semyonov wrote: Thanks! It fixes the crash but wlan0 has to be brought down, and up again to make it work after initial bring up attempt: [...] I assume this is a regression, i.e. this problem did not

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-19 Thread Ben Hutchings
Control: tag -1 patch moreinfo On Fri, 2014-04-18 at 14:28 +0400, Dmitry Semyonov wrote: Package: src:linux Version: 3.2.57-1 Severity: important Dear Maintainer, At least 3.2.57-1 and 3.2.57-2 Debian kernels from stable-proposed-updates archive crash after issuing sudo ifup wlan0=h

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-18 Thread Dmitry Semyonov
Package: src:linux Version: 3.2.57-1 Severity: important Dear Maintainer, At least 3.2.57-1 and 3.2.57-2 Debian kernels from stable-proposed-updates archive crash after issuing sudo ifup wlan0=h command. (netconsole output will be provided in a separate e-mail.) Previous stable kernels worked

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-18 Thread Dmitry Semyonov
Kernel log of the crash is attached. -- ...Bye..Dmitry. [ 1833.611397] BUG: unable to handle kernel NULL pointer dereference at 0010 [ 1833.611455] IP: [a0410c6a] rtl92ce_update_hal_rate_tbl+0x29/0x4db [rtl8192ce] [ 1833.611530] PGD 3e8da6067 PUD 4048ac067 PMD 0 [

Bug#745137: linux-image-3.2.0-4-amd64: Crash when trying to enable RTL8188CE-based WiFi interface on Lenovo ThinkPad W520

2014-04-18 Thread Dmitry Semyonov
Previous stable kernels worked fine on the same laptop but I have not tried to downgrade the kernel to double-check whether current stable version continues to work now. WiFi could be enabled w/o problems after downgrading linux-image-3.2.0-4-amd64 from 3.2.57-2 (proposed-updates) to 3.2.54-2