Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-23 Thread Ritesh Raj Sarraf
On Tue, 2018-10-23 at 14:54 +0200, Bernhard Übelacker wrote: > Hello Ritesh Raj Sarraf, > > Am 23.10.2018 um 06:22 schrieb Ritesh Raj Sarraf: > > Are you in a position to try the patch > > out and confirm if it really mitigates the problem ? > > I have built a package with this patch applied yest

Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-23 Thread Bernhard Übelacker
Hello Ritesh Raj Sarraf, Am 23.10.2018 um 06:22 schrieb Ritesh Raj Sarraf: > Are you in a position to try the patch > out and confirm if it really mitigates the problem ? I have built a package with this patch applied yesterday, and it did not crash anymore in my test VM. Kind regards, Bernhard

Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-22 Thread Ritesh Raj Sarraf
Hello Bernhard, On Mon, 2018-10-22 at 20:45 +0200, Bernhard Übelacker wrote: > > This looks like it got fixed upstream in patch [1]. > At least a version 0.7.7-3 built with this patch does not crash like > before. Thanks for looking into this bug. I'm glad you were able to reproduce it in your s

Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-22 Thread Bernhard Übelacker
Hello Axel, Am 21.10.2018 um 23:10 schrieb Axel Beckert: > The system is about 2.5 years old. ... > (I'd say this counts as a yes.) Ok, will not do wild guesses next time ;-) I think I were able to reproduce the issue in a buster amd64 qemu-VM, by forwarding a real usb card reader with inserte

Bug#909926: multipath-tools: multipath segfaults regularily

2018-10-22 Thread Axel Beckert
Control: severity -1 important Hi Ritesh, Ritesh Raj Sarraf wrote: > Well if it is not something critical in your path, you may want to > consider lowering the severity of this bug report. And I haven't > encountered the bug (yet) myself nor have I had any reports. Granted. Done.

Bug#909926: multipath-tools: multipath segfaults regularily

2018-10-22 Thread Ritesh Raj Sarraf
Hello Axel, On Mon, 2018-10-22 at 17:10 +0200, Axel Beckert wrote: > > I haven't really attempted at reproducing the bug using the odd > > setup > > you have described. > > Not sure what you consider odd with that setup. All my multi-card > card-readers appear as /dev/sd with one letter for each

Bug#909926: multipath-tools: multipath segfaults regularily

2018-10-22 Thread Axel Beckert
Hi Ritesh, Ritesh Raj Sarraf wrote: > On Sun, 2018-09-30 at 04:01 +0200, Axel Beckert wrote: > > What I did: > > > > * Remove an SD card from the SD card reader (/dev/sdg), add a MicroSD > > card into the MicroSD reader (/dev/sdi). > > > > * Then ran "fdisk -l /dev/sd?" as root. > > > > At th

Bug#909926: multipath-tools: multipath segfaults regularily

2018-10-22 Thread Ritesh Raj Sarraf
Hello, On Sun, 2018-09-30 at 04:01 +0200, Axel Beckert wrote: > What I did: > > * Remove an SD card from the SD card reader (/dev/sdg), add a MicroSD > card into the MicroSD reader (/dev/sdi). > > * Then ran "fdisk -l /dev/sd?" as root. > > At that point the above messages appeared in /var/lo

Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-21 Thread Axel Beckert
Hi Bernhard, Bernhard Übelacker wrote: > what CPU is inside the machine producing this cores? → grep model /proc/cpuinfo model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model : 94 model name : Intel(R) Core(TM) i7-6700T CPU @ 2.80GHz model

Bug#909926: multipath-tools: multipath segfaults regularily (Bug #909926)

2018-10-21 Thread Bernhard Übelacker
Hello Axel, what CPU is inside the machine producing this cores? Could you please check if your CPU supports avx2 instructions. If an internet search tells me right this line should show "avx2" for each core if yes: grep -o 'avx[^ ]*' /proc/cpuinfo Kind regards, Bernhard

Bug#909926: multipath-tools: multipath segfaults regularily

2018-09-29 Thread Axel Beckert
Package: multipath-tools Version: 0.7.7-1 Severity: grave Hi, I just saw the following messages in syslog: Sep 30 03:41:31 c6 kernel: [7106334.839766] sdg: detected capacity change from 31914983424 to 0 Sep 30 03:41:31 c6 kernel: [7106334.847669] multipath[7270] segfault at 100 ip 7f4eadd