[Kernel-packages] [Bug 1909518] Re: bcache register_bdev() error cannot allocate memory
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909518 Title: bcache register_bdev() error cannot allocate memory Status in linux package in Ubuntu: Expired Bug description: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/ The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. It might related to back device type. it was tested on "Lenov SR665 Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X 375GB U.2 NVMe SSD". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1909518] Re: bcache register_bdev() error cannot allocate memory
For the 4K sectors, the max limits should be 8T then. (1024G*4096/512) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909518 Title: bcache register_bdev() error cannot allocate memory Status in linux package in Ubuntu: Incomplete Bug description: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/ The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. It might related to back device type. it was tested on "Lenov SR665 Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X 375GB U.2 NVMe SSD". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1909518] Re: bcache register_bdev() error cannot allocate memory
The command example to change 512 sector to 4K for “Intel P4510 4.0TB U.2 NVMe SSD” ubuntu@prdhci01a:~$ sudo nvme id-ns /dev/nvme1 -n 1 -H |grep "LBA Format" [3:0] : 0 Current LBA Format Selected LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0x2 Good (in use) LBA Format 1 : Metadata Size: 0 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best ubuntu@prdhci01a:~$ sudo nvme format /dev/nvme1 -n 1 -l 1 Success formatting namespace:1 ubuntu@prdhci01a:~$ sudo nvme id-ns /dev/nvme1 -n 1 -H |grep "LBA Format" [3:0] : 0x1 Current LBA Format Selected LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0x2 Good LBA Format 1 : Metadata Size: 0 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best (in use) ubuntu@prdhci01a:~$ ' -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909518 Title: bcache register_bdev() error cannot allocate memory Status in linux package in Ubuntu: Incomplete Bug description: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/ The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. It might related to back device type. it was tested on "Lenov SR665 Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X 375GB U.2 NVMe SSD". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1909518] Re: bcache register_bdev() error cannot allocate memory
This max 1024G size applies to the 512byte sector, most NVME ssd can change ( LBA format ) to 4K and the max limits will be 16T than. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909518 Title: bcache register_bdev() error cannot allocate memory Status in linux package in Ubuntu: Incomplete Bug description: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/ The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. It might related to back device type. it was tested on "Lenov SR665 Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X 375GB U.2 NVMe SSD". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1909518] Re: bcache register_bdev() error cannot allocate memory
Also, 18.04 ga-kernel worked fine too. ** Description changed: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com /~kernel-ppa/mainline/v5.9.16/ - The similar bug reports are + The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. - It might related to back device type. We tested on "Lenov SR665 Server" - and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X - 375GB U.2 NVMe SSD". + It might related to back device type. it was tested on "Lenov SR665 + Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are + "Intel P4800X 375GB U.2 NVMe SSD". -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1909518 Title: bcache register_bdev() error cannot allocate memory Status in linux package in Ubuntu: Incomplete Bug description: On 20.04(focal) ga-kernel and 18.04 (hwe-kernel). To make.bcache would fail as below if the back devices are large than 1024G ( 1025 would fail, but not 1024 ). [ 727.756453] bcache: register_bdev() error nvme12n1: cannot allocate memory [ 727.756456] bcache: register_bcache() error : failed to register device [ 727.756471] bcache: bcache_device_free() bcache device (NULL gendisk) stopped There are fix in 5.9 kernel and it can work after install 5.9 kernel on 20.04. The 5.9 kernel are download it from: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9.16/ The similar bug report can be found at https://bugzilla.redhat.com/show_bug.cgi?id=1783075. It might related to back device type. it was tested on "Lenov SR665 Server" and "Intel P4510 4.0TB U.2 NVMe SSD", the caching disk are "Intel P4800X 375GB U.2 NVMe SSD". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909518/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
